Ecology Review Honors Bio

Which of the following descriptions about the organization of an ecosystem is correct?

• Communities make up species, which make up populations.

• Populations make up species, which make up communities.

• Species make up communities, which make up populations.

• Species are grouped in populations, which make up communities.

The simplest grouping of more than one kind of organism in the biosphere is a(an)

• population.

• community.

• ecosystem.

• species.

zooplankton are the which of the following in the food chain?

• consumers

• decomposers

• producers

• autotrophs

Tags

NGSS.MS-LS2-3

The algae at the beginning of the food chain are

• consumers

• decomposers

• producers

• heterotrophs

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)

• heterotroph

• consumer

• detritivore

• autotroph

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The total amount of living tissue within a given trophic level is called the

• organic mass

• trophic mass

• energy mass

• biomass

Tags

NGSS.MS-LS2-3

What animals eat both producers and consumers?

• herbivores

• omnivores

• chemotrophs

• autotrophs

A frog that has eaten an insect that fed on a plant is a

• producer

• secondary consumer

• tertiary consumer

• primary consumer

Tags

NGSS.MS-LS2-3

A snake that eats a frog that has eaten an insect that fed on a plant is a

• producer

• secondary consumer

• tertiary consumer

• primary consumer

Tags

NGSS.MS-LS2-3

The trophic levels in the picture illustrate

• the relative amount of energy

• the amount of living organic matter

• the relative number of individual organisms

• the producers outnumber first-level consumer

Tags

NGSS.MS-LS2-3