LS 2.1

The study of interactions in an ecosystem.

• ecology

• philosophy

• scientology

• biology

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

_{If the amount of food or resources available increases, the carrying capacity for an animal:}

• Stays the same

• Increases

• Decreases

• Fluctuates

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease

• stay the same

• increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

All the members of one species (organisms) that live within an area of an ecosystem is a?

• population

• community

• niche

List the steps of the scientific method

d

e

f

c

b

a

Analyze results

Form a hypothesis

Conduct experiment

Communicate results

Ask a question

Draw conclusions

Which of the following would have a negative impact on an ecosystem

• constructing highways

• planting trees

• recycling paper

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

An organism's ? is defined as the environment in which it lives.

• Habitat

• Niche

• Social Structure

• Ecology

Which of the following has the levels of organization in increasing order?

• ecosystem, community, population, habitat, niche, organism

• community, ecosystem, population, organism, niche, habitat

• population, community, habitat, niche, ecosystem, organism

• organism, niche, habitat, population, community, ecosystem

A population of small fish and a population of small squids eat the same type of krill (a type of plant) in the same ecosystem. Krill is the main source of food for both the fish and squid. If the squid grows faster than the fish population, what will most likely happen to the fish population?

• The fish population will stay the same size.

• The fish population will start to grow faster.

• The fish population will get smaller or even die out.

• The fish population will start to eat more krill than the squids.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The part of Earth where organisms can live.

• biotic factors

• biosphere

• ecology

• biology