Darwin's finches evolved on an island. What is the main reason that islands often provide good examples of evolution?

Answers

Answer 1

Answer:

They allow for automatic biogeographic isolation


Related Questions

How do bogs keep themselves cool

Answers

Answer: Like humans, dogs need to keep themselves cool to protect their bodies. They do sweat, but not in the same way. They only have sweat glands only on the paw pads and nose leather. Since they are covered with fur, it is more challenging to keep their bodies cool.

After your dog runs around, you will notice that he begins to pant heavily. Dogs rely on panting to keep their bodies cool. Panting causes the evaporation of water from the nasal cavity, tongue, throat and lungs, which helps lower their body temperature.

They also experience the same dilation in blood vessels as humans, which brings blood to the surface of the skin, allowing the air in the environment to cool them.

Any dog is at risk for heat-related problems, especially in warm, humid weather. Our brachycephalic friends are at a much greater risk than their long-nosed counterparts. Large breeds with thick coats, such as Bernese Mountain dogs or Pyrenees are also more prone. Dogs with pre-existing heart conditions or respiratory issues are also more likely to be overcome by the heat.

When these dogs pant to try and cool themselves, they have to work harder to do so. This only raises their body temperature even higher, making it worse instead of better.

What are 3 inventions that came as a direct result of space exploration?

Answers

Answer:

NASA has addressed a lot of issues in space exploration through their inventions such as water filters, charge-coupled devices, lifeshears, scratch-resistant eyeglass lenses, cochlear implants, anti-corrosion coating and memory foam.

Explanation:

The vestibulocerebellum helps regulate _________; the spinocerebellum helps regulate _________ and the cerebrocerebellum helps regulate __________.

Answers

The vestibulocerebellum helps regulate balance and eye movement. Moreover, the spinocerebellum helps regulate body and limb movement and the cerebrocerebellum helps regulate in planning movements.

The vestibulocerebellum is a region of the cerebellum which involved in balance and body position in space.

The spinocerebellum is involved in controlling lateral descending systems in order to regulate distal limb muscles.

The cerebrocerebellum is involved in motor planning by connecting the motor and premotor cortices.

Learn more about the cerebellum here:

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Need help with this biology pedigree question.

Answers

Check the comment under this

Lab: Energy Absorption/Reflection
Student Guide and Lab Instructions
In this laboratory exercise, you will design an experiment to test the ability of certain materials to absorb or reflect
sunlight.
Lesson Objectives
• Design an experiment to test your prediction.
• Explain how air temperature, air pressure, air density, and Earth's rotation interact to produce air circulations locally and globally.
• Explain how the absorption or reflection of sunlight may affect natural settings.
• Predict that different materials will absorb or reflect sunlight.
• Describe the consequences of the heat energy that is taken up by the atmosphere and what the atmosphere does with it.
• Explain how heat energy is transferred from the sun to Earth and the atmosphere.
PREPARE
Approximate lesson time is 60 minutes.
Materials
For the Student
• Laboratory Guidelines
Keywords and Pronunciation
specific heat: the energy, in calories, required to raise the temperature of one gram of a substance one degree
Celsius
LEARN
Activity 1: Energy Absorption/Reflection 1 (Online)
Activity 2: Energy Absorption/Reflection (Online)
Instructions
Introduction
Follow the Procedure below. As you complete the lab, take notes about the lab so you can participate in the discussion. In this laboratory exercise, you will design an experiment to test how different materials reflect or absorb light.
Procedure
Part 1: Formulate a Hypothesis
1. Keep these questions in mind as you develop your hypothesis:

