Ecosystem Review

An ecosystem is made of both abiotic and biotic things. Which describes the biotic part of the ecosystem?

• plants that grow in the soil

• the animals that breathe oxygen

• all living things in the environment

• the rocks and soil

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-5

What is likely to happen to a native species if they are competing with a fast-growing invasive species.

• Their numbers will decrease.

• Their numbers will stay the same.

• Their numbers will increase slightly.

• Their numbers will increase greatly.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

What is the best way to classify consumers?

• by size

• by how they move

• by the type of food they eat

• by the type of food they make

Tags

NGSS.MS-LS2-3

What role do abiotic factors play in an ecosystem?

• They control the changes of the seasons.

• They prevent competition among populations.

• They determine which plants and animals can live there.

• They help control the effect humans might have on the ecosystem.

Tags

NGSS.MS-LS2-3

Which of the following has a body structure that will best protect it from an attack by a predator?

• 
• 
• 
• 

Tags

NGSS.MS-LS4-4

A human's skin is most like which part of an oak tree?

• acorn

• bark

• leaf

• root

Tags

NGSS.MS-LS4-2

What does it mean for a backyard ecosystem to have low diversity?

• The number of insect species is very low.

• There are more insect species present in the environment.

• The plant species outnumber the insect and other species.

• There are only a few different species of plants, animals, and insects.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What part of an environment are a swarm of bees?

• ecosystem

• community

• niche

• population

Which of the following is a behavioral adaptation?

• migration

• long claws

• thick skin

• sharp spines

Tags

NGSS.MS-LS1-4

What do the thorns on a rose have in common with hooves on a bison?

• Both are structures that do not help the organism.

• Both are structures that help the organism survive.

• Both are behaviors that help the organism protect itself.

• Both are structures that help the organism adapt to a dry desert.