Interactions in Ecosystems (Gap Lesson)

Multiple Choice

What is an ecosystem?

• A single plant or animal.

• All the abiotic factors.

• A community of living organisms interacting with each other and their environment.

Multiple Choice

Which of the following is a biotic factor in an ecosystem?

• Sunlight

• Water

• Plants

• Rocks

Multiple Select

In an ecosystem, ________ and ________ are considered abiotic factors.

(Note: Two answers!)

• sunlight

• plants

• temperature

• animals

Multiple Choice

Which biotic factor may only be temporary part of an ecosystem?

• Sunlight

• Water

• People

• Wind

Multiple Choice

Which abiotic factor plays a role in the water cycle?

• clouds

• grasses

• trees

• animals

Multiple Choice

What adaptation helps cacti survive long periods of drought?

• Thick stems to store water.

• Broad leaves to capture sunlight.

• Deep roots to find water.

• Bright flowers to attract pollinators.

Multiple Choice

Desert foxes dig ______ in the sand to escape the extreme heat during the day.

• nests

• burrows

• holes

• tunnels

Multiple Choice

Why are many desert animals nocturnal?

• To avoid predators.

• To find food.

• To conserve water.

• Because temperatures are cooler at night.

Multiple Choice

What is an individual organism?

• A group of different plant species.

• A single living being, such as a plant, animal, or bacterium.

• A collection of ecosystems.

• A non-living object.

Multiple Choice

An individual organism is the basic unit of any ______.

• ecosystem

• planet

• galaxy

• community

Multiple Choice

What is a population in biological terms?

• A single organism.

• A group of organisms from different species.

• A group of organisms from the same species living in the same area.

• A group of organisms living in different areas.

Multiple Choice

What is a community in ecological terms?

• A single species living alone.

• Different populations of species living in the same area.

• A group of trees.

• A single organism.

Multiple Choice

A forest community includes trees, birds, insects, and ________ ________.

• non-living things

• abiotic factors

• other organisms

Multiple Choice

What is the correct order of organization for the only the biotic factors in an ecosystem?

• Organism, Population, Community

• Population, Community, Organism

• Community, Organism, Population

Multiple Choice

What is an ecosystem?

• A place with only living things

• A place with only non-living things

• A place with both living and non-living things

• A place with no living or non-living things

Multiple Choice

In a pond ecosystem, which of the following is a non-living (abiotic) component?

• Fish

• Frogs

• Plants

• Water

Multiple Choice

What is the largest level of organization that includes all ecosystems on Earth?

• Biosphere

• Community

• Population

• Organism

Multiple Choice

The biosphere represents all life on the planet interacting with the ______.

• Universe

• Environment

• Ocean

• Atmosphere