science review

A fern is a plant that most often grows in warm, wet regions. Which of the following is MOST LIKELY to help the fern grow?

• a snowstorm

• strong wind

• a very dry month

• rainy weather

Which of the following organisms is a producer?

• grasshopper

• ant

• flower

• alligator

What do all food chains begin with?

• Sun

• water

• air

• other animals

Describe a food chain that includes at least three organisms. Explain how the energy flows (moves) between the organisms.

• A food chain consists of a producer, a consumer, and a decomposer, where energy flows from the producer to the consumer and then to the decomposer.

• A food chain consists of a consumer, a producer, and a decomposer, where energy flows from the consumer to the producer and then to the decomposer.

• A food chain consists of a decomposer, a producer, and a consumer, where energy flows from the decomposer to the producer and then to the consumer.

• A food chain consists of a producer, a decomposer, and a consumer, where energy flows from the producer to the decomposer and then to the consumer.

This diagram illustrates the results of a pillbug experiment that a student did as a science project. Which conclusion is supported by the results?

• The pillbugs use their antennae to move from one side of the box to the other.

• Wet surfaces cause pillbugs to travel slower than dry surfaces.

• Pillbugs prefer wet environments to dry ones.

• Pillbugs sense more food on one end of the box.

Which organism in this food chain is the producer? Select the correct answer.

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OFF

Which of the organisms listed below will be able to survive in a rainforest environment?

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OFF

Part B: Which statement best supports the answer to Part A?

• The polar bear needs a warm, wet environment to survive.

• The cactus needs a warm, wet environment to survive.

• The tree frog needs a warm, wet environment to survive.

• The shark needs plants and trees to survive.

Which organism in this food chain is the producer?

• phytoplankton

• zooplankton

• small fish

• large fish

Cameron bought an enclosed terrarium like the one shown below. The terrarium had a few plants and a few animals living inside. Soon, the plants began to die which was closely followed by the death of the animals. Which of the following is a good explanation as to why the animals died?

• A. A virus killed all the living things.

• B. The animals did not have enough carbon dioxide.

• C. The animals did not have any food or oxygen.