Ecosystems

All living things need ___________ to survive.

• soil

• energy

• cold air

Plants get their energy from the sun. People and animals get their energy from __________.

• warm weather

• rich soil

• food

Ecosystems can be large, medium, or small. An example of a large ecosystem, or a biome, would be ________.

• a puddle

• a forest

• the ocean

An example of a medium sized ecosystem would be ________.

• a puddle

• a forest

• the ocean

5. An example of a small sized ecosystem would be ___________.

• a puddle

• a forest

• the ocean

All ecosystems have biotic and abiotic elements. Which of the following would be biotic?

• deer

• water

• air

All ecosystems have biotic and abiotic elements. Which of the following would be abiotic?

• dogs

• sun

• flowers

The ____________ is at the start of all food chains.

• ground

• water

• sun

Which one of these is NOT needed for photosynthesis, which is the process of plants making their own food?

• water

• bees

• carbon dioxide

• sun

Which one of these would a herbivore eat?

• grass

• rabbit

• fox