Food, water, air, and shelter that an organism needs to survive.
What is basic needs?
100
A body part or behavior that helps an organism survive.
What is an adaptation?
100
How do plants meet their basic needs?
sunlight to make their own food, by taking water from rain and moist soil, by taking in air through openings in leaves
100
Give three examples of learned behavior.
reading, walk, play sports
100
Which organism did we read about that has fossils that show it has changed little over time? A.) corn B.) Dinosaur C.) Turtle D.) Camel
C.) Turtle
200
A behavior that an animal begins life with.
What is an instinct?
200
A dormant, inactive state in which normal body activities slow.
What is hibernation?
200
What is an example of an adaptation for getting food? A.) Flying pattern of birds B.) Hibernation C.) changing rabbit's fur color D.) sticky tongue of a frog
D.) sticky tongue of a frog
200
Give three examples of instincts.
breathing, eating, sleeping
200
Which animal is NOT extinct? A.) ginkgo B.) auk C.) saber-tooth tiger D.) woolly mammoth
A.) ginkgo
300
The movement of animals from one region to another and back.
What is migration?
300
A behavior that an organism doesn't begin life with.
What is learned behavior?
300
A horses' teeth are adapted for which activity? A.) eating plants and animals B.) cracking open seeds C.) chewing grass D.) eating meat
C.) chewing grass
300
What happens to the body temperature, heart, and breathing of animals when they go into hibernation?
The body temperature goes down. The heart barely beats. The breathing almost stops.
300
What kinds of fossils do you think scientists use to decide how dinosaurs might have moved?
leg bones, hip bones, footprints
400
The remains or traces of a plant or an animal that lived long ago.
What is a fossil?
400
The death of all the members of a certain group of organisms.
What is extinction?
400
Why don't all animals migrate or hibernate?
Some animals, such as wolves and rabbits, are adapted to survive cold weather and don't need to avoid it.
400
What needs do you think a flock of geese meets by migrating to warmer climates in winter?
They meet their needs for finding food and staying warm.
400
What three clues do fossils tell about animals that lived long ago?
animals' sizes, how they moved, what they ate
500
A process in which the best adapted organisms in an ecosystem are able to survive and reproduce.
What is natural selection?
500
Name the four basic needs of every living thing.
air, food, shelter, water
500
A tree falls and rots on the forest floor. The next year, new trees begin to grow in that spot. What is this an example of? A.) people planting trees B.) the cycle of life C.) the dead tree growing again D.) pollution
B.) The cycle of life
500
Why does a hibernating animal's temperature drop?
to conserve energy
500
The forest in your backyard that you regularly observe has changed. You notice the animal populations are shrinking and there are fewer plants. Why do you think this is happening?
The animal populations are either moving out or dying. The animal's basic needs are not being met. There are fewer plants because animals are feeding on them because there is not enough food.