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Unit 1: Ecology

Total questions: 90

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

What term describes all the living and nonliving parts of an environment and their interactions?

a)

Population

b)

Ecosystem

c)

Community

d)

biosphere

2.

A group of lions living together in the same area at the same time is called what?

a)

Population

b)

Ecosystem

c)

Community

d)

Species

3.

In a national park, there are herds of zebras, prides of lions, and flocks of birds all living together. What is this group of all the populations called?

a)

Population

b)

Ecosystem

c)

Community

d)

Species

4.

Lions in the savanna share most characteristics and can breed with one another. What is this group of lions called?

a)

Population

b)

Ecosystem

c)

Community

d)

Species

5.

What are the living parts of an ecosystem called?

a)

biotic factors

b)

abiotic factors

6.

Light, temperature, weather, soil, space, and water are examples of what type of factors?

a)

biotic factors

b)

abiotic factors

7.

What is the term for the place where an organism lives?

(a)  

8.

What is the process where plant cells use sunlight to make food?

a)

cellular respiration

b)

photosynthesis

c)

glucose

d)

carbon dioxide

9.

What is the process by which cells break down sugar to release energy?

a)

cellular respiration

b)

photosynthesis

c)

glucose

d)

carbon dioxide

10.

¿Cuál es la fórmula del oxígeno?

a)

O2

b)

C6H12O6

c)

N2

d)

CO2

11.

¿Cuál es la fórmula de la glucosa?

a)

O2

b)

C6H12O6

c)

N2

d)

CO2

12.

¿Cuál es la fórmula de la glucosa?

a)

O2

b)

C6H12O6

c)

N2

d)

CO2

13.

¿Cuál es la fórmula del dióxido de carbono?

a)

O2

b)

C6H12O6

c)

N2

d)

CO2

14.

Hydrogen, oxygen, and carbon are found in nutrients that are quickly broken down to release energy. What are these nutrients called?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nutrients

15.

What are the compounds that provide energy and building materials for living things called?

a)

nutrients

b)

carbohydrates

c)

lipids

d)

proteins

16.

What are the compounds that provide energy and building materials for living things called?

a)

nutrients

b)

carbohydrates

c)

lipids

d)

proteins

17.

Fats and oils belong to which group?

a)

nutrients

b)

carbohydrates

c)

lipids

d)

proteins

18.

Fats and oils belong to which group?

a)

nutrients

b)

carbohydrates

c)

lipids

d)

proteins

19.

Which nutrient is made of carbon, hydrogen, oxygen, and nitrogen?

a)

nutrients

b)

carbohydrates

c)

lipids

d)

proteins

20.

Glucose is an example of this nutrient.

a)

nutrients

b)

carbohydrates

c)

lipids

d)

proteins

21.

What are the reactants needed for photosynthesis?

a)

sunlight + carbon dioxide

b)

carbon dioxide + oxygen

c)

carbon dioxide + water

d)

glucose+water

22.

What are the products of photosynthesis?

a)

glucose + oxygen

b)

carbon dioxide + oxygen

c)

carbon dioxide + water

d)

glucose+water

23.

¿En qué parte de la célula ocurre la fotosíntesis?

a)

Célula animal

b)

glucosa

c)

mitocondria

d)

Cloroplastos

24.

What is the name of the green pigment in plant leaves that captures sunlight energy?

a)

glucose

b)

chlorophyll

c)

organelles

d)

chloroplasts

25.

What is the process that is the opposite of photosynthesis called?

(a)  

26.

What is the process where cells break down sugar to release energy?

a)

photosynthesis

b)

cellular respiration

c)

water cycle

d)

carbon cycle

27.

Which are the reactants in cellular respiration?

a)

glucose + oxygen

b)

carbon + water +ATP

c)

carbon dioxide + glucos

d)

water + oxygen

28.

What are the products of cellular respiration?

a)

glucose + oxygen

b)

carbon + water +ATP

c)

carbon dioxide + glucos

d)

water + oxygen

29.

