LIfe Science TCAP Practice

2. Fishery departments set catch limits on fish. Catch limits tell people how many

fish they can keep each day.

How are catch limits good for people?

• Catch limits cause the biodiversity in the oceans to go down.

• Catch limits cause the price of fish at local stores to go up.

• Catch limits allow for invasive species to move into the ecosystem.

• Catch limits ensure that there will be a steady food source in the future.

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4. Dolphins are sometimes seen in groups. The groups are called pods. The picture shows a pod of dolphins. A student claims that living in pods is better for dolphins than living alone. Which two activities are easier for dolphins because they live in a pod?

• communicating with different species

• swimming in calm waters

• breathing above the surface

• hunting for prey

• finding a mate

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11. A student learns that the temperatures are getting warmer on Earth. The student claims that warmer temperatures are bad for polar bears.

Which polar bear action supports the student’s claim?

• The bears build dens in the same place.

• The bears move to colder areas to find ice.

• The bears change fur color to find a mate.

• The bears produce more cubs in warmer seasons.

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18. The picture shows a common blackbird. Blackbirds can be found all over the United States. Blackbirds are known to eat small seeds that have hard shells. Which part of the bird helps it crack open the seed?

• Eyes

• Beak

• Feathers

• Wing

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21. Elephants live in groups called herds. A student claims that living in herds helps

elephants survive. The picture shows larger elephants in a herd surrounding a young, small elephant.

How does the elephant behavior shown support the student’s claim?

• The larger elephants in the herd step on the smaller elephant.

• The larger elephants in the herd keep the smaller elephant from eating food.

• The larger elephants in the herd protect the smaller elephant from predators.

• The larger elephants in the herd can get to water more easily than the smaller

  elephant can.

  SPRING

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24. A healthy pond ecosystem is shown in the picture.

A scientist predicts that the pond will dry up and fill with sandy soil.

Which two organisms will most likely survive the change?

Pick up to 2 answers.

• The fish will survive because it will be able to breathe air with its gills.

• The frog will survive because it will be able to move to another pond.

• The snail will survive because it will learn to eat minerals from the soil.

• The water plants will survive because they will learn to live on land.

• The duck will survive because it will be able to find food to eat in another area.

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28. The picture shows some organisms and their adaptations.

Which two adaptations best defend the organism against attacks from predators?

Pick up to 2 answers.

• Spines

• Gills

• Blubber

• Quills

• Tail