Adaptation and Endangered Unit Trashball Review

A trait that helps an organism survive and reproduce ADAPTATION

Organisms that are in danger of becoming extinct are considered….? ENDANGERED

Too much hunting, fishing, or use of a resource is called… overexploitation

Natural selection is based on a. overproduction b. competition c. variation d. all of these D. ALL OF THESE

The #1 cause of species extinction is… a. poaching b. pollution c. habitat alteration d. exotic species B. HABITAT ALTERATION

Evolution happens at what level? Genetic level- because of mutations in the genes.

What are two adaptations of the “abominable snowman”? Claws, teeth, thick fur, Eyes to the front

Name two natural causes of species extinction. Climate change, asteroids, past volcanic activity

Who is master-mind behind the “theory of evolution”? Charles Darwin

This animal was the first on the endangered species list of the US…. a. crocodile b. elephant c. buffalo d. bald eagle C. buffalo

A ____________species provides balance to an ecosystem. keystone

The finches that Darwin studied had adapted different ___________ based on the foods they ate. beaks

True or False. Animals can create an adaptation for themselves because they want to. False; mutations occur genetically and then the adaptation is passed down through generations

When members of a species are separated from their original group and eventually become a new species over many generations is called…. Geographic isolation

What are some traits that would help you identify predator from prey. Direction of eye sockets, Shape/size of teeth

Name two man-made causes of species extinction. Habit alteration, poaching, Overexploitation, etc.

Gradual change in a species over time. evolution

Gradual change in a species over time. evolution