A species of moth lived in a forest with a mixture of dark- and light-colored trees. The coloring of these moths is inherited. The dark moths were hidden from predators on the dark trees, and the light moths were hidden on the light trees.



When the light-colored trees were killed by a disease, the forest was suddenly made up almost entirely of dark trees. Generations later, almost all the moths had the dark coloring. Which of the following gives a correct explanation?

Answers

Answer 1

Answer: The light moths that survived did not mate and have offspring because they thought that their offspring would easily be seen and eaten by predators.

The light moths that survived had dark offspring because the change in the environment caused the parents to decide to have offspring that would do better in the changed environment.

The light moths saw that the dark moths were less likely to be eaten by predators, so they made themselves dark as well.

The dark moths were better hidden from predators, so more of them survived. Because dark parents outnumbered light parents, there were many more dark offspring than light offspring in the next generation.

Explanation:


Related Questions

What the answer pls science

Answers

Answer:

B

Explanation:

for someone to choke it means the person lacks oxygen in the sense that its oxygen path has been blocked so its B

_____are commonly called producers



Answers

Answer:

Autotrophs

Explination: They are called this because they use the energy and simple inorganic compounds to produce organic molecules.

Migrating fibroblasts can be treated with various chemical agents while they are migrating. Explain what you expect for each of the following conditions.
a. The cells are injected with large amounts of purified gelsolin, and the live cells are observed periodically.
b. The cells are treated with latrunculin A, the drug is washed out, and the live cells are observed periodically.
c. The cells are treated with a chemical fixative and prepared for electron microscopy. Their actin filaments are decorated with myosin S1 subfragments, and you examine in which direction the arrowhead-shaped decorations are pointing in the filopodia of the fixed cells.

Answers

Answer:

c

Explanation:

Which of the following statements correctly describes the relationship between erosion and deposition?

A.
Erosion breaks rocks into pieces, and deposition moves the pieces.

B.
Deposition and erosion both involve the movement of small pieces of rock from one place to another.

C.
Erosion is the movement of small pieces of rock from one place to another, and deposition is when the rock settles in a new location.

D.
Deposition and erosion break rocks into smaller pieces, but the rocks remain in place.

Answers

Answer:

I think It's A

Explanation:

I hope I helped :)

An organism that survives an epidemic

Answers

Answer:

Genetic Flow is the answer but there is more than one

State how can go about finding the etiology of a given infectious disease? ​

Answers

Answer:

here's your answer!!

Explanation:

To diagnose such infections, doctors may use a variety of tests called immunologic tests. These tests detect one of the following: Antibodies, produced by the person's immune system in response to the microorganism. A microorganism's antigens

I hope it's helpful for you..........

Land warms up faster than the sea.
A. True
B. False

Answers

Answer: Solar radiation is absorbed more by land surfaces than by water. Solar radiation from its surface is reflected from water and returned to the environment. Keeping the land surface warm, as well as the vegetation for energy, because land absorbs much more solar radiation. The warmer the surface of land, the quicker it warms.

Explanation:

What functions are performed by the large intestine's
normal flora?

Answers

These bacteria are important in digestion and in keeping your large intestine healthy. The good bacteria that live in your colon are called your normal flora. They help prevent bad bacteria from multiplying and causing problems.

Which cell division phase is shown in the image?
A) telophase
B) metaphase
C) prophase
D) anaphase

Answers

Answer:

metaphase is the correct answer of this

Answer:

b is correct

Explanation:

ok ok ok ok ok ❤️❤️

can you heat alcohol over an open flame. Give reason for your answer​

Answers

Answer:

No, you cannot. The problem is that alcohol fumes are flammable. If you heat over an open flame you risk igniting the fumes which will start a chain reactions.

Explanation:

ggl and knowledge

( THIS IS SCIENCE WORK ) HELP ASAP PLS I NEED HELP NO LINKS PLS
Explain in your own words the order in which the creature's traits may have evolved, starting
from the first likely trait. (Hint: Which trait is most common across the creatures?)

Answers

Answer:

Use the following key to help you complete the field study.

HINT: You can view the creatures by clicking on the link HERE.  You may also use the activity on Page 5 of the lesson in order to view them.

