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alukav5142 [94]
2 years ago
6

MEME BATTLE 4-5 | what are the functions of your brain?

Biology
1 answer:
fiasKO [112]2 years ago
3 0

Answer:

It attempts to keep you awake

Explanation:

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During drought years, seeds with thin coats are more likely to desiccate (dry out) and not be able to germinate
Morgarella [4.7K]

Directional selection favors one of the extreme phenotypes. Option B). Fewer plants with thin seed coats will be able to germinate, leading to a higher proportion of plants that produce seeds with thick seed coats.

<h3>What is directional selection?</h3>

Directional selection increases in the proportion of individuals with an extreme phenotypic trait.

There must be a selective pressure or environmental pressure acting on populations to lead the species to increase the number of individuals expressing that extreme phenotype.

This selection presents more frequently in those cases in which interactions between living organisms and the environment modify in the same direction.

In the exposed example the environmental pressure is drought during several years.

Drought periods decreases the fitness of plants that produce thin seed coats because they dehydrate before germinating.

Originally the population expressed both types of seeds. But after the drought pressure, only plants that produce seeds with thicker coats got to survive and reproduce.

The correct option is B). Fewer plants with thin seed coats will be able to germinate, leading to a higher proportion of plants that produce seeds with thick seed coats.

You can learn more acout directional selection at

brainly.com/question/12226774

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2 years ago
What waste product is produced through the process of cellular repiration?
pickupchik [31]

Answer:

A.carbon dioxide

Explanation:

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Choose 5 different organisms. At least one of your organisms needs to be a plant. List an adaptation and describe how the adapta
spayn [35]

Answer:

1) wood frog - freezes their body in winter

To survive the winter Wood Frogs' bodies freeze solid. They also stop breathing and their heart stops beating. This allows them to survive temperatures as low as -80 degrees Fahrenheit. And in spring, they thaw out and "come back to life.

2) Kangaroo rats survive without ever drinking water.

Kangaroo rats have adapted to survive in the desert without ever taking a sip of water. Instead, they get all the moisture they need from the seeds that they eat. These critters also have incredible hearing and can jump up to nine feet, which helps them avoid predators.

3) Chameleon - blend in with the environment by changing its color to escape from predators

4)Okapi have scent-glands on their feet.

Okapi are strange animals that look like a combination of a giraffe and a zebra. They live in the Democratic Republic of Congo, where it's very hot and predators, such as leopards, are always lurking. To stay alive, okapi have a three key adaptations. First, they have scent-glands on their feet to mark their territory. Second, they have infrasonic calls, which allows them to communicate with their calves without predators hearing their call. Finally, they have 14-18 inch-long tongues, which can be used to wash their eyes and ears.

5)Venus fly trap plant that is adapted for living in soil that doesn't provide enough nutrients.

6)  the seaweed is a plant adapted for its underwater environment

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How old did a lot of people think the earth was?
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I thought 2019 years
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Which of the following was true about the experiment conducted by Miller and Urey?
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