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77julia77 [94]
3 years ago
10

Based on what you know about skin pigmentation so far, suggest a mechanism by which UV intensity could provide a selective press

ure on the evolution of human skin color. In other words, propose a hypothesis that links skin color to evolutionary fitness.
Biology
1 answer:
vivado [14]3 years ago
7 0

Answer:

More darker skins are more resistant to disease than lighter skins.

Explanation:

  • The skin color pigmentation is based on the genetic makeup that is biological factors and physiological factors such as solar insolation, heat humidity, and temperature. The human's skin color ranges from dark brown to lighter hues.
  • The people who live near the tropics are much darker occurs due to the pigmentation of skin as compared to those that live near the arctic. The presence of melanocytes in the skin cells helps in deterring fitness and evolutionary traits.
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Pls help this is for a hard test 30 Points!!!! Describe the life cycle of a Human. Make sure to use atleast 4 stages and write i
liraira [26]

Answer:

Different researchers break the life cycle of humans into different number of stages. The life cycle of the humans can be categorized into:

Pregnancy: During pregnancy, an embryo is formed from a zygote. Then, eventually a fetus is formed.

Infancy: Infancy can be described as the earliest period after a child is born.

Childhood: The age where the child starts to learn from his environment.

Puberty: The beginning of adolescence is known as puberty. It is the time when various hormonal changes occur.

Adolescence: The late teen ages.

Adulthood: The age when the person has passed the teen ages.

Old age: People above the age of fifty.

3 0
3 years ago
Which organelle in the table is correctly matched with its function?
allsm [11]

The organelle in the table that correctly matches its function is the ribosome because it produces proteins.

<h3>What is a ribosome?</h3>

A ribosome is an organelle that functions as a protein factory in the cell, whereas vacuoles contain dissolved materials and store water.

Mitochondria are energy producers by the process of cellular respiration, and lysosomes contain hydrolytic enzymes.

In conclusion, the organelle is a ribosome that produces proteins.

Learn more about ribosomes here:

brainly.com/question/8773679

#SPJ1

7 0
2 years ago
Fungi are important to the environment because they
Salsk061 [2.6K]
Answer B; fungi are decomposers. They break down dead material.
4 0
4 years ago
No one gets this right
yuradex [85]
I assume the answer is man-made, correct?
8 0
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Leeches suck the blood of mammals but do not kill them. This situation is an
wel

Answer:

c

Explanation:

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