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2.0 Ecology

Total questions: 60

Worksheet time: 33mins

Name
Class
Date
1.

This organism needs to eat others for energy:

a)

decomposer

b)

producer

c)

consumer

d)

sun light

2.

Organisms that eat only plants:

a)

omnivore

b)

herbivore

c)

producer

d)

carnivore

3.

Decomposer:

a)

eats live plants and animals

b)

breaks down live plants and animals

c)

eats dead animals only

d)

breaks down dead plants and animals

4.

All eating relationships in an ecosystem are found in a:

a)

biome

b)

community

c)

food web

d)

food chain

5.

All non-living parts of an ecosystem. (More than one answer may apply.)

a)

air

b)

moss

c)

temperature

d)

soil

6.

A relationship in which one organism benefits and the other is unaffected.

a)

mutualism

b)

symbiosis

c)

commensalism

d)

parasitism

7.

A relationship in which one organism benefits while the other is harmed.

a)

parasitism

b)

symbiosis

c)

mutualism

d)

commensalism

8.

Biotic elements in an ecosystem. (More than one answer my apply.)

a)

animals

b)

bacteria

c)

fungi

d)

water

9.

A relationship in which both organisms benefit.

a)

symbiotic

b)

commensalism

c)

parasitism

d)

mutualism

10.

A relationship in which two organisms live closely together.

a)

parasitism

b)

mutualism

c)

symbiotic

d)

commensalism

11.

This organism will eat just about everything.

a)

herbivore

b)

omnivore

c)

garbage disposal

d)

carnivore

12.
The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Inorganic nutrients
13.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
14.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
15.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
16.

What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?

a)

food web

b)

an ecosystem

c)

food chain

d)

a population

17.
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
18.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
19.
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. 
20.
a relationship between two in which one species, the predator, feeds on the other species, the prey
a)
chemosynthesis
b)
predation
c)
cellular respiration 
d)
commensalism
21.
Study of interactions between organisms and their environment 
a)
niche
b)
community 
c)
ecology
d)
ecosystem
22.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
23.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere
24.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain 
d)
biome
25.
Organisms that breaks down and absorbs nutrients from dead organisms 
a)
consumer
b)
trophic level
c)
decomposer
d)
species
26.
A food chain is illustrated below:
The arrows represented most likely indicate
a)
A. Energy released from metabolism into the environment as heat.
b)
B. Oxygen released from metabolism produced by cellular respiration.
c)
C. The absorption of energy from the environment that has been created.
d)
D. The transport of glucose away from the organism through photosynthesis.
27.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
28.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
29.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
30.
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
31.
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%
32.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
33.
Which biome, because of its climate and amount of rainfall, has the largest number of species of plants and animals?
a)
Tundra
b)
Rainforest
c)
Desert
d)
Pineforest
34.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
35.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
36.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
37.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
38.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Farm
d)
Ecosystem
39.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
40.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
41.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
42.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
43.
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
44.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
45.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
46.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
47.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
48.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
49.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
50.
A producer is a (n) ______________.
a)
heterotroph
b)
omnitroph
c)
autotroph
d)
oscartroph
51.
All food chains begin with a ____________.
a)
primary consumer
b)
secondary consumer
c)
producers
d)
scavengers
52.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
53.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
54.
Another name for a consumer is a
a)
heterotroph
b)
autotroph
c)
producer
d)
plant
55.

Which is not example of biogeochemical cycles?

a)

carbon dioxide

b)

sulphur

c)

phosphorus

d)

water

56.

The abiotic components include;

a)

lithosphere

b)

atmosphere

c)

hydrosphere

d)

biosphere

57.

The shallow and near to shore area of a lake is

a)

littoral zone

b)

limnetic zone

c)

profundal zone

d)

photic zone

58.

These process return carbon dioxide into atmosphere

a)

photosynthesis

b)

combustion

c)

respiration

d)

decomposition

59.

The components of biogeochemical cycles are

a)

reservoir pool

b)

cycling / exchange pool

c)

storage pool

d)

abiotic pool

60.

The highest strata in a tropical rainforest is

a)

emergent

b)

canopy

c)

shrub

d)

understory

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