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Explanation:

Oxygen diffuses easily through air, and the soil stays aerobic because oxygen comes in from the surface. But after a rain, the soil pores and the worm burrows fill with water. The worms can't get enough oxygen when the soil is flooded, so they come to the surface to breathe.

Answer:

D

Explanation:

Answer:

D

Explanation:

Pretty obvious lol

Answer:

I think it will option C

hope it helps

The answer is two operons control bacterial respiration

Answer:

two operons control bacterial respiration

Explanation:

The phase of mitosis which is shown in the picture is Metaphase. Thus, the correct option is A.

Mitosis may be defined as the type of cell division in which two daughter cells are formed from a parental cell with the exact number of chromosomes.

In metaphase, the chromosome usually lines up in one plane and forms an equatorial plate in which they are attached to the spindle fiber through their centromere.

Therefore, the phase of mitosis which is shown in the picture is Metaphase. Thus, the correct option is A.

To learn more about Mitosis, refer to the link:

https://brainly.com/question/19058180

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Answer:

The S phase and prophase

Explanation:

Replication: it occurs in the S phase of the cecular cycle and the condensation of the chromosomes, the phase is M.

Answer:

Once an organism is beyond a certain size, it cannot get essential molecules into and out of cells solely by diffusion. Diffusion is limited by the surface area to volume ratio of the organism.

Explanation:

once an organism is beyond a certain size, it cannot get essential molecules into and out of cells solely by diffusion. diffusion is limited by the surface area to volume ratio of the organism.

Answer:

In nature, populations are usually evolving. The grass in an open meadow, the wolves in a forest, and even the bacteria in a person's body are all natural populations. And all of these populations are likely to be evolving for at least some of their genes. Evolution is happening right here, right now!

To be clear, that doesn't mean these populations are marching towards some final state of perfection. All evolution means is that a population is changing in its genetic makeup over generations. And the changes may be subtle—for instance, in a wolf population, there might be a shift in the frequency of a gene variant for black rather than gray fur. Sometimes, this type of change is due to natural selection. Other times, it comes from migration of new organisms into the population, or from random events—the evolutionary "luck of the draw."

I hope this helps a little bit.

Answer:

answers are:

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Answer:

B. Cars still largely rely on oil.

Explanation:

Nowadays, most countries still use transportation systems that burn fossil fuels. An example of this may be private cars that consume gasoline, which derives from fossil fuels (oil). The use of fossil fuel transportation systems increases the emission of carbon dioxide (CO2), a major greenhouse gas involved in global warming. In the near future, it is expected that fossil fuel-based vehicles can be replaced by electric cars that use energy obtained from renewable sources (e.g., solar energy, wind energy, etc).

Answer:

B is not correct. I know cause I took the test here are the correct answers!

Car companies have developed hybrid cars.

More wind farms are present in the United States.

More products are made from recycled materials.

Explanation:

I just want you to get it right and get an A

Answer:

Natural immunization

Explanation:

Answer:

When temperature and wind speed are constant, but humidity increases, the rate of evaporation will decrease. When wind speed and humidity stay constant, and temperature increases, then the rate of evaporation will increase because warmer air can hold more water vapor than colder air.

Answer:

if the rate of evaporation reduces water cylcle will stops and amount of water present in the world will be increase.humifity will be more.

Answer:

There is overall agreement that volcanic sulphate aerosols in the stratosphere can reduce solar radiation reaching the earth's surface for years, thereby reducing surface temperatures, affecting global circulation patterns and generally the global climate system.

Answer:

The onerous elements of organisms, like bones, shells, and teeth have a far better likelihood of changing into fossils than do softer elements. One reason for this can be that scavengers typically don't eat these elements. onerous elements conjointly decay additional slowly than soft elements, giving longer for them to be buried.

Explanation:

Answer:

I think this is right

Explanation:

ocean warming evidence - melting of glaciers and ice caps, expansion of ocean volume, organisms more prone to illness or difficult for some species to make shells or growing difficulty in absorbing carbon dioxide

ocean acidification evidence - growing difficulty in absorbing carbon dioxide,

large concentration carbonic acid, organisms more prone to illness or difficult for some species to make shells

Answer:

I think this is right

Explanation:

ocean warming evidence - melting of glaciers and ice caps, expansion of ocean volume, organisms more prone to illness or difficult for some species to make shells or growing difficulty in absorbing carbon dioxide

ocean acidification evidence - growing difficulty in absorbing carbon dioxide,

large concentration carbonic acid, organisms more prone to illness or difficult for some species to make shells

Explanation:

b

The mutation Mutations are changes to an organism's DNA and are an important driver of diversity in populations. This mutation has introduce a new allele into the population that increases genetic variation and may be passed on to the next generation.

hope it helps.

Answer:

True

Explanation:

A tissue is a group of cells that does the same function.

Answer:

5

Explanation:

The object distance Is 20 I'm

The image distance is 6.666

Therefore the focal length can be calculated as follows

1/f = 1/20 + 1/6.66

= 6.66+20/133.2

= 26.66/133.2

1/f= 26.66/133.2

f = 133.2/26.66

= 4.99

= 5

Hence the focal length is 5

Answer:

D. Meiosis forms four cells all with different genetic material

Explanation:

They are haploid cells and each cell only had one set of chromosomes. Meiosis results in variation.

Answer:

weather is the climatic condition s of a place for a short period of time . components of weather are -raunfall,cloudniss etc.

Answer:

the first one

Explanation:

So the predicted offspring genotypes are 50% Hh and 50% hh

so there is a 50% chance that they will have no horns and and aa 50% chance that they wont

Answer:

DNA replicates before a cell divides to give a complete set of genetic instructions to each daughter cell.

Explanation:

Answer:

a combination of large groups of people, and they are all travelling- which increases the spread.

Answer:

The reason airports, trains, cruises, and bus stations are considered high risk areas for biological warfare is because they all have a high number of people in them which means that there will be more fatalities.

Answer:

Cause. Klinefelter syndrome usually occurs as a random event during the formation of reproductive cells (eggs and sperm). An error in cell division called nondisjunction results in a reproductive cell with an abnormal number of chromosomes.

Explanation:

Answer:

B. 25%

Explanation:

There are 3 out of 4 chances the flower will be white because the white is a dominant trait, this leaves 1 out 4 chances for the flower to be purple.

Note: Drawing punnet squares can help you find the possible genotypes.