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djverab [1.8K]
3 years ago
8

Global winds are directly caused by the Earth's rotation and ____

Biology
2 answers:
Anvisha [2.4K]3 years ago
5 0

Answer:

D

Explanation:

Artemon [7]3 years ago
4 0
<h2>Answer:</h2>

(D)

<h2>Explanation:</h2>

The uneven heating of the Earth’s surface heats up the air which stirs up air currents in the atmosphere Ex. Jet streams, Easterly, Westerly winds.

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In a population, surrounded with dark gray rocks, there lived 2 types of beetles, a gray beetle and a white beetle. In the start
Svetlanka [38]

Directional selection favors one of the extreme phenotypes over the other one. <u>Option C is correct</u>. Natural selection is the evolutive force, and 0.40, 0.40, and 0.20 are the new genotypic frequencies.

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

Directional selection is one type of natural selection. Let us remember that natural selection is an evolutive force.

Directional selection increases 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,

  • two original phenotypes ⇒ gray and white
  • substrate color ⇒  dark gray rocks
  • environmental pressure ⇒ birds preying on beetles

- Grey beetles managed to camouflage with rocks since their gray color was similar.

- White beetles were exposed on the dark gray rocks, so they were easily seen by birds.

- Predation by birds was an environmental pressure that had a stronger influence on the white phenotype.

Natural selection favored gray-colored beetles, who could survive and reproduce.

Assuming a diallelic gene expressing complete dominance codes for beetles color, we can suggest that the frequency of one of the homozygous genotypes increased, while the other decreased to near cero. Heterozygous individuals kept the allele coding for the white phenotype.

Among the options, <u>C is the correct one</u>. Natural selection is the evolutive force, and 0.40, 0.40, and 0.20 are the new genotypic frequencies.

You can learn more about natural selection and  directional selection at

brainly.com/question/9830102

brainly.com/question/12226774

#SPJ1

7 0
2 years ago
The two major volcanic regions are at the island arc and ring of fire. <br> True or False
lidiya [134]
True both the ring of fire and island arcs are places with a lot of volcanoes
8 0
3 years ago
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I just thought about this and i wanted to know do ants lay eggs?
lana66690 [7]

the worker ants lay eggs without mating but the worker ants dont have sperm cells tho

4 0
3 years ago
FIRST CORRECT GETS BRAINLIEST
taurus [48]

Answer:

Changes of state are physical changes. They occur when matter absorbs or loses energy. Processes in which matter changes between liquid and solid states are freezing and melting. Processes in which matter changes between liquid and gaseous states are vaporization, evaporation, and condensation.

8 0
3 years ago
What do you think "valence" means?
olya-2409 [2.1K]

Answer:

Outermost

Explanation:

Valence electrons are the electrons in the outermost shell, or energy level, of an atom

MARK THIS AS THE BRAINLIEST!

6 0
3 years ago
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