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Science Chapter 3
| Question | Answer |
|---|---|
| a species or form of a species that lived long ago and to which modern species may be traced back and is a | ancestor |
| the preserved remains of an organisim that lived long ago is a | fossil |
| a scientist whostudies fossils is a | paleontologist |
| a species that share a common ancester and has many traits in common with other species is a | relative of that species |
| a group of the same type of living things thaty can mate and produce living things of the same kind is a | species |
| a major division of time is an | era |
| a species that is at risk at dying out is an | endangered species |
| a feature, such as a body part or behavior,is a | trait |
| a species that has died out is called an | extinct species |
| an extinct organisim lived 300million years ago.use the gealogical scale to see what era it lived in | the organisim lived in the palezoic era |
| there are 10,000ducks of a species.hunters kill 50 a week.in how many weeks will the ducks become extinct | 200 weeks |
| name two human activites that might cause a species to become extinct | 1.hunting 2.pollution |
| because overhunting, the number of a species of a bird drops from 75 to 10.is this species endangered or extinct explain | its endangered because if it was extinctn there would only be 0 left |
| a magazine artical tells about an extinct ancestorof a modern lions.what are some traits tjhe exticnt ancestor might have | sharp tyeeth claws a main sharp meat eating teeth |
| suppose a fossil is found on a mountain.the animal that formed the fossil had fins,a tail,and a flat body.what evedince is there to support that the idea that the mountain was once under water | the fish couldnt just magicly groiw feet and walk to the mountain |
| what might people do to save a species that is endangered because of dusruction of its habitat | put a law up aginst hunting that animalk |
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Tianae
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