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Unit 4 Review 2022

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

Plants wilt when there is not enough water in their cells.

a)

True

b)

False

2.

The movement of plant parts in response to the direction of gravity

a)

Phototropism

b)

Heliotropism

c)

Geotropism

d)

Hydrotropism

3.

What is phototropism?

a)

The movement of plants towards light

b)

The movement of plants away from light

c)

The movement of plants in response to infrared light

d)

The movement of plants towards water

4.
A sunflower turns toward the sun, what type of tropism would this be? 
a)
Hypothyroidism 
b)
Phototropism
c)
Thigmotropism
d)
Geotropism
5.
A plant's root grow in a downward direction in response to what force? 
a)
sunlight
b)
gravity
c)
soil
d)
turgor pressure
6.

This image illustrates the concept of

a)

Geotropism

b)

Hydrotropism

c)

Thigmotropism

d)

Phototropism

7.

I lose excess body heat thought my large ears.

a)
b)
c)
d)
8.

What is the main characteristic of a desert?

a)

Sand

b)

Lack of rain

c)

Large amounts of plants

d)

Cactus

9.
Where does photosynthesis take place in the plant cell?
a)
Nucleus
b)
Cytoplasm
c)

Chloroplast

d)
Mitochondria
10.
What are the two products of photosynthesis?
a)
Oxygen and Carbon Dioxide
b)

Oxygen and Sugar

c)
Sunlight and Sugar
11.
Pigment in green plants that captures the energy in sunlight is called _______.
a)
Pigment
b)
Chlorophyll
c)
Stomata
d)
Green Thing
12.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
13.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
14.

The sun gives us what type of energy?

a)

chemical

b)

radiant

c)

potential

d)

kinetic

15.
Cactus have a thick waxy coating on their stem that keeps them from drying out- is this a behavioral adaptation or physical adaptation?
a)
Behavioral adaptation
b)
Physical adaptation 
16.

Scales, claws, and wings are all examples of:

a)

Migration

b)

Behavioral Adaptations

c)

Physical Adaptations

d)

Camouflage

17.

A long-distance journey from one region to another as the seasons change is called:

a)

Migration

b)

Hibernation

c)

Mimicry

d)

Defense Mechanisms

18.

Hibernation, migration, defense mechanisms, mimicry, and mating rituals are all examples of:

a)

Physical Adaptations

b)

Behavioral Adaptations

c)

Camouflage

d)

Biological Fitness

19.

This plant adaptation transports water from roots to the leaves.

a)

Drip-Tips

b)

Thorns

c)

Xylem

d)

Shallow Roots

20.

Which biome consists of very low precipitation and is hot during the day and cold at night? 

a)

savanna

b)

tropical rainforest

c)

tundra

d)

desert

21.

What would be an adaptation to a desert climate? (Select all that apply)

a)

Burrowing underground

b)

Being nocturnal

c)

Conserving/storing water

d)

A thick fur coat

22.

_________ are features that allow organisms to survive and reproduce

a)

Adaptations

b)

Accomodations

c)

Body features

d)

Ecosystems

23.

a change over time in a plant, animal or other organism that makes it better fit for its environment and better able to survive.

a)

drought

b)

adaptation

c)

drought

d)

biome

24.

a flat area of land in which grasses are the primary plant.

a)

drought

b)

continent

c)

grassland

d)

evolve

25.

Grassland are found wherever there is not enough water for most trees to grow, but too much water for a desert to form.

a)

True

b)

False

26.

I am the chef for the ecosystem because I am the only organism that can make my own food.

a)

consumer

b)

producer

c)

decomposer

27.

Which is an example of a producer?

a)
b)
c)
28.
Living things that eat other living things are called...
a)
Consumers
b)
Carnivores
c)
Omnivores
d)
Animals
29.
A decomposer?
a)
Eats dead plants or animals and breaks down to put nutrients in the soil
b)
Eats plants or other animals for food
c)
Makes its own food
30.
Why are plants called producers?
a)
They make carbon dioxide
b)
They decompose
c)

