Dynamic Ecosystem Unit Test

The largest number of individuals of one species that an ecosystem can support over time is its _______________

• biotic potential

• carrying capacity

• population

• symbiosis

A symbiotic relationship that benefits both species is referred to as _______________

• commensalism

• parasitism

• mutualism

• predator/prey

An ___________ consists of living and nonliving things in an area

• species

• community

• population

• ecosystem

All the populations in the area _____________

• species

• community

• ecosystem

Tags

NGSS.MS-LS2-4

Which of these are limiting factors?

select all that apply

• food supply

• shelter

• water

• all of these

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In a predator-prey relationship.......

• the predator hunts the prey for food

• the prey hunts the predator for food

• the prey keeps the predator population from growing too large

• the prey are producers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Match the following

• mutualism

• fleas & ticks on animals

• commensalism

• sea anemones protect crabs and eat the leftovers from crab meals

• parasitism

• white cow birds stay around groups of cattle to get insects and food when they walk around

Tags

NGSS.MS-LS2-2

A climax community is one that .......

• is about to experience a major change

• has just been radically altered by a natural disaster

• is a stable community that no longer goes through major ecological change

• is always characterized by large trees

When plants in an area undergoing ecological succession die, ........

(pick all that apply)

• no plants grow in their place

• they are replaced by plants of the same species

• they are replaced by plants of a different species

Tags

NGSS.MS-LS2-4

The progression shown in the diagram shows __________.

• primary succession

• secondary succession

• aquatic succession

• weathering & deposition

Tags

NGSS.MS-LS2-4