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WorksheetsEcology Review for GMAS
Total questions: 63
Worksheet time: 43mins
Name
Class
Date
1.
An organism that can make its own food is called?
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
2.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
3.
A food chain is?
a)
Overlapping food chains in an ecosystem.
b)
The amount of energy that moves from one feeding level to another in a food web.
c)
A series of events in which one organism eats another and obtains energy.
d)
biotic and abiotic factors in an area.
4.
A carnivore eats only other animals. Which is an example?
a)
Bison
b)
Elephant
c)
Caterpillar
d)
Coyote
5.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
6.
A food web consists of?
a)
Many overlapping food chains in an ecosystem.
b)
A series of events in which one organism eats another and obtains energy.
c)
Amount of energy that moves from one feeding level to another.
d)
Many types of insects that are stuck.
7.
This type of consumer obtains all of its energy by eating only producers.
a)
Omnivore
b)
Herbivore
c)
Scavenger
d)
Carnivore
8.
Which of these is always located at the bottom of an energy pyramid?
a)
Producer
b)
Second-Level Carnivores
c)
Herbivores.
d)
First-Level Consumers.
9.
A third-level consumer has to be which type?
a)
Carnviore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
10.
Which is NOT an abiotic factor:
a)
soil
b)
air
c)
bacteria;
d)
water
11.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
12.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.
13.
Diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
a)
succession
b)
cellular respiration
c)
energy pyramid
d)
biochemical cycle
14.
Transfer of energy is represented by this in a food chain.
a)
Circles
b)
Arrows
c)
neon lights
d)
pyramids
15.
You lose energy as you go up a food chain or energy pyramid.
a)
True
b)
False
16.
What does this diagram display?
a)
The predator-prey relationship between vertebrates
b)
The movement of energy throughout an ecosystem
c)
The changing types of organisms in a forest
d)
The standard lifespan of trees and animals
17.
The grass that the mice eat contains energy. what is the source of energy for the grass?
a)
Rainwater
b)
The Sun
c)
The soil
d)
Minerals
18.
Which species most likely has the largest population?
a)
Herring
b)
Plankton
c)
Shrimp
d)
Shark
19.
According to the energy pyramid, the organism that obtains the least energy is the ___
a)
Garter Snake
b)
Field Mouse
c)
Red-tailed Hawk
d)
Alfalfa
20.
This type of consumer only feeds on the bodies of dead animals.
a)
Herbivore.
b)
Decomposer.
c)
Carnivore.
d)
Scavenger
21.
This type of consumer eats both other consumers and producers to obtain energy. It's name means "ALL" or "WHOLE" in latin.
a)
Carnivore.
b)
Herbivore.
c)
Omnivore
d)
Scavenger.
22.
The energy role that break down biotic wastes and dead organisms is?
a)
Consumer
b)
Producer
c)
Scavenger
d)
Decomposer
23.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
24.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
25.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
26.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
27.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
28.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
29.
A jar has two fish in it. What will happen?
a)
Carbon dioxide will increase
b)
Oxygen will increase
c)
Carbon dioxide will decrease
d)
Nitrogen will decrease
30.
As you move upward, from level to level, in an energy pyramid, energy _____.
a)
increases
b)
decreases
c)
stays the same
d)
increases exponentially
31.
Which process uses oxygen in plants, algae, and animals?
a)
photosynthesis
b)
respiration
c)
chemosynthesis
d)
transpiration
32.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
33.
Anything that can decrease the size of a population including living (biotic) and non living (abiotic) features of an ecosystem such as predators and drought.
a)
limiting factor
b)
habitat
c)
ecosystem
d)
carrying capacity
34.
all populations of all species living in an ecosystem.
a)
population
b)
community
c)
ecosystem
d)
species
35.
a species that takes over to live in an area where no other living thing lives and that starts a cycle in which many other species make that area the place where they live
a)
pioneer species
b)
succession
c)
nitrogen fixation
d)
cellular respiration
36.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
37.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
38.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
39.
Two organisms that are so similar they can interbreed in nature and produce fertile offspring
a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
40.
Part of the earth that living organisms inhabit
a)
biosphere
b)
biome
c)
niche
d)
ecosystem
41.
organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
42.
Populations of different organisms living in a defined area
a)
species
b)
community
c)
niche
d)
biome
43.
Which explains why secondary succession generally occurs more quickly than primary succession?
a)
average precipitation is higher
b)
moderate climate conditions exist
c)
pioneer species are microscopic
d)
there is still soil present
44.
What is the purpose of a pioneer species?
a)
create shade for smaller plants
b)
to be the first species in a primary succession disturbance and help make soil
c)
to be a dominating plant in a climax community
d)
to grow where there is soil to indicate to other plants where to grow
45.
plants, animals, or pathogens that are non-native (or alien) to the ecosystem under consideration and whose introduction causes or is likely to cause harm
a)
pioneer species
b)
native species
c)
parasites
d)
invasive species
46.
What time frame best describes how long an ecological succession takes?
a)
less than year
b)
around 1 year
c)
more than 1 but less than 100
d)
more than a 100 years
47.
What is the difference between a primary vs. secondary succession?
a)
secondary occurs where there was no previous community
b)
they are the same
c)
secondary occurs in an area that was only partially destroyed
d)
primary ocurs in an area that was only partially destroyed
48.
What is the first species you will see after a primary succession? (in picture)
a)
lichens
b)
mosses
c)
small plants
d)
insects
49.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
50.
What is the first species you will see after a secondary succession?
a)
lichens
b)
small plants
c)
insects
d)
birds
51.
Which of the following would cause a secondary succession?
a)
volcanic eruption
b)
newly exposed bare rock
c)
retreating glacier
d)
forest fire
52.
What is the term for the final stage of any ecological succession?
a)
climax community
b)
final community
c)
last community
d)
optimal community
53.
True or False: All climax communities are the exact same
a)
True
b)
False
54.
What will happen to the population when the death rate is larger than the birth rate?
a)
grow
b)
shrink
c)
stay the same
55.
What will happen to the population when the birth rate is larger than the death rate?
a)
grow
b)
shrink
c)
stay the same
56.
Which will add more organisms to a population?
a)
5 animals die
b)
0 animals are born
c)
3 animals immigrate to the population
d)
2 animals emmigrate from the population
57.
There is a flock of 21 birds. 3 birds immigrate to the flock but 9 emigrate.
a)
grow; 15 birds in the end
b)
shrink; 15 birds in the end
c)
grow; 27 birds in the end
d)
shrink; 27 birds in the end
58.
There is a herd of 45 cattle. 1 is born and 2 die. 6 emigrate to another farm and 3 immigrate to the herd.
a)
shrink; 41
b)
grow; 41
c)
grow; 47
d)
shrink; 47
59.
What does Independent mean?
a)
Rely on yourself
b)
Rely on everybody
c)
You don't rely on anything
60.
What does Dependent mean?
a)
Nothing
b)
Lone wolf
c)
Everybody has to help you
61.
What does Interdependence mean?
a)
Mutually dependent
b)
Lone wolf
c)
Everybody has to help you out
62.
What does climate mean?
a)
Weather
b)
Rain, sleet, cold
c)
Weather in a certain place over a long period of time
63.
What is precipitation?
a)
Water
b)
Amount of rainfall
c)
How much ocean water there is
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