8. Which of the following shows an example of extinction?

A: Two species of caterpillars compete for the same food
B: Two species of caterpillars breed to create a new species
C: A generation of caterpillars all metamorphosize into butterflies
D: An entire species of caterpillar dies off

Answers

Answer 1

Answer: D

Explanation: hope this helps


Related Questions

A one-eyed purple people eater is crossed with a two
eyed purple people eater. All of their offspring have two
eyes. Which trait is dominant?

Answers

Answer:

The two eyed

Explanation:

there are 12% cytosines in a DNA molecule , what percentage of thymines

Answers

Answer:

To calculate the percentage of thymine we need to use Chargaff's rule:

Chargaff's rules state that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine

A+G=T+C

A=T

C=G

100%-(2x12)=2T

T=(100%-24%)/2

T=38%

Which of the following is a measure of the biodiversity of an ecosystem?

Answers

Where is the rest of the question?

Two of the following statements are false. Circle the letter and fix the statement to make it true.

a. Enzymes are NOT used up by a chemical reaction

b. Enzymes help to speed up chemical reactions

c. Enzymes are made up of proteins

d. Enzymes are needed for a chemical reaction to occur

Answers

Answer:

All options about the enzymes are true

Can someone paraphrase this for me? It needs to be like 2-3 sentences (Please don't answer the things just paraphrase them together! 10 points)!

explain that every organism requires a set of instructions that specifies its traits
explain the difference between dominant and recessive traits or alleles
recognize phenotype as the physical expression of the genotype
recognize genotype as the collective sum of all alleles and their specifying traits
analyze animals to demonstrate evidence of the hereditary information that is passed from one generation to another

Answers

Answer:

explain that each organism needs a group of directions that specifies its traits

explain the distinction between dominant and recessive traits or alleles

recognize constitution because the physical expression of the genotype

recognize genotype because the collective add of all alleles and their specifying traits

analyze animals to demonstrate proof of the hereditary data that's passed from one generation to a different

Of the phenomena that correlate with the data above, the one that is the most direct consequence of the trend in air travel is the increase in the spread of infectious diseases the increase in the spread of infectious diseases A the increase in urban sprawl the increase in urban sprawl B the decrease in biodiversity the decrease in biodiversity C the increase in hypoxic aquatic ecosystems the increase in hypoxic aquatic ecosystems D the decrease in the total fertility rate of developed nations

Answers

Answer: the increase in the spread of infections diseases

Explanation:

got it right

The increase in the spread of infectious diseases are the most direct consequence of the trend in air travel. So, the correct option is A.

What are Infectious diseases?

Infectious diseases are defined as disorders that are caused by organisms such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies which are generally harmless or even helpful but some organisms can cause disease. Some infectious diseases can spread from person to person.

Infectious diseases can be viral, bacterial, parasitic or fungal infections a rare group of infectious diseases known as transmissible spongiform encephalopathy (TSE). The increase in the spread of infectious diseases are the most direct consequence of the trend in air travel.

Therefore, the correct option is A.

Learn more about Infectious diseases, here:

https://brainly.com/question/11478894

#SPJ6

Your question is incomplete, most probably the complete question is:

Of the phenomena that correlate with the data above, the one that is the most direct consequence of the trend in air travel?

A. the increase in the spread of infectious diseases

B. The increase in urban sprawl

C. the decrease in biodiversity  

D. the increase in hypoxic aquatic ecosystems  

E. the decrease in the total fertility rate of developed nations

Dendritic cells process antigens by

detection.

engulfment.

immunity.

inflammation.

Answers

Answer:

Dendritic cells are the most efficient antigen-presenting cells. They take up antigens and pathogens, generate MHC-peptide complexes, migrate from the sites of antigen acquisition to secondary lymphoid organs and, finally, they physically interact with and stimulate T lymphocytes. So it would most likely be inflammation.

Explanation:

Answer: Engulfment.