• Do some colors absorb more light than others?
• Do some materials absorb or reflect more light than others?
• How could you indirectly measure the amount of sunlight absorbed by an object?
2. Write a hypothesis, in if...then format.
Part 2: Design an Experiment
3. Design an experiment that tests the absorption and reflection of different materials.
4. Create a list of materials and a procedure to test your hypothesis.
5. Record your idea in your lab report for discussion. Note that you do not need to perform the experiment.
When you have finished, you will discuss with your classmates through a threaded discussion board. Print the Grading Rubric for the Threaded Discussion Board Activity and review the contents. Your teacher will use this rubric to grade your participation in this discussion.
ASSESS
Discussion: Energy Absorption/Reflection 1 (Online)
Read the discussion prompt and carefully write your response. Remember:
What you type here is public. A good rule of thumb is to only post things here that you would be
comfortable communicating in person.
Responses should be well written (use a spell-checker) and clearly address the issue being discussed. You
may wish to write your response in a word processing program, and then copy and paste it into the topic
response box.
Your teacher will review postings regularly. Any postings containing foul language or inappropriate topics
will be removed, and the posting student will be referred to the administration. If you are in doubt about
whether something is appropriate to post, either ask your teacher first, or just don’t post it.
Review the Grading Rubric for Discussion Board Activity. Your teacher will use this rubric to grade your
participation in this discussion. Be sure to contact your teacher if you have any questions.

Answers

Answer:

        Sit inside the car and drive down the mountains. The car will be able to run down from the road by the force of the gravity.

          But if you drive up to the hill, if the car had less force you may need to put the car.

         So, when you drive the car up to the hill, the car need/use more force or energy.

Explanation:

Like this picture.

>-<

the process of diffusion occur when?

Answers

Answer:

Diffusion occurs in a type of cell transport called passive transport.

This type of cell transport doesn't use any energy. It goes from a high to low concentration gradient.

What happens during a penumbral lunar eclipse?

Answers

Answer: A penumbral lunar eclipse occurs when the Sun, Earth, and the Moon are imperfectly aligned.

Explanation: During this occurance the Earth comes between the Sun and moon and blocks the sunlight from falling on the moon.

Which types of organisms developed first due to the early
environmental conditions on Earth?
A. prokaryotic and aerobic
B. prokaryotic and anaerobic
C. eukaryotic and aerobic
D. eukaryotic and anaerobic

Answers

The answer is prokaryotic and anaerobic

A soil sample is 25 percent sand, 55 percent clay, and 20 percent silt. Use the following soil texture triangle to determine the type of soil present in this sample.

Clay
Silty loam
Sandy clay
Sandy clay loam

Answers

Answer:

Clay

Explanation:

Answer:

a: sample containing 30 percent sand, 35 percent clay, and 35 percent silt

Explanation:

How does myelin increase the speed of the action potential?

Answers

It insulates the axon and assembles specialized molecular structure at the nodes of Ranvier. In unmyelinated axons, the action potential travels continuously along the axons.

For example, in unmyelinated C fibers that conduct pain or temperature (0.4–1.2 μm in diameter), conduction velocity along the axon is 0.5–2.0 m/s (as fast as you walk or jog).

I hope this helps have a great day :)

- Psychology PLS HELP-

Tom's directive and confrontive therapist challenges Tom's belief that he is worthless because he is not the
world's greatest Superhero. Tom's therapist is most likely:

A. an eclectic therapist

B. a psychoanalyst like Sigmund Freud

C. a cognitive therapist like Aaron Beck

D. a humanistic therapist like Carl Rogers

E. a humanistic, client-centered therapist

Answers

Tom's therapist is most likely an eclectic therapist.

What is eclectic therapy?

Eclectic therapy is a method that draws on orientation and many theoretical approaches. It is a flexible and multi-faceted treatment that allows the therapist to use the most effective methods available to address the needs of each client.

What is an example of eclectic therapy?

An example of an eclectic program is where children spend part of each day experiencing a variety of treatments, such as formal teaching using behavioral analytical techniques (ABA), sensory stimulation (brushing and flipping), down-to-earth routines, and music sessions, and free play with regular peers.

