Ecosystems

What is an ecosystem?

• A group of animals that are the same species.
• Soil, water, air and sunlight
• All the living and non living things that interact in an area.
• North America

Which is a non-living part of an ecosystem?

• Sunlight
• Air
• Water
• All of these

Which is an example of a living (biotic) factor in a desert?

• Sun
• soil
• snake
• minerals

Which is an example of a nonliving (abiotic) factor in a desert?

• Sun
• cactus
• scorpion
• snake

A pond has is home to populations of dragonflies, ducks, and small fish. What other populations would most likely live in the pond ecosystem?

• Cacti

• Frogs

• Sharks

• Squirrels

A deer eats from Farmer McClard's cornfield. A flood destroyed the field of crops. What will happen to the deer now that the corn is destroyed?

• The deer will plant more crops.
• The deer will leave the area to find food.
• None of the Above

Extremely cold and dry biome, known for its permafrost

• ecosystem

• Tundra

• nonliving

• Grassland

Which of the following is a flat, dry area covered by grass?

• Desert

• Grassland

• Tundra

• Coniferous Forest

Ecosystems are composed of both living and nonliving things.

• true

• false

Animals have adaptations to survive in a desert ecosystem.  Which adaptation will help an animal survive in the desert?

• Large ears to remove thermal energy from the body.

• Blubber to keep them warm in the winter

• Gills to breath under water

• Fur that turns from brown to white for snow.