They make or produce their own food

d)
They are omnivores
31.
All animals are...
a)
producers
b)
consumers
c)
carnivores
d)
omnivores
32.
What is the process in which plants use sunlight to create energy?
a)
Photography
b)
Pennsylvania
c)
Cholorophyll
d)
Photosynthesis
33.
A pyramid shape is used to show the amount of available energy at each trophic level because... 
a)
energy decreases as you go up the food chain, just like the pyramid shape gets smaller as you go up. 
b)
energy increases up the food chain just like the pyramid shape gets smaller as you go up. 
c)
energy amounts are the same at each trophic level
34.
Why are producers found at the base of the pyramid?
a)
They create all of the energy and therefore have the most energy of all of the trophic levels
b)
There are more plants than animals. 
c)
They begin the flow of energy in an ecosystem.
d)
All of these answers are correct. 
35.
Question Image

Label each trophic level.

a)

1

1.

Producers

b)

2

2.

Primary Consumers

c)

3

3.

Secondary Consumers

d)

4

4.

Tertiary Consumer

36.
The process of using sunlight, carbon dioxide, and water to make sugar and oxygen is called _________?
a)
chlorophyll
b)
evaporation
c)
photosynthesis
d)
transportation
37.
A living organism that puts materials from dead  plants and animals back to the soil is called a ____________?
a)
carnivore
b)
decomposer
c)
herbivore
d)
omnivore
38.
What do the arrows represent in this diagram?
a)
who is being eaten
b)
the flow of energy
c)
the decomposition of organisms
d)
what things can change into
39.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
40.

A primary consumer 

a)

eats primary consumers

b)

eats producers

c)

eats secondary consumers

d)

eats tertiary consumers

41.

A secondary consumer 

a)

eats primary consumers

b)

eats producers

c)

eats secondary consumers

d)

eats tertiary consumers

42.

A tertiary consumer 

a)

eats primary consumers

b)

eats producers

c)

eats secondary consumers

d)

eats tertiary consumers

43.

Bees are insects that belong to the group of:

a)

BIOTIC

b)

ABIOTIC

44.

Air is a mixture of colorless gases. Air is an example of which type of factor?

a)

BIOTIC

b)

ABIOTIC

45.

Abiotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living parts of an ecosystem

c)

things that once were alive, but now are dead

d)

not important parts of ecosystems.

46.

Biotic factors are ___________.

a)

non-living parts of an ecosystem

b)

living AND once living parts of an ecosystem

c)

things that once were alive, but now are dead

d)

not important parts of ecosystems.

47.

Which of the following is an example of a biotic factor depending on an abiotic factor?

a)

Lions depending on gazelles for food

b)

Trees depending on fungi to break down dead things in the soil

c)

Fish depending on water for habitat and for oxygen

d)

Rabbits depending on grass for food

48.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
49.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
50.

Flock of Geese, field of grass, grasshoppers, soil, rocks, and water

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

51.

Flock of Geese, field of grass and grasshoppers

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

52.

What does the Xylem transport?

a)

Water and Minerals

b)

Glucose

c)

Blood

d)

Chlorophyll

53.

What does the Phloem transport?

a)

Water and Minerals

b)

Glucose

c)

Blood

d)

Chlorophyll

54.

A variation is . . .

a)

when organisms have camouflage like spots or stripes

b)

an organism from a different dimension

c)

when you order different food than your friend

d)

differences between organisms in the same species

55.

All rabbits of the same species living in a particular area would be an example of a(n)

a)

population

b)

species

c)

community

d)

ecosystem

56.

What is pictured here?

a)

An Ecosystem

(all the living things and the non-living things in an environment)

b)

A Community

(all the different living things that live together in an environment)

c)

A Population

(a group of the same living things in the same environment)

d)

An Organism

(a member of a single species)

57.
The direction of the flow of energy in a food web is represented by ___.
a)
Light bulbs
b)
Dotted Lines
c)
Arrows
d)
Bubbles
58.

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

a)

There would be a decrease in the small bird population.

b)

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

c)

There would be a decrease in the mice population.

d)

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

59.

10.- What are the conditions that plants need to germinate?

a)

A) water, warmth, air

b)

B) water, sunlight, air

c)

C) water, sunlight, carbon dioxide

60.

Match the following: Photosynthesis converts energy from the sun into good for plants.

a)

Radiant Energy gets

1.

Converted into chemical energy.

b)

Radiant energy comes from

2.

The Sun.

c)

Chemical energy comes from

3.

glucose, the food that plants make.

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