Science Unit 7 Ecosystems

Which animal would live in a forest ecosystem?

• rabbit

• turtle

• owl

• fox

A fern is a plant that grows in warm, wet regions. Which of the following would most likely help the fern grow?

• a very dry month

• rainy weather

• a snowstorm

• strong wind

What type of ecosystem would these animals live in?

• tropical rain forest

• desert

• grassland

• deciduous forest

A grassy environment with a variety of trees and large animals would BEST support which populations of animals?

• giraffes and lions

• hawks and owls

• polar bears and penguins

• woodpeckers and hummingbirds

Observe the food chain. Which organism's population would increase if finches were removed from the ecosystem?

• grass

• grasshopper

• snake

• hawk

Flowers depend on sunlight to make their own food. Butterflies eat nectar from the flowers. Toads eat butterflies. How can the flow of energy be described?

• Nectar provides energy to flowers.

• Toads provide energy to butterflies.

• Flowers provide energy to butterflies.

• Flowers provide energy to the Sun.

How does the lizard get its energy in this food chain?

• The lizard eats the maize.

• The locust eats the lizard.

• The lizard eats the snake.

• The lizard eats the locust.

Two cactus plants are growing next to each other in the desert. For which resource are the cacti MOST LIKELY to compete with each other?

• food

• oxygen

• sunlight

• water

Which type of habitat is BEST for a starfish?

• river

• lake

• ocean

• pond

What is missing in this food chain?

• arrows

• water

• producer

• consumer