Ecology Review

A snake that eats an insect-eating frog is a:

• primary producer

• tertiary consumer

• secondary consumer

• primary consumer

An example of a biotic factor is:

• soil

• a rock

• water

• a tree

Tags

NGSS.MS-LS2-4

Biotic factors in an ecosystem may include:

• bacteria, soil, and water

• temperature, water, and soil

• animals, fungi, and temperature

• plants, animals, and bacteria

Biodiversity is a measure of the

• variety of nonliving things within an ecosystem

• amount of resources shared by the human population.

• Variety of species within an ecosystem

• Amount of renewable resources within an ecosystem.

Tags

NGSS.MS-LS2-5

All the leopard frogs in a pond make up the pond’s leopard frog:

• population

• niche

• habitat

• ecosystem

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

A crab lives on a beach where it gets food, shelter, and space to live. The beach is the crab’s:

• niche

• community

• habitat

• home

A population of rabbits is at its carrying capacity when the population:

• reproduces

• becomes extinct

• stops growing

• can’t survive

Which list of terms is in the correct order, from simplest to most complex?

• organism, community, population, ecosystem, biome

• organism, population, community, biome, ecosystem

• organism, population, community, ecosystem, biome

• organism, community, ecosystem, population, biome

All the living things in a meadow and the physical environment around them make up the meadow’s:

• community

• population

• ecosystem

• niche

An animal that eats only plants is a:

• primary consumer

• secondary consumer

• tertiary consumer

• primary producer