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Adaptations

Adaptations to a particular environment increase an organism's survival

TermDefinition
population All the organisms of a given species that live in the same place at the same time.
ecosystem All the living and nonliving parts of an environment and the interactions among them.
biome A large group of ecosystems that have similar climates and organisms.
taiga a biome characterized by cold winters and cool summers and dominated with evergreen or coniferous trees like pines and spruces.
tundra a cold, dry treeless biome where harsh conditions make it hard for animals and plants to survive.
evolution the process by which species change over time.
adaptation any characteristic (behavior or body part) of an organism that helps it survive in a environment.
variation differences in traits among members of a species.
hibernation a state of complete inactivity during winter.
migration an animal's movement to a new location on a regular schedule, such as when seasons change.
extinction the permanent dying out of an entire species of organisms.
species a group of organisms that share most characteristics and can breed with one another and produce fertile offspring.
scientific theory a well accepted concept that explains a wide range of observations.
natural selection the process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.
types of adaptations structural( or body part) and behavioral (how an organism acts)
example of structural -polar bears having blubber (fat) to keep warm - reptiles having scales to keep water from escaping through their skin
example of behavioral wolves hunting in packs to catch prey plants turning to face the sunlight
Created by: rharris1967320