Ecosystem Test Review

How are oceans and estuaries similar?

• Both are very deep waters

• Both have a midnight zone

• Both have salt content

• Both have fresh water

Tags

NGSS.MS-ESS2-4

Which list of organisms could be found in a deciduous forest?

• rabbits, deer, bears

• jellyfish, crabs, dolphins

• prairie dog, lions, zebras

• jaguar, toucan, insects

Tags

NGSS.MS-LS2-1

What is the main difference between a grassland and a temperate forest?

• a grassland receives more rain than a forest

• a grassland has fewer trees than a forest

• a grassland has more trees than a forest

• a grassland is found along eastern North America

Which answer choice shows along biotic factors?

• bacteria, leopard, soil

• bacteria, rain, frog

• soil, temperature, sunlight

• bacteria, bear, grass

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

Which of the following BEST explains why decomposers are important in an ecosystem?

• they are at the top of every food chain

• eat things other organisms do not eat

• they make up a large portion of the top layer of soil

• break down organic material into parts that can be reused in the soil

Tags

NGSS.MS-LS2-3

A raccoon eats a variety of different foods that includes both plants and other animals. Their niche in an ecosystem is __________.

• omnivore

• carnivore

• herbivore

• decomposer

A fox depends on rabbits as his main source of energy. Which would most likely happen if the rabbit population decreases?

• The fox population will increase.

• The fox population will decrease

• The fox population will remain the same.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is the primary source of energy for plants?

• Consumers

• Decomposers

• The sun

• Scavengers

Tags

NGSS.MS-LS1-6

The diagram below shows a simple food chain.

grass ---> rabbit ----> snake

If the predator of the snake were introduced to the ecosystem, which would most likely happen?

• The grass population will increase.

• The rabbit population will decrease.

• The rabbit population will increase.

• The snake population will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which food chain shows the correct flow of energy?

• sun <--- grass <---- caterpillar <--- bird

• sun ---> grass ---> caterpillar ---> bird

• sun ---> caterpillar ---> grass ---> bird

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3