What does the substance melanin control?

Color Of The Skin
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Related trivia

What substance, found in food, helps move wastes through the body?
Fiber
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What is the outer skeleton of organisms such as spiders and insects called?
Exoskeleton
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How many bones are in each finger, except the thumb, of a human hand?
Three
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What is the expected time an organism will live called?
Life Span
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Which nutrient group is used to help grow and repair cells?
Proteins
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What vitamin does the sun's ultraviolet rays help the skin produce?
Vitamin D
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What is a hominid?
An Upright-Walking Primate
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What is the Japanese word for "dog"?
Inu
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What kingdom would a human be in?
Animal
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What "trapdoor" on your windpipe helps keep out food particles?
Epiglottis
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Which is a tiny structure located in the cytoplasm of a cell?
Ribosome
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What is the correct plural of Keeshond?
Keeshonden
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What organ filters blood and helps regulate salt and water levels?
Kidneys
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What is the outermost covering of trees and some plants called?
Bark
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What do you count on a tree to tell how old it is?
Rings
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Fish take in oxygen through their gills; what do insects take in oxygen through?
Spiracles
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What powdery substance contains the male sex cells of a flower?
Pollen
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Where does the zygote of a gymnosperm develop?
In The Ovule
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What type of creature generally lives on land but starts life in the water?
Amphibian
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What is the human body's largest organ?
Skin
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What makes up about 70 percent of most living things?
Water
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What process produces a duplicate of the original cell?
Mitosis
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What arctic sea whale has one long horn on its head?
Narwhal
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What are the small bones that make up a backbone called?
Vertebrae
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