Why might some plants have thorns ?

to stay safe from animals that want to eat the plant

to attract insects that spread pollen to other plants

to take in nutrients from the air

What is one reason why some plants have scents ?

to attract animals to spread its pollen

to shed extra water off the plant

to take in nutrients from the soil

to conserve water during dry periods

Why might some plants that grow on the shady rain forest floor have large leaves ?

to take in as much sunlight as possible

to survive harsh winters with heavy snowfall

Some trees shed their leaves in time for winter . Why is this adaptation useful ?

The trees save energy during the darker, colder months.

The trees take in more sunlight through their branches.

The trees attract animals to spread their seeds.

The trees blend into their environment and hide.

Some grasses grow in hot dry areas. Why might they grow deep roots?

to protect the plant from sun damage

to take in as much light as possible

Many plants that live in the tropical rainforest must be able to tolerate -

High levels of nutrients in the soil

Hot temperatures in summer and low temperatures in winter

Desert plants have adaptations for survival, such as -

Leaves with waxy coating or hairy covering

Why do tundra plants typically grow close to the ground?

To avoid the wind and conserve heat

This allows their roots to grow very deep

To prevent herbivores from eating them

1. What is an adaptation?

A feature or behavior that helps an animal survie.

How energy moves in a food web.

Which of these BEST describes how some birds survive when the weather gets cold?

b. They migrate to a warmer climate

a. They store twigs and sticks in their nest

c. They grow more feathers to stay warm in the winter

d. They hide in bushes and wait for warm weather

Why would a bunnies fur be brown in the summer and white in the winter?

The changing of fur color help the bunny blend in with it's surroundings.

The rabbit likes to change fur color

The bunny learned it from his parents

The apple snail lives in ponds, lakes, and rivers. The apple snail is the largest snail found in the freshwaters of North America. The illustration shows an apple snail. How is the structure labeled X an adaptation for the apple snail?

The apple snail uses this structure to protect itself from predators.

The apple snail uses this structure to find food.

The apple snail uses this structure to reproduce.

The apple snail uses this structure to digest its prey.

The state reptile of Florida is the American alligator. Reptiles rely on the environment to maintain their body temperature. Which behavioral adaptation below allows the alligator to control its body temperature?

The alligator basks in the sunlight.

Alligators mate in April and May.

Alligators lay between 20 and 50 eggs at one time.

The alligator eats turtles, small mammals, and birds.

It is estimated that fewer than 100 Florida panthers are still living. Florida now has a protected habitat for the panther. How will the protected habitat affect the panthers?

The panther population may increase now that they are being conserved in a protected habitat.

The panthers will probably become extinct.

Panthers will no longer be adapted to living in Florida.

The Florida panther population will decrease in the near future.

Tom sketched this picture of an epiphyte from a book about tropical forests. How is this plant adapted to the ecosystem in which it lives?

It has roots that attach to trees so that it can reach sunlight that is scarce on the forest floor.

It has a trunk tall enough to reach above nearby trees and compete for sunlight.

It has long roots that reach deep enough into the dry soil to reach underground water.

It has leaves that capture and digest insects, which it needs for nutrients missing from soil.

Water lilies live in lakes and ponds. The lilies have very long stems. The picture shows a water lily in a pond. How do long stems help water lilies live in ponds?

They enable the pads and flower to reach sunlight.

They absorb food for the plant.

They absorb water from the pond.

They prevent the plant from floating away.

Which choice correctly shows the gases that enter and exit plants during photosynthesis?

Enter: Carbon dioxide Exit: Oxygen

Enter: Oxygen Exit: Carbon dioxide

Enter: Water vapor Exit: Glucose

The cactus plant lives in a desert environment. Which characteristic of this plant could be found in many other desert plants?

Leaves and stems that are adapted to conserve water

Broad leaves that protect the plants from the hot sun

Lush growth that serves to trap water if it rains

A deep root system for gathering water

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.

What would most likely happen if an ecosystem no longer received sunlight?

All living organisms would eventually die

The number of herbivores would increase

The number of plants would increase

Examples of how humans negatively affect local ecosystems are

Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.

Creating laws to prohibit fishing from local streams.

Planting trees and other plants to attract native species.

Removing non-native species from the environment.

Which answer is true regarding biodiversity?

An ecosystem is healthier when the biodiversity is great.

As long as there are enough producers, an ecosystem is considered to have a good amount of biodiversity.

The rain forest has an unhealthy ecosystem because its biodiversity is too great.

Biodiversity is positively affected when non-native species are introduced into an environment

Which ecosystem below describes a stable ecosystem?

This ecosystem suffered a tornado, but due to great biodiversity, it was able to be restored.

An invasive species decreased the amount of biodiversity by half

This ecosystem’s deer have increased due the loss of a predator population, now the producer population has decreased by ¼.

This ecosystem is impacted by overfishing, causing 3 fish species to become extinct.

How might deforestation impact this ecosystem?

Insects and birds will decrease

Insects and birds will increase

Describe what would happen to the zebra population and the plant population if the cheetah and hyena both left the ecosystem.

The zebra population would greatly increase, causing the plant population to decrease.

The zebra population would decrease with the absence of predators; the plant population would stay the same.

The zebra population would decrease, causing the plant population to increase.

The zebra population would greatly increase, causing the plant population to also increase.

Environmental Biology Review

Quiz

•

Biology

•

9th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-LS2-1, MS-LS2-4, MS-LS1-5

+8

Standards-aligned

Grace Newsom

Used 2+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would happen if insects stopped gathering pollen?

Flowers might lose their color.

Flowers might lose their scents.

Flowers might die out.

Flowers might grow in more places.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Some spines on a cactus help collect _________________.

sunlight

water

sand

roots

Tags

NGSS.MS-LS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The thin, waxy skin of the cactus helps make sure that the water doesn't _____________.

evaporate

survive

folds

spines

Tags

NGSS.MS-LS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sharp _________________ protect the cactus.

evaporate

survive

folds

spines

Tags

NGSS.MS-LS4-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a habitat?

to travel from one place to another when the seasons change

a path or course

the natural home of an animal or plant

an animal that hunts other animals for food

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This plant is growing its roots towards water, this is an example o

thigmotropism

gravito tropism

Hydrotropism

phtotropism

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

plant growing towards sun light shows

thigmotropsim

phototropism

hydrotropism

geotropism

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Environmental Biology Review

50 questions

What would happen if insects stopped gathering pollen?

Some spines on a cactus help collect _________________.

The thin, waxy skin of the cactus helps make sure that the water doesn't _____________.

Sharp _________________ protect the cactus.

What is a habitat?

This plant is growing its roots towards water, this is an example o

plant growing towards sun light shows

when the plant respond to touch this is an example of

Why might some plants have thorns?

What is one reason why some plants have scents?

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