Explanation:

Which of the following best describes why estuaries are important resources? A. They are the world's richest sources of precious metals. B. They are among the most productive types of ecosystems. C. They prevent weathering of rock from slopes and cliffs. D. They help stabilize the global climate.

Answers

Answer:

B. They are among the most productive types of ecosystems.

Explanation:

The estuaries provide migratory birds a place to rest. for example.

Answer:

B

Explanation:

Got it right on the test thingy

Which step is a part of the dark (light-independent) reactions?
O ATP molecules are produced.
O Solar energy is absorbed by chloroplasts.
O Oxygen is released when water molecules are split.
O Carbon dioxide is used to form simple sugars.

Answers

Answer:

O ATP molecules are produced.

Explanation:

The answer is ATP molecules being produced, this happens in light and dark.

All of the other options are either directly related to light/photosynthesis or are needed to complete it.

Which of the following is a function of the nucleus?

Answers

Answer:

Nucleus controls and regulates the activity of cell eg: growth, metabolism and carries the gene(structure that contain the heriditary information). nuclolie are small bodies often seen within the nucleus.

Explanation:

The current genetic code evolved Please choose the correct answer from the following choices, and then select the submit answer button. Answer choices before the common ancestor of all extant life. after the common ancestor of all extant life but before eukaryotes split from the other domains of life. after eukaryotes split from other domains of life but before the split of multicellular animals and multicellular plants. after the split of multicellular animals and multicellular plants but before the common ancestor of chordates. after the common ancestor of chordates.

Answers

Answer:

before the common ancestor of all extant life.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

Heredity refers to the transfer of traits (specific characteristics) from the parent of a living organism to her offspring through sexual reproduction or asexual production. Some examples of hereditary traits are dimples, tongue rolling, baldness, handedness, freckles, curly hair, color blindness, height, etc.

Basically, deoxyribonucleic acid (DNA) is an organic complex-molecular structure found in all living organisms. It comprises of genes and is essentially the foundation block of all living organisms such as humans, animals and plants.

The current genetic code evolved before the common ancestor of all extant life i.e that are still in existence or alive.

PLEASE WRITE IN OWN WORDS, HELP!

Answers

Answer:

Evolution means change in the physical features of an organism.

Explanation:

Evolution means change in the physical features of an organism. Evolution occurs in the population of an organisms due to various factors such as mutation, non-random mating and natural selection. Nonrandom mating occurs when an organism prefer mating with particular superior organisms or with the similar organism. Mutation in the genetic makeup of an organism is also responsible evolution. this mutation occurs when an organism experience ultraviolet radiation from the sun, or also occur if an error in DNA during cell division. Gene flow is also known as gene migration is the transfer of genetic material or traits from one population to another when the organism is migrated to another environment. Some organisms are selected naturally because they have the potential to survive in that environment so they survive and that doesn't adopt itself to the environment, it will extinct from the environment.

What are new stars that are found in the spiral arms and formed from recycled dead star material known as?

population II stars

red dwarf stars

population I stars

brown dwarf stars

Answers

Answer:

population I stars.

Explanation:

A star is a giant astronomical or celestial object that is comprised of a luminous sphere of plasma, binded together by its own gravitational force.

It is typically made up of two (2) main hot gas, Hydrogen (H) and Helium (He).

The luminosity of a star can be defined as the total amount of light radiated by the star per second and it is measured in watts (w). Also, the apparent brightness of a star is a measure of the rate at which radiated energy from a star reaches an observer on Earth per square meter per second. The apparent brightness of a star is typically measured in watts per square meter.

Some of the examples of stars are; Canopus, Sun (closest to the Earth), Betelgeus, Antares, Vega etc.

New stars that are found in the spiral arms and formed from recycled dead star material are known as population I stars. Also, it comprises of association and clusters formed a million or billion years ago in the spiral arms of Milky Way galaxy.

A galaxy can be defined as a collection or group of many billions of stars and other planetary body which are existing independently.

