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.

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

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.