AP Ecology

Which of the following best explains why there are usually no more than five trophic levels in a food chain

• there are not enough organisms to fill more than five levels

• there is too much competition among the organsims at the lower levels to support high levels

• the statement is not true: there can be unlimited trophic levels

• energy is lost at each trophic level

Tags

NGSS.MS-LS2-3

Which of the following is a primary consumer in this food web?

• Foxes

• Carrots

• Mice

• Owls

Tags

NGSS.MS-LS2-2

Which of the following best explains why there are seldom more than five trophic levels in a food chain?

• Most carnivores function at more than one trophic level

• Trophic levels about this numbers contain too many individuals

• Energy is lost from each trophic level

• The ecosystem contains too much biomass

Tags

NGSS.MS-LS2-3

These organisms break down decaying biotic wastes and then return the materials to the ecosystem.

• decomposers

• scavengers

• carnivores

• producers

Tags

NGSS.MS-LS2-3

A deceased body was found in the snow this will cause a ​ (a)   insect activity, and in the decomposition process.

• decrease

• increase

• not effect

• speed up

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is an autotroph?

• Carrots

• Birds

• Mice

• Grasshopper

Tags

NGSS.MS-LS2-3

which of the following encompasses all the others

• ecosystem

• community

• population

• individual

Tags

NGSS.MS-LS2-5

Animals from 2 difference species utilize the same source of nutrition in one area. Is most accurate to say that the animals

• will learn to get along

• will compete for food

• will die

• will learn to eat different food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What level of ecological organization would include all squirrels that live in the same area?

• biome

• community

• ecosystem

• population

All the different populations that live together in an area make up a(n)

• community.

• ecosystem.

• organism.

• species.