when birds migrate in to or out of a defined population and mate with birds from another population the existing pool of genes may be altered migration can increase or decrease gene frequencies in population resulting in...

Answers

Answer 1

Answer: These genes will mix and the population will increase.

Explanation:

This is beside the point though, this will make both groups of birds join forces. resulting in overpopulation.

Answer 2
Evolution is defined as genetic changes in a population over multiple generations. A(n) ____ does not evolve because allele do not change; however, a(n) ____ can evolve because allele frequencies can change

Related Questions

Please help me with this brainless to whoever answers all three

Answers

1. A

2. i think B but i’m not sure

3. C

I hope this helps ! :)

divergent plate boundaries can form chains of underwater mountains, called mid-ocean ridges. Explain how the formation of these ridges occurs.
Your answer should include at least two complete sentences.
Be sure to check your grammar and spelling.

Answers

!

Mid-ocean ridges occur along divergent plate boundaries, where new ocean floor is created as the Earth's tectonic plates spread apart. As the plates separate, molten rock rises to the seafloor, producing enormous volcanic eruptions of basalt.


ℎ ℎ ❣︎
A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.

How much energy is available at the tertiary level? The producer level is 1325 J.
a. 132.5 J
b. 1325 J
c. 13.25 J
d. 1.325 J

Answers

Answer:

Explanation:

producer

C)13.25
The energy available within the tertiary consumer will be 10 joules of energy

science, need help ASAP

Answers

Answer:

1.A

2.I

3.E

4.H

5.C

6.J

7.B

8.D

9.G

10.F

Explanation:

I believe that's the order it goes wasn't sure about 2 & 6 but I hope this helps :D

^ that is the correct order for it .

Which of the following are effects of environmental change on populations? speciation and a decrease in resources loss of habitat and impacts on growth and development a decrease in resources and loss of habitat speciation and extinction

Answers

Answer: A decrease in resources and loss of habitat

Explanation:

Glad to help :) brainliest

Answer:

he literlitly meant c

Explanation:

(5-7 Sentences for Each Answer) NO LINKS

1. How is the idea of genetic modification helpful or beneficial to society?

2. Are there any drawbacks to genetically modifying a human being?

Answers

GM is a technology that involves inserting DNA into the genome of an organism. To produce a GM plant, new DNA is transferred into plant cells. Usually, the cells are then grown in tissue culture where they develop into plants. The seeds produced by these plants will inherit the new DNA

What protects plants from threats that could potentially kill the plant?
PLZ HELP
A: Roots
B: Xylem and phloem
C: Waxy coating on top of leaves
D: Structures for defense

Answers

B. Xylem and phloem

Answer:

B

Explanation:

Joey had two toy cars. One car had a spring which he wound up before the car would move the other car did not have a spring, but it needed a battery to work.

How are the two cars different

Answers

Answer:

the first answer i think

Explanation:

I think it the first one too

please help me i needs help

Answers

Answer:

d

Explanation:

Expert help: The diagram shows the life cycle of a dragonfly. The adult stage occurs out of the water, and the fertilized egg and nymph stages occur in water. Which two effects might drought have on the life cycle of a dragonfly?

A. Extra-large nymphs from overeating

B. Fewer surviving nymphs, because of dried-out eggs

C. A population explosion from too many nymphs

D. A lack of food for developing nymphs

Answers

B cause when there is a drought that means there are no water around, so that means that some of the eggs will dry out.

Help me NEOWW :) ty bestie hehe

Answers

1. Tissue
2.cells
3.organs
4.organ system
1. Tissue
2. Cells
3. Organs
4. Organ system

If an ecological pyramid showed these organisms, the level that would retain the most energy from the Sun is Blank.

The level that would retain the least energy from the Sun is Blank.


Hawk
Snake
Mongoose
Lizard
Grasshopper
Cricket
Green plant

Answers

Answer: it is useful to draw the energy transfer diagram to find the answers

Green plant-->Grasshopper-->Cricket-->lizard-->snake-->mongoose-->hawk

Therefore the answer is a hawk

Ava had a pet goldfish, and she loved feeding it and watching it swim around in its bowl. After four months, she noticed that her fish hadn't grown much, so she looked up information about caring for goldfish. She learned that unless she made changes, her goldfish would remain small.

Look at the picture, and choose the correct words to finish the sentences.


The image shows an example of a(n) ______ affecting her fish's growth. Other conditions that could affect animal growth include ______.

Word Bank: life cycle | internal environmental factor | genes | hormones | external environmental factor | metamorphosis​

Answers

Answer:

The image shows an example of a(n) internal environmental factor affecting her fish's growth. Other conditions that could affect animal growth include genes and hormones.

Explanation:

tdlr-  internal environmental factor, genes, hormones

The image shows an example of an external environment affecting her fish's growth. Other conditions that could affect animal growth include internal environment.

