Organisms and Ecosystems

All of the following are examples of living things interacting with each other EXCEPT —

• birds preying on insects living in the grass
• squirrels spreading the seeds of trees by burying them
• frogs sleeping in the mud at the bottom of the pond
• fish eating plants and other smaller fish

Plants interact with living and nonliving components in their environment. Which is an interaction with a nonliving element?

• Small insects eating the stems of the plants
• Humans breathing oxygen released by plants
• Bees gathering pollen from flowers of plants
• Sandy soil holding the roots of the plants

A living thing, plants and animals are these.

• Requirements for life
• Habitat
• Location
• Organism

What is the place where a plant or animal finds its needs to survive?

• Habitat
• Location
• Organism
• Survive

An animal that is hunted and eaten by other animals is called what?

• prey
• predator
• decomposer
• producer

A living thing whose food comes from eating other living things is called what?

• predator
• prey
• producer
• consumer

An organism that makes its own food is called what?

• prey
• consumer
• producer
• decomposer

A living thing that breaks down waste and plant and animal remains for its source of energy is called what?

• consumer
• producer
• decomposer
• predator

Many animals in an ecosystem depend on other animals for

• air

• energy

• shelter

• water

Plants are interacting directly with another living element of their environment when they are

• soaking up water

• absorbing sunlight

• attracting insects

• taking in carbon dioxide