NEW
Font size
S
M
L
XL
WorksheetsEcology Review
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
2.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism
c)
nitrogen fixation
d)
commensalism
3.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
4.
growth in which the number of individuals in a population gets a lot bigger in each time period that follows
a)
primary succession
b)
exponential growth
c)
succession
d)
carrying capacity
5.
the process by which a new community replaces another community that has been partially ot totally destroyed
a)
exponential growth
b)
primary succession
c)
secondary succession
d)
succesion
6.
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
7.
largest number of individuals of a population that the environment can support
a)
carrying capacity
b)
primary succession
c)
denitrification
d)
mutualism
8.
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
9.
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
10.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
11.
the process by which a new community replaces another community that has been partially ot totally destroyed
a)
exponential growth
b)
primary succession
c)
secondary succession
d)
succesion
12.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism
c)
nitrogen fixation
d)
commensalism
13.
the replacement of one type of community by another at a single place over a period of time
a)
succession
b)
symbiosis
c)
secondary succession
d)
mutualism
14.
plants and animals that have migrated to areas where they did not originate; often displace native species by out-competing them for resources
a)
acid rain
b)
biochemical magnification
c)
invasive (non-native) species
d)
nitrogen fixation
15.
Step in the food chain, food web, or ecological pyramid
a)
trophic Level
b)
abiotic factors
c)
community
d)
ecosystem
16.
A large area that has a specific type of climate and certain types of plant and animal communities
a)
ecosystem
b)
habitat
c)
niche
d)
biome
17.
Network of all food in an ecosystem
a)
ecology
b)
food web
c)
decomposer
d)
food chain
18.
Organism that feeds on animal and plant remains that did not capture; scavenger
a)
carnivore
b)
detritivore
c)
consumer
d)
species
19.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
20.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
21.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
22.
Two organisms that are so similar they can interbreed in nature and produce fertile offspring
a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
23.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
24.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
25.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
26.
Part of the earth that living organisms inhabit
a)
biosphere
b)
biome
c)
niche
d)
ecosystem
27.
Living factors or organisms that affect an ecosystem
a)
abiotic factors
b)
species
c)
trophic level
d)
biotic factors
28.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
29.
organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
30.
Populations of different organisms living in a defined area
a)
species
b)
community
c)
niche
d)
biome
31.
The unique position that a species has in the physical use of its habitat and in its function (job) within an ecosystem
a)
producer
b)
biotic factors
c)
ecosystem
d)
niche
32.
Organism that makes its own food by using sunlight or chemicals; autotroph
a)
biome
b)
producer
c)
consumer
d)
herbivore
33.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
34.
Organisms that breaks down and absorbs nutrients from dead organisms
a)
consumer
b)
trophic level
c)
decomposer
d)
species
35.
Consumer that eats animals or meat
a)
carnivore
b)
omnivore
c)
consumer
d)
producer
36.
True or False: It is possible for a carnivore to be a producer.
a)
False
b)
True
37.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
38.
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.
39.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
40.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
Reset