Step

Physical Feature

Classification

1

Smooth skin

Go to 2

Fur

Go to 3

2

One eye

Go to 4

Two eyes

Go to 5

3

One eye

Go to 7

Two eyes

Go to 8

4

Arms and legs

Silkus monowrestle

Legs only

Silkus monosquirmus

5

Arms and legs

Go to 6

Legs only

Silkus duosquirmus

6

Tail

Silkus tallyhas

No tail

Silkus stretchilus

7

Tail

Fuzzus tallywag

No tail

Fuzzus feelzalot

8

Two teeth

Go to 9

More than two teeth

Fuzzus chompilus

9

Pointy

Fuzzus pointilus

Square

Fuzzus squarilus

this is the lesson

how is carbon captured and stored by organisms? how is carbon passed through the ecosystem? how is carbon returned to the ecosystem?​

Answers

Explanation:

i dont.know im in that qt


Carbon enters all food webs, both terrestrial and aquatic, through autotrophs, or self-feeders. Almost all of these autotrophs are photosynthesizers, such as plants or algae. Autotrophs capture carbon dioxide from the air or bicarbonate ions from the water and use them to make organic compounds such as glucose.

HOPE THIS HELPS

please help me it’s due in 20 minutes

Answers

Answer:

ok

Explanation:

1. p

2. n

3. n

4. p

5. n

6. p

7.p

8. n

What is the smallest size category of soil (less than 0.002 mm in diameter)?
O A. Silt
B. Sand
C. Clay
D. Gravel

Answers

Answer:

Clay particles

Explanation:

The particles that make up soil are categorized into three groups by size – sand, silt, and clay. Sand particles are the largest and clay particles the smallest.

Hope this helps!

CAN FISH SURVIVE ONLY IN WATER WITH DISSOLVED OXYGEN?

Answers

Answer:

Oxygen dissolves into water from two sources: the atmosphere and from plants in the water. kills fish from oxygen depletions can range from “partial” to “total”. In a partial kill the dissolved oxygen level gets low enough to suffocate sensitive species and large fish, but many small fish and hardy species survive.

Explanation:

I hope this helped you

A rabbit population's birth rate is 200 rabbits born/year. The death rate is 150 rabbits dying/year.



Is the population of rabbits growing or shrinking? Explain by calculating the growth rate.

Answers

Answer:

It's growing

Explanation:

The growth rate is 50 rabbits per year

I will mark you brainlist!

What is the meaning of chaise?

A. A harness

B. A person

C. A vehicle

D. A farming tool

Answers

Answer: A ?

Explanation:

Answer:

C.

Explanation:

a horse-drawn carriage for one or two people, typically one with an open top and two wheels.

Define food menu??????​

Answers

Answer:

A menu is a set of options presented to the user of a computer application to help the user find information or execute a program function. Menus are common in graphical user interfaces ( GUI s) such as Windows or the Mac OS .

Explanation:

hope it helps..

The menu is a list of food and beverages offered to customers with the prices is called food menu.

Select any true statements regarding conifers and forests. Check All That Apply Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures. Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures. Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind.Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind. Three years after a wildfire, a conifer forest will have many seedlings of the same age. Three years after a wildfire, a conifer forest will have many seedlings of the same age. Some species of conifer require fire before fertilization of their seeds can take place. Some species of conifer require fire before fertilization of their seeds can take place.

Answers

Answer:

The following are true statements regarding to conifers and forests:

O.  Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures.

O.  Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind.

O.  Some species of conifer require fire before fertilization of their seeds can take place.

Explanation:

The true statements regarding conifers and forests include the following:

Most conifer seeds can survive subzero temperatures but will be destroyed by very high temperatures- Most conifers when exposed to heat become destroyed as their viability becomes greatly reduced but can survive very low temperatures as it doesn't affect their viability.

Reforestation of a conifer forest after a wildfire can take many decades because new conifer seeds have to be brought from other areas by animals or wind- This is true as most conifers method of dispersal are through wind, animals, water etc.

Some species of conifer require fire before fertilization of their seeds can take place-  Species such as Lodgepole pine and Banksia require fire for fertilization as their cones or fruits that are completely sealed with resin.

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Each chromosome has genes that control wing shape, body color, antenna type, and eye color.

a. True
b. False

Answers

Answer:

The correct answer is - True.

Explanation:

In a simplified drosophila or fruit fly genome, Each chromosome of the homologous pair of chromosomes has the genes for the body color, wing shape, antenna type, and eye color, and all are located on the same chromosome.

So on the basis of the explanation given above it is clear that in Drosophila or fruit flies it is true that Each chromosome has genes that control wing shape, body-color, antenna type, and eye color.

TRUE or FALSE
Visible light has very short wavelengths.
If FALSE explain:


PLEASE HELP!!!

