wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Ecology Unit Test

Total questions: 67

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
2.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
3.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
4.
What does fungi do to dead plants and animals?
a)
Leave them there
b)
Decompose them
c)
Wait for other animals to eat them
d)
Move away
5.
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. 
6.
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%
7.
Nitrogen makes up _____ percent of the atmosphere.
a)
66%
b)
78%
c)
90%
8.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
9.

A new species of snake was introduced to a tropical region. Scientists then noticed a steady decline in the presence of field mice and an increase in the number of snakes. Which of these is the most likely explanation about why the population size of each animal changed?

a)

The snakes introduced to the region dominated the habitat, forcing the mice to find another place to live.

b)

The mice became prey to the introduced snakes, allowing the snake population to increase but decreasing the mice population.

c)

The snakes introduced to the region competed with the mice for food, allowing the snake population to increase but decreasing the mice population.

d)

The people in the surrounding area set traps that killed the mice, allowing the snakes to live without any predators and therefore to increase in number.

10.

In the ocean nitrogen is often the limiting nutrient. What does this term mean?

a)

An unlimited amount of nitrogen is in the ecosystem

b)

Nitrogen is scarce or cycles very slowly through the ecosystem.

c)

The presence of nitrogen limits the availability of other nutrients

d)

Nitrogen is overabundant or cycles very quickly through the ecosystem

11.

In addition to energy, organisms need matter to survive. Which of the following is true about matter in the biosphere?

a)

The total amount of matter decreases overtime

b)

The total amount of matter increases overtime

c)

Biogeochemical cycles transform and reuse molecules

d)

Matter flows through ecosystems in one direction

12.

Each step in a food chain is called a trophic level. What percentage of energy available at one trophic level is transferred to organisms at the next level?

a)

about 2 percent

b)

about 10 percent

c)

about 25 percent

d)

about 50 percent

13.

What is true about the pyramid of numbers?

a)

A. There are more producers than first-level consumers

b)

B. First-level consumers make up the greatest number of individuals

c)

C. There are more third-level consumers than second-level consumers

d)

D. There are more second-level consumers than first-level consumers

14.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
15.

What type of relationship is this?

a)

parasitism

b)

mutualism

c)

commensalism

d)

competition

16.

symbiotic relationship in which both organisms benefit

a)

competition

b)

mutualism

c)

predation

d)

commensalism

17.
What does a food web represent?
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. 
18.

symbiotic relationship in which one organisms benefits and the other organism is not affected

a)

competition

b)

mutualism

c)

parasitism

d)

commensalism

19.
Organisms that breaks down and absorbs nutrients from dead organisms 
a)
consumer
b)
trophic level
c)
decomposer
d)
species
20.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
21.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
22.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
23.
An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
24.

What are plants that convert energy from the sun called?

a)

decomposer

b)

primary consumer

c)

secondary consumer

d)

producer

25.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
26.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
27.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
28.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
29.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
30.
Bacteria which convert nitrogen gas into bio-available forms of nitrogen, such as ammonia and nitrate, are known as _____
a)
De-nitrification bacteria 
b)
Nitrogen fixing bacteria
c)
Oxidizers
d)
Buffers
31.
Nearly all energy that fuels life on Earth comes from
a)
water
b)
the soil
c)
the sun
d)
the air
32.
How do producers get the nutrients they need to survive?
a)
They obtain energy from eating other organisms.
b)
The break down and use the nutrients in dead organisms.
c)
They absorb nutrients from the atmosphere. 
d)
They use energy from the sun to make food from water and carbon dioxide. 
33.
A large increase in the number of birds in the food web would most likely result in
a)
a decrease in the number of grasshoppers.
b)
an increase in the number of grasshoppers. 
c)
an increase in the number of producers and grasshoppers. 
d)
a decrease in the number of producers. 
34.
What is the process that occurs when new land is formed and slowly changes into a densely wooded forest over the course of hundreds of years?
a)
primary ecological succession
b)
secondary ecological succession
c)
tertiary ecological succession
d)
globalization
35.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
36.
What type of respiration does not require oxygen?
a)
Aerobic
b)
Anaerobic
37.
Which type of respiration is most efficient?
a)
Aerobic
b)
Anaerobic
38.
Which equation shows the reaction for anaerobic respiration
a)
carbon dioxide + water --> glucose and oxygen
b)
glucose + Oxygen --> lactic acid and energy
c)
glucose + oxygen --> carbon dioxide and water and energy
d)
glucose --> lactic acid and energy
39.
 The expression "feel the burn" means that a person exercising is goes through...
a)
lactic acid fermentation
b)
alcoholic fermentation
c)
photosynthesis
d)
aerobic respiration
40.
A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event
a)
As the cells run out of oxygen they switch to anaerobic respiration, which allows the cell to make small amounts of ATP in the absence of oxygen. 
b)
As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.
c)
The cells will never run out of oxygen if the weightlifter is breathing.
d)
As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP. 
41.
What process is the opposite of aerobic respiration?
a)
anaerobic respiration
b)
cellular respiration
c)
photosynthesis
d)
lactic acid fermentation
42.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
43.
In respiration, how is chemical energy stored?
a)
ATP
b)
Glucose
c)
Oxygen
d)
Carbon Dioxide
44.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
45.