Plants make their own food using sunlight. What type of organism are they?

a)

autotrophs

b)

heterotrophs

c)

Decomposers

d)

trophic level

30.

What are organisms called that cannot make their own food and get it by eating other organisms?

a)

autotrophs

b)

heterotrophs

c)

Decomposers

d)

trophic level

31.

Mushrooms grow on dead logs and leaves and get energy by breaking down dead organisms and wastes. What are these organisms called?

a)

autotrophs

b)

heterotrophs

c)

Decomposers

d)

trophic level

32.

Energy moves from plants to rabbits, then to snakes, and finally to eagles. What is each feeding level called?

a)

autotrophs

b)

heterotrophs

c)

Decomposers

d)

trophic level

33.

A plant in sunlight takes in carbon dioxide and water. What are the products of photosynthesis?

a)

Carbon dioxide and water

b)

Oxygen and glucose

c)

Carbon dioxide and oxygen

d)

Glucose and carbon dioxide

34.

One product of photosynthesis that animals breathe is ____.

a)

carbon dioxide

b)

oxygen

c)

cyanobacteria

d)

phytoplankton

35.

How do strawberry plants make their own food? Plants use photosynthesis to make

a)

water

b)

sunlight

c)

carbon dioxide

d)

sugar

36.

How do trees get their energy?

a)

they produce food through photosynthesis

b)

they eat grass

c)

they absorb nutrients from decomposing plants and animals

d)

they eat animals

37.

Which gas is a reactant in photosynthesis in a tree?

a)

oxygen

b)

Water

c)

carbon dioxide

d)

nitrogen

38.

What do you call an animal that only eats plants?

a)

niche

b)

carnivore

c)

parasite

d)

herbivore

e)

predator

39.

Which equation does the diagram show?

a)

Oxygen + Water + Sunlight = Carbon dioxide + Glucose

b)

Glucose + Water + Sunlight = Carbon dioxide + Oxygen

c)

Water + Carbon dioxide + Sunlight = Glucose + Oxygen

d)

Carbon dioxide + Glucose = Sunlight + Water + Oxygen

40.

What process takes place in the chloroplast?

a)

Cellular Respiration

b)

Photosynthesis

41.

Is water a/an ________________?

a)

Biotic Factor

b)

Abiotic Factor

42.

Which form of energy is stored in glucose made by plants during photosynthesis?

a)

solar energy

b)

chemical energy

c)

mechanical energy

d)

thermal energy

43.

Which substance is needed as a reactant for cellular respiration?

a)

carbon dioxide

b)

oxygen

c)

water

d)

chlorophyll

44.

What is the main source of energy on Earth?

a)

Water

b)

Sun

c)

Consumers

d)

Oxygen

45.

A bear catches and eats a fish in a river to get energy. What is the bear known as?

a)

Autotroph

b)

Producer

c)

Consumer

d)

Mutualist

46.

A plant uses sunlight to make its own food. What is this type of organism called?

a)

Producer

b)

Heterotroph

c)

Consumer

d)

Decomposer

47.

What does a food chain show in a meadow with grass, a grasshopper, a mouse, a snake, and a hawk?

a)

How all living things in a habitat are connected.

b)

Everything a certain animal eats.

c)

How plants make their own food.

d)

A single path of energy transfer in a habitat.

48.

In a food chain with grass, a grasshopper, and a bird, what do the arrows represent?

a)

They point to the organism that is being eaten.

b)

It shows how sunlight flows within an ecosystem.

c)

They show what direction the energy is flowing between organisms. 

d)

They represent how water is transferred within a habitat.

49.

Oliver and Jade are looking at a diagram showing how animals and plants in a forest are connected by what they eat. What does a food web show?

a)

All connections of energy flow throughout all organisms in a habitat.

b)

The specific ways that mutualism is carried out.

c)

A single pathway or energy flow between organisms.

d)

How carnivores get their food.

