What amount of genes do you inherit from your mother?
50%
100
Why do animals need to adapt?
They must adapt to change in order to survive.
100
What are behavioral adaptations?
They are ways an animal acts/behaves that help it to survive.
100
What do you call animals that are gone from the earth forever?
extinct
100
What is an instinct?
Something an animal or person is born knowing. Example: to cry, to build a nest, to drink its mother's milk.
200
What are three things you can inherit from your parents?
Examples: hair and eye color, curly hair, dimples, right handedness, etc.
200
What are structural adaptations?
They have to do with the physical features of an animal's body that help it to survive.
200
What behavior in animals are they born knowing?
Those are an animal's instincts like knowing how to build its nest.
200
What do you call animals whose numbers are greatly decreasing?
endangered
200
Why is acid rain harmful?
It can damage plants and trees. It affects rivers and lakes and the animals that live in them.
300
Does the flamingo get its pink color from its parents or the environment?
Environment: the pink color comes from the foods it eats.
300
What structural adaptation helps an animal blend in with its surroundings?
camouflauge
300
How do scientists learn about past extinctions?
By studying fossil remains.
300
What causes acid rain?
Car exhaust and pollution from factories.
400
If your parents have dark eyes and hair you are more likely to be blue eyed. True or False
False. These are dominant genes so your chances of being dark are greater.
400
What body part helps a duck find food?
Its webbed feet or bill.
400
What are three examples of behavioral adaptations?
Migrating, hibernating, living in groups, communicating through calls, etc.
400
How did the dodo bird become extinct?
Animals invaded the island they lived on and they robbed the eggs from their nests. Also they were over hunted by travelers.
400
How are invasive species introduced to an area?
Sometimes people bring them on purpose to a new environment because they want them available (garlic mustard) or on accident (zebra mussels).
500
Some genetic features can be harmful, such as diseases you many inherit. True or False
True
500
Why is the koala having difficulty adapting?
It only eats a few types of ecucalyptus tree leaves and they are not as plentiful now.
500
How can a beaver change its environment?
By cutting down trees and building dams to create ponds.
500
How did the bald eagle become endangered in the 1970's?
The widespread use of the pesticide DDT got into the water. The eagle ate the fish the DDT contaminated. The eagle's eggs started to have very thin shells that would not allow the babies to hatch out. Their numbers greatly declined.
500
What is a learned behavior?
One that has been taught to a species. Example: how to hunt or find food.