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19. Which type of weathering is responsible for the green patina that forms on the copper skin of the Statue of Liberty

1.chemical
2.physical
3.dissolution
4.carbonization

Answers

Oxidization which is a type of CHEMICAL WEATHERING

Chemical weathering is mostly caused by water and the many chemical substances that are contained in it, copper skin of the Statue of Liberty is due to Chemical weathering, hence option 1 is correct.

What is Chemical weathering?

One of the minerals that form rocks the most frequently chemically combines with water and other water-soluble substances to make clay.

Many weak acids, including carbonic acid, are present in water. Water, oxygen, and acids are the principal weathering agents in chemical reactions.

These interact with rocks on the surface to create new minerals that are stable in or in balance with the climatic and chemical conditions at the surface of the planet.

Therefore, the copper skin of the Statue of Liberty is due to Chemical weathering.

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help with number 12 please

Answers

Answer:

i don't know lol i can't really se it becise is like i don't know

Why is it important to know where the San Andreas fault is

Answers

Answer:

so you dont die

Explanation:

Its a important part on knowing earthquakes and how they are caused.

GIVING BRAINLY
Which characteristic do animals with an endoskeleton have that animals with
an exoskeleton lack?
A. A skeleton outside their body
B. A skeleton inside their body
C. The ability to get heat from the environment
D. The ability to produce most of the heat they need

Answers

Answer:

A.

Explanation:

Cause endo skeleton is on the inside

The answer is B because endoskeletons are external bones


Define the term variation as it relates to living organisms.

Answers

In biology, variation refers to any difference between cells, individuals, or groups of organisms of any species caused by genetic differences (genotypic variation) or the effect of environmental conditions on the manifestation of genetic potentials (phenotypic variation).

All changes saved
1. Using the image below, describe in at least 2 paragraphs, what is happening with the arrows. Name and explain the processes and the changing forms
of Carbon. To conclude, predict what the numbers might represent.
Global Carbon Cycle
Sol Respiration
Welconces
Atmosphere
750
58
11200
Mont
Respiration
Burning
Fossil
Fuels
Deforestation
fond Lond Vio
Change
1.1
Ocean
Loss
59
190
Ocean
Uploke
7.7
192
Plants
560
-
Literfall
59
Soils
Rivers
Fossil Fuels
1,500
02
5,000 -10,000
Earth's Crust
100,000,000
0.01
Boriolo Sediments
Surface Ocean 725
Intermediate and
Deep Ocean 37,275 Po
Legend
U-10-15
.
.
SAVE & EXIT
SUBMIT ALL ANSWERS

Answers

Answer:

Carbon is the backbone of life on Earth. We are made of carbon, we eat carbon, and our civilizations—our economies, our homes, our means of transport—are built on carbon. We need carbon, but that need is also entwined with one of the most serious problems facing us today: global climate change.

Photograph of a forest.

Photograph of a coal fire.

Carbon is both the foundation of all life on Earth, and the source of the majority of energy consumed by human civilization. [Photographs ©2007 MorBCN (top) and ©2009 sarahluv (lower).]

Forged in the heart of aging stars, carbon is the fourth most abundant element in the Universe. Most of Earth’s carbon—about 65,500 billion metric tons—is stored in rocks. The rest is in the ocean, atmosphere, plants, soil, and fossil fuels.

Carbon flows between each reservoir in an exchange called the carbon cycle, which has slow and fast components. Any change in the cycle that shifts carbon out of one reservoir puts more carbon in the other reservoirs. Changes that put carbon gases into the atmosphere result in warmer temperatures on Earth.

Draft diagram of the carbon cycle.

This diagram of the fast carbon cycle shows the movement of carbon between land, atmosphere, and oceans. Yellow numbers are natural fluxes, and red are human contributions in gigatons of carbon per year. White numbers indicate stored carbon. (Diagram adapted from U.S. DOE, Biological and Environmental Research Information System.)