What is environment?

An organism's or an ecological community's environment is the collection of physical, chemical, and biological variables that affect it and ultimately decide its form and survival.

Everything in our environment affects us. Whether they are living or not is up to you. It consists of natural forces such as chemical and physical ones.

Environments are where living things exist. They are continually interacting with it and modifying their behavior to fit the circumstances.

Clean air and water, rich land for growing food, as well as energy and material inputs for production, are all provided by good natural surroundings.

The picture demonstrates how an outside environment can effect a fish's growth. Internal environment is another factor that might influence an animal's growth.

Thus, this can be the complete scenario for the gold fish.

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In January, the temperature in the southern part of Florida dropped below freezing several nights in a row. One fruit grower commented that climate was really bad for the orange crop this year. Why was his comment incorrect?


Climate refers to precipitation instead of temperature so the climate did not change.

Cold weather can sometimes occur even in a warm climate such as southern Florida.

It would have to be cold for many nights in a row to indicate that the climate had changed.

The climate in Florida does not ever change so it is only the weather that can be bad for the crop.

Answers

He was talking about weather, not climate. The climate is still fine, but for a short time, that weather was not good for the oranges. I believe the answer is the last one
C !! climate is different from weather. Weather can be described as a day to day fluctuation in temperature, precipitation levels, etc. , while climate is an overall assessment of a region’s average temperature, humidity, precipitation, winds, etc. over a long period of time

Which side has a higher concentration



blood


cell


They are the same concentration

Answers

Cell is highly concentrated compared to blood
The cells are more highly concentrated than blood

can yall help me with these question, please it's only 10 question

Answers

Answer:

a,b,c,d,a,b,c

Explanation:

Answer:

A, C, C, A, D, C, C, D, B

Explanation:

True or false: the more biodiversity there is in an ecosystem, the more sustainable the ecosystem is.

Answers

Answer:

True

Explanation:

Biodiversity boosts ecosystem productivity where each species, no matter how small, has an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all forms of life.

True: their alot of animals

why is it important to understand the relationship amoung organisms in an ecosystem

Answers

Relationships Between Organisms:


Species interact every day. That interaction is a vital part of how organisms develop and change over time. When you study species, it is important to watch the way they interact with their surroundings.
All organisms in an ecosystem are connected in one way or another. In fact, populations of different species generally interact in a complex web of relationships. Relationships between species in communities are important factors in natural selection and help shape the evolution of the interacting species.

Describe the similarities you observe between the major stages in the life cycles of flowering plants and non-flowering, seed-bearing plants

Help me please

Answers

The main difference between flowering and nonflowering plants is their method of reproduction. Flowering plants rely on pollination for reproduction, where as nonflowering plants rely on dispersion to continue their life cycle.

Hope this helps !!!

The primary mode of reproduction that separates flowering plants from non-flowering plants. While non-flowering plants need on dispersion to continue their life cycle, flowering plants depend on pollination for reproduction.

What is flowering plants and non-flowering plants?

Seeds that are protected by a flower or fruit are used by flowering plants to reproduce.

Conifers, ferns, and mosses are examples of non-flowering plants. Conifers produce seeds in cones to reproduce. Spores are used in fern and moss reproduction.

The reproductive organs of plants, called flowers, transport both male and female gametes.

These flowers bear fruits once fertilised. Non-flowering plants are ones that reproduce by spores but don't produce flowers.

Plants differ in appearance, but they always share three characteristics: they are multicellular; they can produce their own food; and they are green.

Thus, these are some similarities between the major stages in the life cycles of flowering plants and non-flowering, seed-bearing plants.

For more details regarding plants, visit:

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What is the difference between the theory of continental drift and the theory of plate tectonics?

Your answer should include at least three complete sentences.
Be sure to check your grammar and spelling.

Answers

The theory of continental drift suggests that all the land masses on earth were once part of one supercontinent. Plate tectonics is the ability to measure the movement of land masses.

Plants typically absorb carbon dioxide and give off oxygen during the day. However at night this tends to be the opposite and plants will absorb oxygen and give off carbon dioxide.
Please expalin:
A) What are the names of 2 processes are happening in plants that cause this
B) when each process happens
C) why each process happens when it does
(this is science)

Answers

Answer:

It happens because of the process of respiration in which plants take in oxygen and give out carbon dioxide. As soon as the sun rises another process called photosynthesis starts, in which carbon dioxide is taken in and oxygen is given out

Explanation:

process: respiration, and photosynthesis

when: as soon as sun rises

why: Plants and animals, in turn, convert the food compounds by combining it with oxygen to release energy for growth and other life activities

The breeding of animals is necessary to produce
(4) _____. Humans have bred animals and plants for
years through the process of (5) _____ in order to
hand-select traits needed in the livestock or produce.
In nature, it is not quite so simple. Charles Darwin was
a naturalist that proposed the idea of (6)____. When
visiting the Galapagos islands, he discovered there was
great (7)_____ between the tortoises on different
islands. The different tortoises had had specific
(8) _____ to survive on the islands that
they were found on.

