Adaptations and Variations

What is an adaptation?

• A change in DNA

• A trait of an organism that helps it survive in its habitat

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Why do fish have gills?

• So that they can fly

• So that they can swim better

• So that they can breathe underwater and perform a gas exchange

• So that they can hide from predators

External means.....

• Inside the body

• Outside the body

• What the animal does to survive

Internal means....

• Inside the body

• Outside the body

• What the animal does to survive

Structural adaptations pertain to the........

• Mind

• Body

• Behavior

Behavioral adaptations pertain to.....

• the body

• outside the body

• inside the body

• what the animal does to survive

Why do you think that birds would have a rapidly beating heart while in flight?

• More heart beats means more oxygen to their wing muscles

• They are able to make their own food

• It helps them steer

What is xylem in plants?

• Bark

• A special type of root

• Structure that allows them to move water and nutrients throughout the plant

What do Canada geese do to leave Canada when it gets too cold in the winter?

• They hibernate

• They die

• They migrate

• They catch a bus

What is a variation?

• a trait that helps an organism survive in its habitat

• genetic variety within a species