fossils

what is the fossil record

history of life on earth

what is the name of the scientists who study fossils to learn more about lifes pasts

paleontdrogist

describe the difference between a body and a trace fossil

a body fossil is part of an organism a trace is left by organisms

in what type of rock are most fossils found

sedimentary

why are organisms that are buried rapidly more likely to fossilize then those that are buried slowely or not at all

they are buried in the durt

describe three ways an organism can became a fossil without being buried in sediment

frozen amber

do all dead organisms became fossils

no

which is more likely to fossilize a clam or jellyfish why

clam does not decompose

of all the organisms alive today what percentage might possibly become preserved as fossils

10

in your own words explain why the fossil record is not complete

fossils are still forming

Why do birds have different beaks on different Galapagos Islands?

To eat the different foods on their specific island

What is a resource that can limit survival of animals in a population?

The food supply in that habitat

evolution

the way a species changes over time.

Natural Selection

How traits of a population can change over time.

artificial selection

breeding plants and animals that express the desired traits