Over the long term, the carbon cycle seems to maintain a balance that prevents all of Earth’s carbon from entering the atmosphere (as is the case on Venus) or from being stored entirely in rocks. This balance helps keep Earth’s temperature relatively stable, like a thermostat.

This thermostat works over a few hundred thousand years, as part of the slow carbon cycle. This means that for shorter time periods—tens to a hundred thousand years—the temperature of Earth can vary. And, in fact, Earth swings between ice ages and warmer interglacial periods on these time scales. Parts of the carbon cycle may even amplify these short-term temperature changes.

Graph of oxygen isotope ratios in the deep ocean for the past 67 million years.

The global carbon cycle model describes the evolution of carbon mass in the mantle (Cm), the combined reservoir of ocean and atmosphere (Co+a), the continental crust (Cc), the ocean crust and floor (Cf), the kerogen (Cker), and the biosphere (Cbio).

What are the steps of carbon cycle?

Carbon on the dynamic planet can move from one of these realms to another as part of the carbon cycle.

Carbon is transferred from the atmosphere to plants.Carbon is transferred from plants to animals.Carbon is transferred from plants and animals to soils.Carbon is transferred from living things to the atmosphere.When fossil fuels are burned, carbon is released into the atmosphere.Carbon is transferred from the atmosphere to the oceans.

Thus, above-mentioned are the steps involved in a carbon cycle.

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The graph below shows the number of viable bald eagle nests along a
25-mile long section of the Mississippi River between Wisconsin and
Minnesota. IF EACH BALD EAGLE NEST ACCOUNTED FOR A BREEDING
PAIR, what is the probable carrying capacity of this environment? *

Answers

The carrying capacity of this environment is 225 from the graph shown.

An ecosystem is a self supporting unit in which materials and energy are exchanged. The carrying capacity of an ecosystem refers to the maximum number of species that the ecosystem can effectively sustain without breaking down.

From the graph, we can see that the population of species continues to increase until the number reaches 225. This is the carrying capacity of this environment.

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cellular respiration
.
help with chart

Answers

The arrows mean that it belongs in that box and in the box where the caption is in.

Meaning that you should write the same answer in both boxes.

Imagine that head shape is controlled by a maternal effect gene. The dominant h allele produces a oval-shaped head, while the recessive h allele produces a square-shaped head. Imagine that a woman has an oval-shaped head. Her father has the h h genotype. What proportion of head phenotypes do you expect to see in her children

Answers

The woman’s genotype is Hh because her father has the genotype hh. If the woman has children with a person who’s genotype is HH, you see 100% oval heads, you’d have genotype HH and Hh. If the woman has children with a person who is Hh, you expect 75% oval heads and 25% square heads with the genotypes HH, Hh, and hh. If she has children with some who is hh, you’d expect 50% oval, 50%square with genotype Hh and hh. To solve, use punnet squares!

Describe how acid rain would react with rocks overtime.

Answers

Answer:

When acidic rainwater falls on limestone or chalk, a chemical reaction happens. New, soluble, substances are formed in the reaction. These dissolve in the water, and then are washed away, weathering the rock.

Explanation:

its true your welcome

Which weevil is closely related to the oak weevil

Answers

Your chair 90000 nappy

HELP PLEASEEEEEEEEEEEEE

Answers

Answer:

steroids: catabolic

cellular respiration: catabolic

lipid breakdown: catabolic

photosynthesis: anabolic

Explanation:

Catabolic you could say is when something breaks down, "consumed, used". When its anabolic its being formed, example: photosynthesis to create energy.

Hope that helps

please help :(
Which of the following defines a cash crop?


any crop grown to be sold for direct sale

any crop grown to be sold to other growers

any crop grown to be sold as a raw material

any crop grown to be sold on the commodities market

Answers

Answer:

Any crop grown to be sold for Direct sale

A cash crop or profit crop is an agricultural crop which is grown to sell for profit. ... The term is used to differentiate marketed crops from subsistence crops, which are those fed to the producer's own livestock or grown as food for the producer's family.

