Ecosystems

What things found in an environment make up an ecosystem?

• People

• Living things such as plants and animals

• Non-living things such as water, Sun, and soil

• All of the above

An example of a biome is:

• A very small ecosystem like a puddle

• A very large ecosystem such as a savanna or rainforest

• Communities of plants and animals that live in a specific region

• Both B and C

Terrestrial biomes are…

• Non-living things such as a book or a pencil

• Land-based communities such as a desert

• Water-based communities such as a marine region

• A place where no life forms exist such as the moon

Organisms are living things that carry out basic life functions such as:

• Get energy from the sun

• Grow and develop

• Reproduce

• All of the above

People, animals, and ____________________ are all organisms.

• plants

• pencils

• money

• air

Everything on Earth can be put into two groups: biotic and abiotic. Which list below gives examples of biotic things?

• Water, sunlight, computers, and books

• Rocks, soil, and oxygen

• Trees, animals, flowers, and humans

• Plants, sunlight, animals, and rocks

Plants do not eat, so they have to ____________their own food through a process called _________________________.

• find, decompose

• make, photosynthesis

• consume, microbiomes

• look for, aquatic biomes

How do decomposers such as earthworms and ants help the Earth?

• They break down decaying matter and return nutrients back to the soil.

• They don’t need any sunlight and provide us with oxygen

• They help animals find shelter in the wild.

• They add water to the soil in very dry climates.

_____________________in the soil helps plants grow and produce leaves, seeds, or fruits.

• Carbon dioxide

• Chloroplasts

• Nutrients

• Nectar

Plants need all of the following except ________________to make their own food.

• Oxygen

• Carbon dioxide

• Water

• Sunlight