Which adaptations could help a plant survive in a desert?

Ability to store water during droughts

Requires lots of water to survive

Lose leaves during winter when there is not much sunlight

Releasing large amounts of water during transpiration

an organisms that uses sunlight to make its own food

an organism that gets energy from eating other organisms

an organism that gets energy from eating dead organisms, non-living material or waste

an organism that uses chemical energy to make its own food

the variety of species within an ecosystem

a large number of the same species in an ecosystem

an abundant amount of the same primary consumers

the ability to have an abundant source from the same species

What may happen if the snowshoe hare was removed from the food web pictured?

The shrew population would decrease due to being only hawk food source.

The insects in the habitat would increase.

The willow tree population would decrease.

Foxes would dies due to no food source.

What are adaptations that help the horned lizard survive in deserts?

Tan rough skin that helps them hide from predators

Shooting blood from eyes to scare away predators

Legs that help swim in large lakes and rivers

Ability to survive extremely cold temperatures

How is nitrogen "fixed" into a usable form for plants?

Through action of bacteria and lightning

Through action of bacteria only

Eats dead plants or animals and breaks down to put nutrients in the soil

Eats plants or other animals for food

Which of these best explains why predators need plants, such as grass, in their ecosystem?

Plants provide food for their animals that the predators eat

Plants are a large part of their diets

Plants provide safety for predators

Plants break down the organisms that the predators eat

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

There would be a decrease in the grass/flowers population.

There would be a decrease in the small bird population.

There would be a decrease in the mice population.

There would be an increase in the grass/flowers population.

Only 10% of energy moves up from one level to the next in a food pyramid. What happens to the other 90% of energy?

It is lost to heat and bodily processes

It all goes to the top predator

What role do decomposers play in an ecosystem?

They break down dead organisms and recycle nutrients.

They produce energy from sunlight.

They consume primary consumers.

They compete with producers for resources.

organisms which capture energy from nonliving sources (like the sun) and converts it into forms living cells can use

organisms which acquire energy from other organisms, usually by eating them

organisms that break down dead or decaying organic material

Match each symbiotic relationship with an example

Fig wasps pollinate flowers in a fig fruit

A bird builds a nest on a tree without damaging the tree

A lion and a hyena fight over a zebra carcass

A tapeworm lives inside the intestines of a host, stealing nutrients

Match each symbiotic relationship with an example

Bacteria living in the roots of legumes get O2 and carbohydrates from roots while the plant gets fixed Nitrogen

Cattle egrets eat bugs that fly away from grass when large mammals walk

Prairie chickens perform mating dance to win access to a mate

Dwarf mistletoe grows on the branches of a tree and steals its nutrients

Match each symbiotic relationship with an example

Bacteria in the intestines of humans get food and help the human digest food

Praying mantis hides itself from its prey by blending in with a flower

A meadowlark kills and eats an insect

Two plants grow large root systems to access limited water supplies

A leach sucks blood from a swimmer in a lake

Pupfish have been living in a saltwater lake for thousands of years. over time, the lake has been slowly getting smaller. Which of the following is most likely to happen as a result of the lake shrinking?

There will be fewer pupfish because there will not be enough space for them.

There will be more pupfish because there will be plenty of space for them.

The lake will become saltier because more pupfish will grow.

The lake will become less salty because fewer pupfish will grow.

There are areas in the oceans that are called dead zones. These areas do not have enough air for living things to survive. Marine life in these areas either die or leave. Areas that would normally have many organisms become underwater deserts instead. The immediate problem that causes living things to leave the area is....

They do not have air to survive.

They do not have water to survive.

They do not have nutrients to survive.

They do not have plants to survive.

Students in Mr. Jackson's class planted trees beside a stream one weekend. Why was this helpful for the environment?

The trees and their roots will help prevent erosion.

Trees are a beautiful addition to any landscape.

The students stayed busy and kept out of trouble.

Trees cause the weather to become sunnier.

Unit 1 Ecology Review

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9th Grade

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Practice Problem

•

Medium

•

NGSS

MS-LS2-3, MS-LS2-2, MS-LS1-6

Standards-aligned

Erika Demel

Used 6+ times

FREE Resource

50 questions

Show all answers

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An organism that needs to eat other organisms to obtain energy is known as a:

Autotroph

Producer

Consumer

Mutualist

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The rabbit in this food web would be considered a:

Decomposer

Producer

Secondary Consumer

Primary Consumer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The amount of energy that usually transfers from one trophic level to the next...

10%

20%

80%

50%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The nonliving aspects of an ecosystem.

Abiotic factors

Biotic factors

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The living portions of the ecosystem.

Biotic factors

Abiotic factors

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-2

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As you move upward, from level to level, in an energy pyramid, energy _____.

increases

decreases

stays the same

increases exponentially

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

plants that convert energy from the sun

decomposer

primary consumer

heterotroph

autotroph

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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Unit 1 Ecology Review

50 questions

An organism that needs to eat other organisms to obtain energy is known as a:

The rabbit in this food web would be considered a:

The amount of energy that usually transfers from one trophic level to the next...

The nonliving aspects of an ecosystem.

The living portions of the ecosystem.

As you move upward, from level to level, in an energy pyramid, energy _____.

plants that convert energy from the sun

Which adaptations could help a plant survive in a desert?

Example of a decomposer

What is a producer?

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