Answer: population l stars

Explanation:

how does inorganic compounds affect us as humans?​

Answers

Answer:

Oxygen is required by all cells for cellular metabolism and circulating blood must be well oxygenated for maintenance of life. Carbon dioxide is a waste product of cells and must be eliminated or a serious change in pH can occur, known as acidosis.

Explanation: brainlist?

1. How is the property of compressibility of gases used in everyday life? Give an example.

Answers

Answer:

Compressibility is reducing the volume by increasing the pressure of a substance like liquid or gas. It is a physical characteristic of a substance especially gases.

Everyday life examples:

(1) LPG - These gas cylinders have compressed natural gas to liquid gas to store and use as fuels.

(2) Tubes of bicycles are filled by the pumps that compress the air.

(3) Carbonated soda filled with the help of compressing the carbon dioxide into the bottle.

4) oxygen bottles in medical institutes for helping the patient to breathe.

Which one is it ill give brainliest

Answers

Answer:

D

Explanation:

Sharks protect producers (sea grasses)
by
acting as abiotic limiting factors
allowing populations of sea grass consumers
(organisms that eat sea grass) to grow
uncontrollably
keeping the populations of sea-grass.
consumers in check (controlled)

Answers

Answer:

bacteria and soil.

Explanation:

basically

If half the K-40 of a rock has
decayed into Ar-40, how old is
the rock?

Answers

Answer:

20

Explanation:

40:2=20

What happens to a population if the birth rates and death rates are equal?
population density increases.

population size decreases

population size stays the same

population dispersion shifts from random to clumped

Answers

Answer:

Population size decreases

High levels and long periods of stress can increase a person's risk for many diseases
True
False​

Answers

Answer:

This is true many people can get many diseases from stress.

Answer:

True, go on this for your assessment  I commented on ur other post too, https://quizlet.com/341036936/chapter-11-lesson-3-flash-cards/

Explanation:

please help:((((((((((((((((

Answers

Answer:

a Lil something you can do to help you out with

Answer:

the chlorophyll

Explanation:

1. Encontramos dos factores que influyen en los seres vivos como las bacterias y la cianoficeas. Es el llado factor: a. Biotico b. Abiotico c. Ecosistema d. Mutualismo

Answers

Answer:

una. Biótico b. Abiótico

Explicación:

Dos factores que influyen mucho en los seres vivos, como las bacterias y las cianofitas, son los factores bióticos y abióticos. Los factores bióticos se refieren a factores vivos del medio ambiente, como animales, plantas, hongos, bacterias y protistas, mientras que los factores abióticos se refieren a factores no vivos como el agua, el suelo, el aire, la luz solar, la temperatura y los minerales. Estos factores tienen un gran efecto en la supervivencia de estos dos organismos.

In the jar shown, a sample of various sediment was mixed with water and then mixed with water and then allowed to settle for 24 hours. The jar served as a model for what process

Answers

Answer:

Process of sedimentation.

Explanation:

The jar shows us the model of sedimentation process because all the sediments settles down in the jar due to heavy weight. The sediment can't combine chemically with water and these sediments are heavier so due to gravity they comes down and settles down at bottom of the jar, this settlement of sediments in the jar is known as the process of sedimentation.

When is energy production the highest?

Answers

Answer:

Answer:Fossil fuels are the largest sources of energy for electricity generation. Natural gas was the largest source—about 38%—of U.S. electricity generation in 2019.

Answer:Fossil fuels are the largest sources of energy for electricity generation. Natural gas was the largest source—about 38%—of U.S. electricity generation in 2019.Explanation:

Answer:Fossil fuels are the largest sources of energy for electricity generation. Natural gas was the largest source—about 38%—of U.S. electricity generation in 2019.Explanation:The United States uses many different energy sources and technologies to generate electricity. The sources and technologies have changed over time, and some are used more than others. The three major categories of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources. Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy. Other major electricity generation technologies include gas turbines, hydro turbines, wind turbines, and solar photovoltaics.

of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources. Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy. Other major electricity generation technologies include gas turbines, hydro turbines, wind turbines, and solar photovoltaics.Fossil fuels are the largest sources of energy for electricity generation

Natural gas was the largest source—about 38%—of U.S. electricity generation in 2019. Natural gas is used in steam turbines and gas turbines to generate electricity.