50.

In a food web, why might a frog have more than one arrow coming from it?

a)

More than one organism may eat them.

b)

They may eat more than one other organism.

c)

This organism gets its energy from multiple sources.

d)

They have no resources available to them.

51.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
52.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
53.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
54.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
55.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
56.
The image provided is an example of a(n):
a)
Autotroph
b)
Carnivore
c)
Herbivore
d)
Decomposer
57.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
58.

Consumer that eats both plants and animals

a)

omnivore

b)

fungivore

c)

carnivore

d)

herbivore

59.
TRUE  or FALSE: Food webs are several food chains that are linked together.
a)
TRUE
b)
FALSE
60.
What does the arrow mean in a food chain or food web?
a)
An organism comes next
b)
Gets eaten by
c)
Go left
d)
Go right
61.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
62.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
63.
This type of consumer only feeds on the bodies of dead animals.
a)
Herbivore.
b)
Decomposer.
c)
Carnivore.
d)
Scavenger
64.
How much energy is available to be passed on to the next trophic level in an ecosystem?
a)
100%
b)
10%
c)
50%
d)
75%
65.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
66.
The krill is eaten by which consumer?
a)
blue whale
b)
phytoplankton
c)
leopard seal
d)
penguin
67.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
68.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
69.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
70.
TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.
a)
True
b)
False
71.

How is the carbon cycle similar to the water cycle?

a)

Both involve liquid substances falling to the Earth from the atmosphere?

b)

Neither process works at low temperature.

c)

Both involve the transfer of substances between animals, plants, and the Earth.

d)

Both involve the transfer of substances between the earth and outer space.

72.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
73.
Respiration is the process by which animals take in _____ and release _____. 
a)
photosynthesis, air
b)
carbon, oxygen
c)
oxygen
d)
oxygen, carbon dioxide
74.

Which gas do animals release, that plants depend on for survival?

a)

Carbon dioxide

b)

Oxygen

c)

Sunlight

d)

Water

75.

Which of the following processes does NOT move carbon to the atmosphere?

a)

Animal respiration (Breathing)

b)

Volcanic eruption

c)

Photosynthesis

d)

Burning fossil fuels

76.

Organisms that do not decompose can be buried and become what part of the lithosphere?

a)

water

b)

nutrients

c)

air

d)

fossil fuels

77.
Which one of these does not add CO2 to the atmosphere?
a)
cooking with gas
b)
planting trees
c)
burning wood
d)
riding in a bus
78.

How do plants affect the air that animals and people breathe?

a)

Plants use oxygen from the air to make their own food

b)

Plants release pollution into the air

c)

Plants take in carbon dioxide and release oxygen

d)

Plants take in oxygen and release carbon dioxide

79.

Why does cutting down trees increase global warming?

a)

trees soak up carbon dioxide and removing them causes more carbon to stay in the atmosphere

b)

trees provide shade which counteracts global warming

c)

trees absorbs the sun's energy without radiating back into the atmosphere

d)

trees drain greenhouse gases like methane from soil

80.

What is the energy source for the water cycle?

a)

the Sun

b)

the Earth

c)

water

d)

the Moon

81.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
82.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
83.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
84.
What does groundwater do?
a)
It sends water to our buildings, houses, and water transplant places
b)
to the sky
c)
to the sun
d)
To the Earth's surfaces
85.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
86.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
87.
Which best explains why runoff is important?
a)
It returns water to other locations on Earth
b)
It increases the chance of flooding
c)
It makes evaporation occur faster
d)
It increases condensation
88.

The water cycle has no start or end

a)

True

b)

False

89.
What cycle is demonstrated in the diagram?
a)
The Carbon cycle
b)
The Water cycle
c)
The Nitrogen cycle
d)
The Life cycle
90.
Organisms require nitrogen to make which of the following?
a)
glucose and starch
b)
lipids and nucleic acids
c)
proteins and nucleic acids
d)
carbohydrates and proteins

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