Which of the following structure is where cellular respiration occurs in the cell?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

vacuoles

46.
The energy carrier that the cell uses to power its day to day activities is 
a)
ATP
b)
NADH
c)
FADH2
d)
glucose
47.
Fermentation involves
a)
aerobic respiration
b)
anaerobic respiration 
48.
Why is yeast used to bake bread? 
a)
The waste gas, CO2, makes bread rise
b)
The alcohol produced makes bread dangerous
c)
The yeast consumes O2, causing bread to rise
49.
What is a disadvantage of fermentation as a process? 
a)
It produces too much ATP
b)
It only produces 2 ATP
c)
It occurs in the absence of oxygen
d)
It is only for quick bursts of energy
50.
What cells in the body may undergo lactic acid fermentation during exercise? 
a)
Muscle cells
b)
Fat cells
c)
Liver cells
d)
Skin cells
51.
Fermentation is cellular respiration without which molecule?
a)
CO2
b)
O2
c)
C6H12O6
52.
The process carried out by yeast that causes bread to rise is
a)
alcoholic fermentation
b)
lactic acid fermentation
c)
cellular respiration
d)
yeast mitosis
53.
How are lactic acid and alcoholic fermentation similar?
a)
They have the same products
b)
They have the same reactants
c)
They both require oxygen
d)
They occur in the same organisms
54.
Which of the following is true about anaerobic respiration?
a)
It is a fast process
b)
It allows organisms to live in places with little oxygen
c)
It evolved before aerobic respiration
d)
all of the above
55.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
56.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
57.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
58.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
59.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
60.
succession that occurs in an area where soil is already present
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
61.
starts with bare rock followed by lichen
a)
primary succession 
b)
secondary succession
c)
both types of succession
62.
this type of succession occurs after a forest fire
a)
primary succession
b)
secondary succession
c)
both
63.

Which experiences the least change over time?

a)

Pioneer Species

b)

Primary Succession

c)

Aquatic Succession

d)

Climax Community

64.

What term best relates to equilibrium?

a)

pioneer species

b)

primary succession

c)

secondary succession

d)

climax community

65.

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

a)

trees

b)

shrubs

c)

mosses

d)

grasses

66.

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

a)

Secondary Succession

b)

Aquatic succession

c)

Primary Succession

d)

Ferns must grow

67.

What best describes the term succession?

a)

rapid changes that create an ecosystem overnight

b)

gradual changes over time to fully create or restore and ecosystem

c)

forest with the tallest trees

d)

the rate species produce offspring

Similar Resources on Wayground

EES Global Climate Change

70 questions

EES Global Climate Change

quiz

Worksheet

•

9th Grade

Volcanoes Summative Exam

70 questions

Volcanoes Summative Exam

quiz

Worksheet

•

9th Grade

Environmental Science Benchmark 3 Review

70 questions

Environmental Science Benchmark 3 Review

quiz

Worksheet

•

9th - 11th Grade

Human Impact and Population Test Review

71 questions

Human Impact and Population Test Review

quiz

Worksheet

•

9th - 12th Grade

Photosynthesis and Cellular Respiration Review

67 questions

Photosynthesis and Cellular Respiration Review

quiz

Worksheet

•

9th Grade

Impacts and Resources Test Review

65 questions

Impacts and Resources Test Review

quiz

Worksheet

•

6th - 10th Grade

Forms of Energy

70 questions

Forms of Energy

quiz

Worksheet

•

7th - 9th Grade

Cardiovascular review A&P

65 questions

Cardiovascular review A&P

quiz

Worksheet

•

10th Grade - University