Natural gas was the largest source—about 38%—of U.S. electricity generation in 2019. Natural gas is used in steam turbines and gas turbines to generate electricity.Coal was the second-largest energy source for U.S. electricity generation in 2019—about 23%. Nearly all coal-fired power plants use steam turbines. A few coal-fired power plants convert coal to gas for use in a gas turbine to generate electricity.

Natural gas was the largest source—about 38%—of U.S. electricity generation in 2019. Natural gas is used in steam turbines and gas turbines to generate electricity.Coal was the second-largest energy source for U.S. electricity generation in 2019—about 23%. Nearly all coal-fired power plants use steam turbines. A few coal-fired power plants convert coal to gas for use in a gas turbine to generate electricity.Petroleum was the source of less than 1% of U.S. electricity generation in 2019. Residual fuel oil and petroleum coke are used in steam turbines. Distillate—or diesel—fuel oil is used in diesel-engine generators. Residual fuel oil and distillates can also be burned in gas turbines.

9 facts about the atmosphere

Answers


Interesting Atmosphere Facts:

The atmosphere is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon.

Contaminants in the atmosphere can include smoke, toxic gasses, dust, ash from volcanoes, and salt.

Roughly 80% of the weight of the atmosphere is located in the troposphere, which is the layer closest to the earth.

The troposphere reaches approximately 12km from the earth's surface and is the thinnest layer.

The stratosphere reaches 50km from the earth's surface.

Answer:

#1. Earth Has Had Three Atmospheres.

#2. Oxygen Caused the First Major Extinction

#3. The Sky Should Be Violet

#4. The Atmosphere Extends 6,200 Miles into Space

#5. It Protects Us from Meteors

#6. There are five layers within the atmosphere

#7. The atmosphere surrounds the planet, protecting it by absorbing the ultraviolet radiation from the sun, and regulating the temperature extremes that would otherwise occur between day and night.

#8. The troposphere lies closest to the Earth and is about 11 miles thick

#9. Blood Boils After 60,000 Feet into the atmoshpere

// Please help !!!!!!!!!!

Answers

Answer: Caterpillars and Meadow voles

10)
What is the global weather phenomenon characterized by unusually cold ocean temperatures in the Equatorial Pacific?
A)
La Niño
B)
El Niña
C
La Niña
El Niño

Answers

the answer is el niño

Which statement BEST describes the relationship between MPF and the cell cycle?

Answers

Answer:

Cyclin blinds with an enzyme to produce MPF cyclin and as its concentration rises, it promotes mitosis.

HELP PLSS!! ILL MARK BRANLIEST!! BE SURE OF YOUR ANSWER
Ocean floor rock samples show that the age of the rock ______ the further the rock is from the mid-ocean ridge.


a. Remains the same

b. Gets older

c. Gets younger

Answers

Answer:

Gets older is your correct answer.

Hope it helps!!!

Answer:

I'm pretty positive the answer is C

Within a population of rabbits, black fur (B) is dominant over white fur (b). A scientist observes 16% white rabbits on an island. The dominant allele frequency of this population is

Answers

Answer:

Explanation:

According to hardyweinberg principle

p+q= 1

P2+2pq+q2=1

given that

Black fur =B =p(dominant allele)

White fur =b =q (recessive allele)

q2=16%

16/100=0.16

q=√0.16

q=0.4

Since p+q=1

P=1-q

P=1-0.4

P=0.6

Therefore the allele frequency for dominant organism Black fur is 0.6

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