Ecology

A localized group of organisms that belong to the same species is called a

• community
• population
• ecosystem
• family

In a tide pool, 15 species of invertebrates were reduced to 8 after one species was removed. The species was likely a(n)

• keystone species
• herbivore
• abiotic organism
• mutualistic organism

Tags

NGSS.MS-LS2-4

A cow's herbivorous diet indicates that it is a(n)

• autotroph
• decomposer
• secondary consumer
• primary consumer

Which of the following terms encompasses (includes) all of the others?

• primary consumers
• herbivores
• carnivores
• heterotrophs

In a typical grassland community, which of the following is the fewest in number?

• hawk
• grass
• grasshopper
• snake

The number of organisms of a particular species that an environment can support is called

• the biotic number
• the carrying capacity
• the statute of limitations
• tolerance

Tags

NGSS.MS-LS2-4

A certain desert has very high temperatures, low precipitation, sparse vegetation and little available food. This statement best describes

• the carrying capacity of the desert
• only abiotic factors in the desert
• all the biotic factors in the desert
• the limiting factors that species face in the desert

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms is called a(n)

• tolerance
• limiting factor
• population distribution
• carrying capacity

Tags

NGSS.MS-LS2-4

A certain forest can support a population of 300 squirrels. This statement best describes

• the limiting factors that squirrels face in the forest
• the tolerance of squirrels for changes to their environment
• the carrying capacity of the forest for squirrels
• the predator-prey relationship of squirrels and foxes

Tags

NGSS.MS-LS2-4

These organisms can also be called herbivores because they eat plants or algae.

• secondary consumers
• primary consumers
• primary producers
• tertiary consumers