Ecology Unit Review

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 organism in the biosphere is a(n)

• population

• community

• ecosystem

• species

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

• heterotroph

• consumer

• detritivore

• autotroph

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• organic mass

• trophic mass

• energy mass

• biomass

Tags

NGSS.MS-LS1-6

Which animals are both producers and consumers?

• herbivores

• carnivores

• omnivores

• autotrophs

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

• producer

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS2-2

The branch of biology dealing with interactions among organisms and between organisms and their environment is called

• economy

• modeling

• recycling

• ecology

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Green plants are

• producers

• consumers

• herbivores

• omnivores

Tags

NGSS.MS-LS2-3

All the interconnected feeding relationships in an ecosystem make up a food

• chain

• interaction

• web

• network

Tags

NGSS.MS-LS2-3

Which is a biotic factor that affects the size of a population in a specific ecosystem?

• average temperature

• type of soil

• amount of oxygen

• kinds of predators

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4