Mid-Unit 4 Exam Study Guide

What observable trend can be seen in the lynx population between 1920-1925?

• Increasing due to an increase in hares

• Decreasing due an increase in hares

• Decreasing as the hare population troughs

• Increasing as the hare population peaks

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

In 1845, what is the most likely reason the hare population begins to increase?

• Due to a decrease in lynx population

• Due to an increase in lynx population

• Due to a lack of available food

A predator is ...

• An organism that eats plants

• An organism that hunts and eats other organisms

• An organism that gets eatten

• An organism that breaks down dead matter

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

A peak in prey populations is usually followed by ...

• A decrease in predators

• An increase in predators

• An increase in disease

• An increase in producers

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Predator populations usually peak after prey populations peak because ...

• more food is available

• less food is available

• more habitat is available

• less habitat is available

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Multiple populations of organisms can live in the same habitat because ...

• they have different niches

• there is no competition for resources

• there is plenty of space available

• they have the same niches

Tags

NGSS.MS-LS2-5

Species A and Species B live on a coral reef. Species A eats the algae growing on the coral. Species B scavenges for food particles left over by fish. These species do not compete because

• Same habitat, different niches

• Different habitats, same niches

• Same habitat, same niches

• Different habitats, different niches

Flamingos have long legs and curved bills to gather food from deeper water along the shore. Sand plovers have short legs and pointed bills to dig for food in the sand along the shore. They do not compete for resources because ...

• Their adaptations help them fill different niches

• Their habitats are different but their niches are the same

• Their niches are the same but their habitats are different

• Their adaptations allow them to live in different habitats

A habitat is defined as an organism's ...

• Job or role

• Home

• Diet

• Structural adaptations

The niche that an organism has in the ecosystem can be described as it's ...

• Home

• Job or role

• Diet

• Trophic level