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22 Cards in this Set
- Front
- Back
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Adapation
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a body part or behavior that helps an animal live and meet its basic needs
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why does a platypus have webbed feet and why does it need them?
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it helps the platypus swim and it helps catch its food .
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why does the heron need a beak?
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it helps the heron catch frogs and fish to eat.
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why does a goat need big teeth?
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goats have large,flat teeth to grind grass.
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basic needs
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air,water,food shelter
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what is the life cycle of a tree?
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seed(grows new tree)adult tree
(provides shade,wood ,fruit,and shelter)decaying tree (return nutrients to the soil for new trees. |
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learned behaviors
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behavior that are toughtto an animal that helpsit meet its basic needs.
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instinct
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an inherited behaviors that helps an animal meet its needs.
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hibernation
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a dormant, inactive state in which normal body activities slow (body temperature goes down and heart slows)
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Examples of animales that hibernate:
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bat, woodchuch, bear, some frogs, turtles, fish
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migration
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animals moving in a large group from one region to another and back
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examples of animals that migrate:
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gray whales, caribou, sandpiper, Artic tern
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Inherited Behaviors
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migrating, hiberating, barking, nest-building
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Learned behaviors
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climbing trees, flying, speaking, reading, washing
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extinction
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what happens when all members of a species die out
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examples of extinct animals
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auk, aber-tooth cat, woolly mammoth
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Fossil
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evidence of a plat or animal that lived along time ago
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what are a few animals and plants that have changed very little over the span of time
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turtles, ginko and bristlecome pine trees have changed very little
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Scientist study fossil and do what?
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they compare the fossils
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What can scientist tell by looking at fossil footprints
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How big an animal was and how they moved.
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if an ecosystem changes...and the animal population decreases and there are fewer plants - what can we conclude?
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we can conclue that the animals are either moving or dying
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why are there fewer plants?
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there are fewer plants because were they are there needs aren't being met such as there is not enough water.
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