Life Science Chapter 3

Dragonflies lay their eggs near standing fresh water. Which of these would be a good environment for a dragonfly?

• a pond

• a river

• an ocean

• a coral reef

Each environment on Earth supports a COMMUNITY. Which statement best describes a community?

• a group of the same kind of living things in an environment

• all the different kinds of living things in an environment

• a group of living things that eat plants or animals

• all the nonliving things used by living things

Which animal would most likely be found on a grassland?

• ocelot

• shark

• prairie dog

• kangaroo rat

Sally read a book about plants that live in the evergreen forest. Which plant did she most likely read about?

• cattail

• cactus

• pine tree

• willow tree

A population of whales would most likely be found in which type of environment?

• desert

• wetland

• rain forest

• salt water

Which living thing would mostly likely be found in a fresh water environment?

• coral

• whale

• beaver

• sea star

Which animal is most likely to be found in a wetland community?

• coral

• bison

• fiddler crab

• scarlet macaw

Which correctly shows the flow of energy in a desert food chain?

• sun -- cactus -- insect -- lizard -- hawk

• sun -- insect -- lizard -- hawk -- cactus

• hawk -- lizard -- insect -- cactus -- sun

• lizard -- hawk -- insect -- cactus -- sun

A forest food chain is shown below.

maple tree -- caterpillar -- robin -- mushroom

What is the role of the maple tree?

• producer

• consumer

• herbivore

• decomposer

Why are decomposers important to a food chain?

• They are a main source of energy for the food chain

• They help return materials from dead things to the soil.

• They make food for the other living things in the food chain.

• They make sure that there are not too many predators in a food chain.