Science - Chapter 5 Flashcards
Name an adaptation that would help an animal that lives in an environment that is snowy in the winter.
Animals that change color from brown to white help to camouflage themselves in the winter snow, like an arctic fox or arctic hare.
Grass grows on a sandy river bank. What is the main way the grass changes the river bank?
The grass helps hold the soil in place, to prevent erosion.
How does a tree most likely change in response to the beginning of the fall?
Many trees have leaves that change color in the fall.
Explain one way people affect their environment in a harmful way. Then provide a solution to this problem.
People cause pollution. One way to prevent pollution in the environment is to have people stop throwing their trash in the ocean.
A certain kind of tree grows in a northern state and a southern state. How will the trees in the two states MOST LIKELY change when the winter comes?
a. The trees will both have flowers.
b. The southern tree will have flowers and the northern tree will have fruit.
c. The leaves of both trees will turn red.
d. The northern tree will have no leaves, but the southern tree will.
d. The northern tree will have no leaves, but the southern tree will.
A certain plant begins to grow in an area and change the environment. Which of these changes would make the plant an invasive organism?
a. It grows quickly where the other plants do not grow.
b. It crowds out other plants that live there.
c. Its leaves provide food for insects.
d. Its flowers attract more animals.
b. It crowds out other plants that live there.
How will alligators MOST LIKELY adapt to the dry season in the southern United States?
a. They will migrate to a different part of the country.
b. They will sleep for long periods of time.
c. They will dig holes to collect water.
d. They will change color.
c. They will dig holes to collect water.
Which of these would cause harm to the environment?
a. Elephants use their trunks to find water.
b. Cows eat all the grass in one place.
c. Deer spread tree seeds.
d. Worms dig through soil.
b. Cows eat all the grass in one place.
Which animal’s home MOST LIKELY has the biggest effect on its environment?
a. a bear’s den inside an existing cave
b. a beaver’s lodge created by a dam across a river
c. a beehive in a dead, hollow log
d. a bird’s nest in a tree
b. a beaver’s lodge created by a dam across a river
Which of these is a way people use their environment to meet their needs?
a. using chemicals to grow more food
b. using water behind a dam for electricity
c. recycling wood to build houses
d. throwing litter on the ground
b. using water behind a dam for electricity
Several animals interact with a tree. Which of these is MOST LIKELY to harm the tree?
a. squirrels that build nests in the trunk of the tree
b. caterpillars that eat the leaves of the tree
c. ants that crawl up the trunk of the tree
d. birds that eat the fruit of the tree
b. caterpillars that eat the leaves of the tree
What is an invasive organism?
a plant or animal that does NOT belong in a place and harms it
What does it mean to “recycle”?
to use something again
What is pollution?
harmful substance that people put in the air, water, and soil
What does it mean to “conserve”?
to conserve is to use resources in a careful way.
