5th Grade Science Semester 1 Test

Front

What is a biotic factor in an ecosystem?

Back

A biotic factor is a living component that affects the size of a population, such as the number and kinds of predators.

Front

What happens to the bird population if pesticides are used to control insects?

Back

The bird population will most likely decrease because they depend on insects for food.

Front

What is a hypothesis?

Back

A hypothesis is a statement predicting what will happen during an investigation.

Front

What is an herbivore?

Back

An herbivore is an organism that feeds only on plants.

Front

What is an ecosystem?

Back

An ecosystem is the complex interactions of different organisms with one another and with their environment.

Front

What is a carnivore?

Back

A carnivore is an organism that primarily feeds on other animals.

Front

What is an omnivore?

Back

An omnivore is an organism that eats both plants and animals.

Front

What is a population in ecological terms?

Back

A population is a group of individuals of the same species living in a specific area.

Front

What is a community in ecology?

Back

A community is made up of different populations of organisms living together in a specific area.

Front

What is a biome?

Back

A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.