Chapter 3: Lesson 1
Chapter 3: Lesson 2
Chapter 3: Lesson 3
Chapter 3: Random
100
List the 4 Basic Needs
Food, water, air, shelter
100
what is hibernation?
A dormant, inactive state in which normal body activities slow
100
What is a fossil?
The remains or traces of a plant or an animal that lived long ago.
100
What is adaptation?
body part or a behavior that a living thing gets from its parents and that helps it survive
200
What is natural selection?
A process in which the best adapted organisms in an ecosystem are able to survive and reproduce
200
List 3 learned behavior of a bear?
Teacher will check answers
200
What do fossils tell us about some ancient camels? Explain
Some size of a rabbit. Some tall 4.5meters (15 ft tall)
200
why is diversity important part of a population?
helps the population adapt or change as the environment changes
300

3 Animals: Alligator, beaver, heron

Which tools help each animal meet its need for food? List 1 each

alligator-sharp teeth and claws

Beaver - strong teeth to chew food

Heron - long beak to catch fish

300
Which animals travels farther than any other animal?
Artic Tern
300
Ginkgo trees are often called living fossils why?
Because not much changed 100 millino years ago.
300
give 2 reasons how extinction can still occur?
Teacher will check answers
400
In which stage of its life is a nurse log in ?
Decay
400
Why do Gray whales migrate to the south for?
Mating and birth
400
Scientists have found fewer fossils of plants than of animals bones why?
The soft plant tissue decay before they have a chance to become fossils, but bones last a long time
400
Factories produce pollution. Technology was introduced to decrease pollution. So what happens to moths as the airs gets cleaner?
Light colored moths increase
500
How many grams of blood a day do vampires need to survive?
20 grams (2 tablespoons)
500
Explain the difference between male and female hibernation of frogs.

Male frogs hibernate at bottom of ponds,

Female hibernate on land

500
The last Saber toothed cat died about how many years ago?
10,000 years ago
500
How does a salmon returning to the stream where it hatched help it complete its life cycle?
This behavior lets salmon lay eggs where other salmon can fertilize them.
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