Biology of Skin Color

What area is likely to have the HIGHEST amount of UV radiation?

• Areas near the equator

• Areas near the North Pole

• Areas near the South Pole

• All have the same amount

According to the video, what did the data show?

• A correlation between UV intensity and skin color variation

• Human skin color is determined by melanin in the skin

• Human skin color is determined by camoflauging in one's environment

Tags

NGSS.HS-ESS3-1

NGSS.HS-LS4-5

What does melanin do for your skin?

• Nothing

• Protects your cells from harmful UV rays

• Protects your cells from xrays

The sun is beneficial because it offers

• Vitamin D

• Vitamin A

• The sun is only harmful, not beneficial

What trade-offs exist for darker skinned people and the sun? (select 2 answers)

• Darker skinned people are more protected from harmful UV, but do not absorb as much Vitamin D

• Darker skinned people are more protected from Vitamin D, but do not absorb as much UV

• Darker Skinned people are more likely to experience bone disease but less likely to get skin cancer

What statement is true

• If you do not receive enough Vitamin D, you can take supplements

• If you do not have enough Vitamin D, your bones will be ok

• If you do not have enough Vitamin D, there is nothing you can do about it

True or False: Traits like skin color or the presence of a tail can be classified as "good" or "bad"

• True

• False

Tags

NGSS.MS-LS1-4

The ozone layer reflects many harmful UV rays from the sun. If the ozone layer is depleted, what two things will happen?

• More UV will enter the Earth's atmosphere

• Skin cancer likelihood will increase

• Less UV will enter Earth's atmosphere

• Skin cancer likelihood will decrease

Tags

NGSS.HS-ESS3-6

Where did the indigenous people of the Earth have lighter skin?

• Near the poles

• Near the equator

• All over the world

Match the statement with the category

Groups:

(a) People with fair skin

,

(b) People with dark skin

• have a high risk for skin cancer if out in sun a lot

• have a low risk for skin cancer if out in the sun a lot