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Some animals travel a long distance at the same time each year. What is the name for this kind of behavior?
A. communication
B. hibernation
C. migration
D. reproduction
C. migration
Pitcher plants have leaves that look like water pitchers. How do pitcher plants use their special leaves to live?
A. to catch water for roots
B. to hide water from plant eaters
C. to catch insects to digest
C. to catch insects to digest
Which of these best tells what a life cycle of a living thing is?
A.the structures that it makes
B. the steps in its reproduction
C. the stages it goes through in its life
D. the parts of it that form as it grows
C. the stages it goes through in its life
Which is the best definition for hibernation?
A. a deep sleep like state in which normal body activities slow
B. an instinct that an animal prepares for by eating lots of food
C. the movement of animals from a cold climate to a warmer climate
D. any response to cold winter that helps an animal survive
A. a deep sleep like state in which normal body activities slow
Which of these is the name for any trait that helps a living thing survive?
A. action
B. adaptation
C. conservation
D. germination
B. adaptation
A fruit holds seeds of a flowering plant. Which of these is another structure that holds seeds?
A. cone
B. insect
C. pollen
D. spore
A. cone
Which is the best definition for an instinct?
A. a behavior that an animal copies
B. a behavior that an animal is born with
C. a behavior that helps an animal survive
D. a behavior that lets an animal survive without eating
B. a behavior that an animal is born with
When is the best time to make a graph of the changes in a plant’s height?
A. before planting a seed
B. after recording the data
C. when watering the seeds
D. while recording some of the data
D. while recording some of the data
What does it mean when there are not enough seeds in a growing plant or fruit?
There is not enough pollen in the plant to make more seeds.
What is the name for the major changes in an animal’s appearance during its life cycle?
A. birth
B. differences
C. metamorphosis
D. reproduce
C. metamorphosis
A hedgehog is a small mammal with many spines. What is the most likely reason a hedgehog uses its spines?
A. to eat its food
B. to find a new home
C. to attack its enemies
D. to scare predators away
D. to scare predators away
What makes a nymph and and adult grasshopper similar?
They are both grasshoppers and they both have a body shape that looks like each other.
What makes a nymph and and adult grasshopper different?
The adult grasshopper is larger than the nymph and has wings. A nymph grasshopper does not have wings yet and is smaller than the adult.