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adaptation
A physical trait or behavior that helps an organism survive in its environment.
response
The reaction or change in behavior.
transpiration
The release of water vapor mainly through small openings in the underside of leaves.
tropism
A plant's response to water, gravity, light and touch.
stimulus
A change in an environment that causes a response.
internal structures
Systems found inside an organism's body that have specific functions.
external structures
Structures that are part of the outside of the body
Plants get their energy from _______________________
the food they produce.
Phototropism
A plant's response to light.
Why can't humans produce their own food?
Humans don't have leaves.
What do fish use to breathe?
gills
What internal structure helps humans and animals to breathe?
lungs
The ____________ of a plant makes most of its food.
leaves
Which senses do animals use to survive in their environment ?
sight, smell, hearing, taste
Wolf's teeth, Bird's feet, Bear's claws, and Bunny's ears are all examples of ________________________________________.
external structures
Camoflauge
An adaptation that allows an organism to blend in with its environment
Mimicry
Ability of an animal to look like, or imitate, another more harmful animal
What are the basic needs of plants?
sunlight, water, space, food
Why do plants found in hot, dry areas have smaller leaves than plants found in warm, wet areas?
Smaller leaves limit the transpiration that occurs
What is a big role does that the stem of a plant plays?
The stem supports the plant.
How do tropisms benefit plants?
They help plants get what they need.
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