Study Guide Powerpoint

1. Study Guide Powerpoint COS 7.01 & 3.03

2. Pheromone- a chemical released by one animal that affects the behavior of another animal of the same species

3. - Evidence of Evolution Kaibab and Abert’s Squirrels • Less than 10,000 years ago environmental separated these squirrels. These two kinds of squirrels have been isolated from one another for a long time. Eventually this isolation may result in two different species. This is geographical isolation,

4. Snowshoe hares experience a change in fur color from white in the winter to brown in the summer. If these hares lived in a warm climate year round for many generations they could slowly mutate to have brown fur all year long.

5. Snowshoe hares have large, furry hind legs this is evidence of species variation due to climate. {It helps them in the snow}

6. Leopard frogs are and example of Speciation due to Geographic isolation.

7. Australia is isolated because it is an island. This may best explain why there is a large number of unique organisms that are found nowhere else on Earth.

8. Adaptations – the behaviors and physical characteristics that allow organisms to live successful in their environments.

9. Most birds build their nest without ever being taught how to, this is an example of how an animal performs some behaviors by - Instinct

10. Tapeworms living inside the intestines of another organism is an example of the symbiotic relationship know as –Parasitism.

11. Ants protect acacia trees from grasshoppers that eat their leaves. This statement describes a species variation that would be created by interspecies interactions.

12. Extinction- The disappearance of all members of a species from Earth

13. An example of Communication could be: When a prairie dog sees a coyote approaching, it makes a yipping sound that warns other prairie dogs to take cover in their burrows.

14. End of study Guide