Hope this helps you!!

Select all that apply. Hair infections are generally
caused by
bacteria.
fungi.
viruses.
ODO
cancer.
lice.
DONE

Answers

Answer: A. Bacteria, B. Fungi, E. Lice.

Explanation:

16. Use the graph to answer the questions.
a. What is the slope of the line?
b. What does it mean in the context of this graph?

Answers

Answer:

a) 1/2

b) It is gradually rising

Explanation:

a) To find the slope you do rise/run from the points given and in this case you go up one and over 2, therefore 1/2

Ian experience pain in his leg after a fall he goes to the doctor after an exam the doctor explain to Ian that he has
injured a piece of tissue that connects his leg muscle to bone. What piece of tissue is the doctor describing?
cartilage
joint

Answers

Answer:

Tendon

Explanation:

It’s not cartilage because cartilage is connective tissue in between joints, and a joint is a place between bones that allows movement. Tendons connect muscles to bones.

How do i write a good hypothesis

Answers

Answer:

use "if...then...because"

Explanation:

a good way to write a hypothesis is using "if, then, because" statements because it fully explains your idea. you also need to make sure that your hypothesis is testable and realistic.

example/

Jimothy is testing if jazz music effects bee honey production. he writes this statement:

If jazz is played near a bee hive while producing honey, then the bees will produce more honey because the smooth music will raise their dopamine levels so that they become happier and therefore faster and more productive.

Answer:

I will write some tips in my explanation!

Explanation:

After formulating wh questions, it's time to form a hypothesis or an educated guess, but how do we do this?

First, you must gather the knowledge you already know; ad back it up with something that has happened like a study, article, etc

Example: It is a known fact that distilled water does not contain impurities, in fact, many distilled water companies boast about their water being clean and safe.

This will be the base of your hypothesis, and from here, just add the knowledge of which you know that can make up a well supported hypothesis, which you will then test.

Example:

It is a known fact that distilled water does not contain impurities, in fact, many distilled water companies boast about their water being clean and safe. Because distilled water is free of impurities, we can say that it cannot conduct electricity, but if we add salt to distilled water, the water will then be able to conduct electricity because...

That's my tips! If you are satisfied, please give a thanks or rate it! :D have a nice day

1. What do we call the study of the earth and its structure?

Answers

Geology !

Explanation: (if needed)

The studies of Earth’s physical structure and substance, its history and the processes that act on it. People who work in this field are known as geologists. Planetary geology is the science of studying the same things about other planets. It includes the study of organisms that have inhabited our planet. An important part of geology is the study of how Earth's materials, structures, processes, and organisms have changed over time. Geology involves methods and knowledge from biology, chemistry, physics, and mathematics.

Answer:

This study is called geology

Explanation:

Geology is a branch of Earth science concerned with both the liquid and solid Earth, the rocks of which it is composed, and the processes by which they change over time. Geology can also include the study of the solid features of any terrestrial planet or natural satellite such as Mars or the Moon.

PLEASE HELP ME WILL MARK BRAINLIEST LIKE GIVE ME THE REAL ANSWER
Which of the following distinguishes how options differ from futures In commodities markets?


Options are used to speculate against good pricing.


Options cannot be applied beyond a set volume of a good.


Options involve prices for goods set at the current time.


Options do not involve a requirement for a good to be purchased.

Answers

Answer:

I believe it is C I am not 100% though sorry if its wrong

Options and futures contracts are both derivatives, created mostly for hedging purposes. The key difference between them is that futures obligate each party to buy or sell, while options give the holder the right (not the obligation) to buy or sell.

