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Adaptation Unit Science Grade 8
Terms in this set (22)
An adaptation is...
a behavior or body part an animal is born with that helps the organism survive
Physical Adaptation Examples:
claws to catch prey, camouflage to blend in, flowers to attract pollinators
Behavioral Adaptation Examples:
hibernating in the winter to conserve energy, staying still to avoid being seen by prey, plants turning to face the sunlight
Adaptations are gained or inherited?
Adaptations are gained over ___ years
Survival of the Fittest:
the organisms with the best traits survive the longest
variations within a species, so traits are constantly being improved upon
Response to Change Examples:
bears making a sudden change in diet after a loss in food, bird moving to a new forest when the old forest is destroyed
Response to Change occurs over ___:
over a lifetime/immediate
Response to Change is within:
a small group of organisms or an individual
Response to Change is genetic or a decision?
a decision, will to live
When organisms are not able to adapt to their environment they...
species that are under watch for a substantial drop in population
a species that is close to extinction
an organism that is no longer alive on Earth
Threatened Species Examples:
bald eagle, american alligator
Endangered Species Examples:
white rhino, green sea turtle
Extinct Species Examples:
dinosaurs, wooly mammoth, passenger pigeon, dodo bird
Decline in Population Reasons:
habitat loss, developing land, intro of new species (takes over or becomes new predator), poaching, pollution
Decline in Population Prevention:
preserve land (national park, wildlife refugee), laws or gov. agencies to protect and regulate, endangered species act, game commission agency (of the area)
having a variety of different species and organisms living in the same environment
Biodiversity is important because...
everything in an ecosystem relies on other living things for survival; other species decline after another starts
THIS SET IS OFTEN IN FOLDERS WITH...
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