Ecosystems & Interactions
Biotic vs Abiotic
Succession & Biodiversity
Biomass & Food Chains
Environmental Challenges
100

What is the term for all living and non-living things interacting in a specific area?

Ecosystem

100

Worms, ants, and rabbits are examples of what type of factors?

Biotic Factors

100

What is a series of changes in an ecosystem over time called?

Succession

100

What organisms make their own food and form the base of the biomass pyramid?

producers

100

What do we call a species at risk of extinction?

Endangered species


200

What do we call factors like sunlight, water, and temperature?

Abiotic Factors

200

Air and sunlight belong to which category of environmental factors?

Abiotic factors


200

What type of succession begins on bare rock after a volcanic eruption?

Primary succession


200

What do we call consumers that eat plants and occupy the second level of the pyramid?

primary consumers

200

What do we call a non-native species that disrupts ecosystems?

Invasive Species

300

What is the maximum population size an environment can support?

Carrying Capacity

300

Give three examples of biotic factors.

Plants, animals, fungi


300

What type of succession occurs after a wildfire?

Secondary succession


300

What do we call consumers that eat herbivores and occupy the third level?

Secondary consumers


300

True or false, invasive species are a species that are at risk of disappearing forever

false

400

Name two factors that affect carrying capacity.

Food and water availability


400

Give three examples of abiotic factors.

Water, soil, temperature


400

What is the term for the variety of life in an ecosystem?

Biodiversity


400

What do we call top predators that have no natural enemies?

Apex predators


400

What is the difference between a barn owl and emerald ash borer

A barn owl is endangered
An emerald ash borer is invasive

500

What term refers to the total mass of living organisms in an ecosystem?

Biomass

500

Which abiotic factor is essential for photosynthesis?

Sunlight

500

Scientists have discovered approximately what percentage of species on Earth: 12.5%, 25%, 37.5%, or 50%?

12.5%

500

Arrange these in order from bottom to top of a biomass pyramid: producer, primary consumer, secondary consumer, tertiary consumer, apex predator.

Secondary consumer, apex predator, producer, tertiary consumer, primary consumer


500

Name one major consequence of introducing invasive species to a new habitat.

Loss of biodiversity