Thx

Answers

The answer is true: Visible light has very short wavelength

If you were appointed to a senior position, what would you do first?​

Answers

Explanation:

I will study my responsibility.I will work as a guardian to the juniors and fulfill the tasks I am accompanied with.I will try my best to satisfy everyone.I won't give any kind of disappointment to anyone regarding my work and performance.

The aquarium water and air pumped into the aquarium provide what component of an ecosystem?
А
biotic
B
abiotic
С
energy
D
decomposer

Answers

Answer: Abiotic

Explanation:

The aquarium water and air pumped into the aquarium provide an abiotic component of an ecosystem. Therefore, option B is correct.

What are ecosystems and their components?

A biological community of living things that interacts with the surrounding environment and other nonliving elements is referred to as an ecosystem. It can also be described as the series of interactions or communications between living things and their surroundings.

There are two parts to any ecosystem: biotic and abiotic components. Abiotically refers to non-living items, whereas biotic components refer to all live organisms in ecology. The equilibrium in the environment is maintained by these biotic and abiotic interactions.

Thus, the aquarium water and air pumped into the aquarium provide an abiotic component of an ecosystem. Therefore, option B is correct.

Learn more about an ecosystem, here:

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Warm air is denser than cold air and it sinks.

A. True

B. False

Answers

Answer:

false, its less dense than air

Explanation:

Answer:

False

Explanation:

In corn plants, the allele for tall stalks (T) is dominant over the allele for short stalks (t). Suppose a cross between a tall corn plant and a short corn plant produces 43 tall offspring and 47 short offspring. If one of the tall offspring is crossed with one of the short offspring, what ratio of genotypes would be most likely in their offspring

Answers

Complete question:

In corn plants, the allele for tall stalks (T) is dominant over the allele for short stalks (t). Suppose a cross between a tall corn plant and a short corn plant produces 43 tall offspring and 47 short offspring. If one of the tall offspring is crossed with one of the short offspring, what ratio of genotypes would be most likely in their offspring

A. 1 TT : 2 Tt : 1 tt

B. 3 Tt : 1 tt

C. All Tt

D. 1 Tt : 1 tt

Answer:

The offspring genotype ratio would be 1 Tt : 1 tt (Option D)

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

3.Some plants have structures or features that protect them from harm.

If a plant has bitter-tasting leaves, what would this most likely protect the plant against?Lector inmersivo
(1 Punto)

caterpillars that would eat the plant

cold weather that would cause the plant to freeze

people who would pick the plant for its pretty flowers

hot weather that would cause the leaves to dry up

Answers

Answer:

Caterpillars that would eat the plant

Explanation:

4) What factors influence the circulation of the Earth's atmosphere,
thereby producing our weather?

Answers

The movement of air through Earth's -- or any planet's -- atmosphere is called wind, and the main cause of Earth's winds is uneven heating by the sun. This uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure

The uneven heating of the earth's surface is one of the main variables affecting the circulation of the atmosphere globally along with  seasonal variations in precipitation and temperature and Earth turning on its axis.

What is weather?

The state of the atmosphere is referred to as the weather, and can be described in a number of different ways, including the degree to which it is hot or cold, wet or dry, quiet or stormy, clear or cloudy. The troposphere, the lowest layer of the Earth's atmosphere, is where the majority of meteorological events take place. The stratosphere is the next layer up from the troposphere. The term "weather" is used to describe the temperature, precipitation, and other characteristics of the atmosphere on a day-to-day basis.

Variations in air pressure, temperature, and moisture from one location to another are the primary contributors to a day's weather. These disparities can be attributed to the fact that the angle at which the Sun is positioned at any given location varies with latitude. The vast temperature difference between the polar and tropical air masses is what gives rise to the biggest scale atmospheric circulations.

Learn more about weather, here:

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PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.

Answers

Mesozoic, the era contained both large reptiles and small birds/mammals. It's interesting, coming from an evolutionary biology.

Hope this helped!

Answer:

C. Mesozoic Era

Explanation:

It makes sense because Dinosaurs existed during that era and became extinct after that era.

A water wave has a speed of 5 m/s. If it's wavelength is 50 m, what is its wave period? Show your work

Answers

Answer:

v=5,f=?,π=50 ,5÷50=0.1hz,T=10

What are some potentially linked genes you think humans might have?

Answers

Answer:

The potentially linked genes are the x or the y chromosomes.

Explanation:

And some of the more familiar sex linked traits are hemophilia, red-green blindness, and congenital night blindness.

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