7th Grade Pre-Assesment- Ch. 4 Ecosystems and Biomes

If an owl eats a mouse that eats grass, the owl is a...

• producer

• second - level consumer

• first - level consumer

• decomposer

A group of land ecosystems with similar climates and organisms is called a(n)...

• energy pyramid

• climate

• biome

• food web

Consumers that eat both plants ad animals are callad...

• omnivores

• herbivors

• carnivores

• scavengers

Vultures, which feed on bodies of dead organisms are...

• first - level consumers

• scavengers

• producers

• herbivores

Which ecosystem is found where the fresh water of a river meets the salt water of the ocean?

• estusary

• neritic zone

• surface zone

• rocky intertidal zone

Which of the following is an example of how human activities may harm the balance in an ecosystem?

• captive breeding

• poaching

• creating wildlife perserves

• planting native plants

The nonliving parts of an ecosystem are called...

• populations

• organisms

• biotic factors

• abiotic factors

The place where an organism livs and that provides the things that the organism needs is called its

• habitat.

• population.

• species.

• community.

Which of the following is an example of a population?

• the cats and dogs in your neighborhood

• the bushes and grass in a park

• the rocks in a rock collection

• the gray wolves in a forest

The study of how things interact with each other and with their environment is called

• ecology.

• photosynthesis.

• community.

• biotic studies.