Test Review 4 UNIT 4

They are all the living and nonliving things in an area such as the animals, plants, water, soil, air , and sunlight together.

• environment

• community

• ecosystem

• population

Look at the picture. What kind of organization is the following.

• nonliving things

• population

• community

• endangered species

The frog eats insects at the pond. This is a description of the frog´s ______________

• niche

• habitat

• community

• ecosystem

All the organisms that live in this place shown in the picture form this.

• niche

• population

• community

• habitat

This is the physical part of the ecosystem where the organisms find all they need to live such as water, food, and shelter.

• niche

• community

• ecosystem

• habitat

This kind of living thing makes its own food through a process called photosynthesis. It is the first level of organization in a food chain.

• consumer

• producer

• decomposer

• fungi

This is the kind of organism that eats plants or other animals to obtain energy.

• consumer

• producer

• plant

• decomposer

This is a very important living thing in the ecosystem because it is en-charged of breaking down wastes and remains of plants and animals for energy.

• producer

• consumer

• population

• decomposer

Look at the image that shows the transfer of energy in a sequence of living things. This represents one in the meadow.

• habitat

• niche

• food chain

• population

The animal shown in the picture is an example of a consumer that eats only plants.

• decomposer

• carnivore

• omnivore

• herbivore