Fill in the blanks
There is no more information this is all they gave me

Answers

The theory of evolution states the change in the traits to adapt and survive the altered conditions. Offsprings, artificial selection, natural selection, diversity and adaptation are the correct blanks.

What is natural and artificial selection?

Animals or the species of the organism breed and reproduce to produce offspring or the progenies that continues the lineage of the specific species.

Artificial selection is the process of choosing the animals that have better characteristics over another and is done by humans. It is done in order to select the genetically variable species.

Charles Darwin gave the theory of evolution based on the mechanism of natural selection that states that nature chooses the fit and animals with better traits and qualities that can adapt to the change and continue to reproduce.

During his voyage of the Galapagos island, Darwin discovered the diversity of the bird and tortoise species of the same kind but with different attributes at different places. The species adapted differently with respect to the environmental conditions for survival.

Therefore, the correct order of the blanks is 4. offsprings, 5. artificial selection, 6. natural selection, 7. diversity and 8. adaptation.

Learn more about evolution and selection here:

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Which best describes the differences? (PLEASE ANSWER ASAP!! I WILL AWARD BRAINLIEST) (image below)

1. The cactuses in 1970 had smaller spines than the cactuses in 2015.

2. The cactuses in 1970 had larger spines than the cactuses in 2015.

3. There were more cactuses in 1970 than there were in 2015.

4. There was more variation in spine size in 1970 than there was in 2015.

Answers

Answer: 3. There were more cactuses in 1970 than there were in 2015.

Explanation: The 2015 chart presents the exact x-axis domains as of 1970. The only difference is in the y-axis ranges, where there is a more significant number of cacti in 1970 than in 2015.

PLEASE HELP Match these items.
1. isostasy
trench
2. deepest ocean depths
fjord
3. drowned glaciated valley
plate tectonics
4. theory of crustal structure
subduction
5. oceanic plate going down
buoyancy

Answers

Answer:

oceanic plate going down: subduction

theory of crustal structure: plate tectonics

fjord: drowned glaciated valley

isostasy: buoyancy

deepest ocean depths: trench

1. Isostasy- buoyancy
2. deepest ocean depths- trench
3. drowned glaciated valley- fjord
4. theory of crustal structure- plate tectonics
5. oceanic plate going down- subduction

While gardening. omer accidently damages the stem of a plant in his garden what plant process has omer directly affect
A) Photosynthesis
B)reproduction
C)transpiration
D)transportation of water and food and nutrients
*i need this fast please*

Answers

the answer is D

this is because the stem is how the
nutrients gets to the roots
Its letter D
Hope this helps!

help pls thx will give brainlyest

Answers

I’m working on the same thing :(

How do you think DNA, Chromosome and Genes relate to one another?

NO GOO-GLE ANSWERS

Answers

Answer:  We all need them so we don't end up like asexual beings CLONES.

Explanation:

Answer:

They are all related because they are all the things that are used to make a person. You need all of them to help determine how everything is about a person.

Explanation:

I honestly hoped this help I learned this last year so I am sorry if its wrong

EXPERT HELP: EXPLAIN THE ANSWER

Answers

Answer:

There are three stages of the dragonfly life cycle, the egg, the nymph, and the adult dragonfly. Most of the life cycle of a dragonfly is lived out in the nymph stage

Life as an Aquatic Larva

Incomplete metamorphosis consists of the egg, the larva (nymph) and the adult. After the egg hatches, the free-crawling aquatic larva molts once and then starts hunting voraciously. As the larva grows, it will molt numerous times. Most dragonfly larvae mature to adulthood in one to three years. so maybe *(c.)

People claim these rock formations in the Sahara Desert look like a mushroom and a chicken. They were not sculpted by humans. What do you think caused them to be shaped this way?

Answers

mainly because of erosion by the wind, which geographers call abrasion. When the wind blows in some hot deserts it will pick up millions of grains of sand. When the wind hits an outcrop of rock the sand it is carrying is blasted against it. Over time it would form to become that funky mushroom shape.
hope this helped! :))

The process is known as erosion and it leads to the creation of a large number of shales and sizes of structures such as a pedestrian or mushroom-shaped rocks that have a wide top and a narrow base.

The rocks were re-sculpted as per the wind direction and intensity. Due to the action of wind the and is carried and is known as the abrasion process. The grains of sand are used as tools to polish the surface of the rocks.

Learn more about the rock formations in the Sahara Desert.

brainly.com/question/22288970.

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