Other Questions
How can a man go eight days without sleep? 1. Why did some Americans want the United States to getinvolved in the war? agriculture in Ethiopia The lowest range of dissolved oxygen levels which will support a diverse population of organisms is: The lowest range of dissolved oxygen levels which will support a diverse population of organisms is:A. 2-3 ppmB. 4-5 ppmC. 6-7 ppmD. 8-9 ppm Justin has ridden 34 miles of a bike course. The course is 40 miles long. What percentage of the course has Justin ridden so far? Which speaking strategy allows the speaker to help listeners to compare new information with something that they are already familiar with? A. MetaphorB.AnalogyC.Vivid LanguageD. Visual Aids Aaden has a points card for a movie theater. He receives 20 rewards points just for signing up. He earns 2.5 points for each visit to the movie theater. He needs 40 points for a free movie ticket.aWrite and solve an equation which can be used to determine x, the number ofvisits Aaden must make to earn a free movie ticket. Whats the awnser ? 1. A mosque is a *school for childrentype of restaurantMuslim place of worshipJewish place of worship2. Islam is a polytheistic religion. *TrueFalse3. What are at least three of the five pillars of Islam that all observant Muslims must perform? *.4. Islam accepts both the Jewish Torah and the Christian Bible, but extends the story with the Quran. *TrueFalse5. Which were rights given to women in the Quran? Select all that apply. *the right to reject marriage proposalsthe right to inheritencouraged educationequal inheritance with men6. Dedicated by Muhammad, the __________ is the most holy place in Islam. *Vatican7. During the Golden Age of Islam, the Islamic religion made many contributions to society in the areas of: (select all that apply) *Captionless Imageastronomymedicinematharchitectureart8. What is at least one similarity and one difference between the Sunnis and Shiites? *.9. Shah Abbas the Great was a Safavid ruler who *a. centralized the governmentb. decreased military powerc. reduced taxes on farmers and herdersall of the abovea. and c. only10. Why was the fall of Constantinople in 1453 significant? Respond in at least 3-5 sentences. *Captionless Image.11. In the Ottoman social hierarchy, occupations that were called men of the pen included: (select all that apply) *poetslawyerssoldiersscientists12. By A.D. 200, trade between Africa and Asia increased with the introduction of the ____________. *airplane13. As the Bantu-speakers migrated into southern Africa, they spread their skills in: *farming, ironworking, and domesticating animals.fishing, hunting, and ironworking.architecture, electrical work, and farming.fishing, architecture, and hunting.14. The ________teaches about what Muslims believe to be God's will and provides a guide to life. *Torah15. What were some of the cultures that traded in Axum? *EgyptianIndianGreekAll of the aboveNone of the above16. In many West African villages, women were respected for their wisdom and skills in many areas. In a few societies, women served as ________, rulers, or in other government jobs. *lawyers17. In West Africa, the role of the griot was to *choose the next rulerrecite ancient storiesplant the first seed of the first crop of the seasonperform medical procedures When thinking about genetic engineering in agriculture, which type of issue has the most direct consequences? economical issues political issues social issues environmental issues Jenna walks 12 miles in 5 days. Alex walks 15 miles in 6 days. Who walks more miles per day? Show your work to prove your answer. Discuss the reasons why natives opposed the US government. Help me:) please and thanks No files or links please!graph y= -4/3 x+2 using the slope and y-intercept What is this in terms of joules? Solve for x. 4 1/2 1.2x x 3 3/4 x3 3/4 x5 2/5 x5 2/5 what are organization tools? How was the U.S. Constitution changed to protect people's rights?A.The U.S. Supreme Court added the Bill of Rights.B.The U.S. Congress voted to add the Bill of Rights.C.The Bill of Rights was added by the president.D.The Bill of Rights was added as a group of amendments. which of the following is covered by health codes Please answer this ASAP LINKS WILL BE BANNED !!!Solve for p.P+3=p-4/2A: p= -74B: p= 74C: p= 10D: p= -10 You believe that studying hard leads to good grades, yet you can't help but watch an episode of your favorite show. This inconsistency is an example of: