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20 Cards in this Set

  • Front
  • Back
Structure that brings images into sharp focus are _____.
lens
Cells that detect black and white images are _________.
rods
Animal cells contain ______ which is a pigment.
melanin
Carrots appear orange because they contain _______.
carotene
The inherited behaviors with which all young animals are bonr are called ____________.
instincts
All the colors of visible light combined appear _____.
white
Explain why an object may appear black.
A black object absorbs all the light that hits it. No light from the black object is reflected to your eye.
Which of the following are reflected or absorbed by objects?
wavelengths
Explain why people who stay in the sun get dark skin.
Skin cells contain the brown pigment called melanin. Melanin absorbs the harmful ultraviolet light from the sun, and exposure to such light causes skin cells to produce melanin. The more that is produced, the darker the skin.
A cell in the eye that receives light is called a _____.
receptor
The spines of a cactus are a ______ adaptation.
structural
"Playing dead" is an example of a _______ adaptation.
behavioral
Molecules that absorb wavelengths of light ______.
pigments
Many prey animals have a wide range of vision because they have _________________________.
eyes on the sides of their heads.
A predator is an animal that ___________________.
eats other animals
Cells that detect color are ___________.
cones
An inherited trait that enables a species to survive in its environment is an ____.
adaptation
Chlorophyll enable plants to produce ________________.
glucose
The pigments in the cells of a yellow flower____________________________________________________.
absorb all wavelengths of light except yellow
Molecules that absorb light energy are called ________.
pigments