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WorksheetsEcology
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following is NOT an abiotic factor?
a)
sunlight
b)
soil
c)
bacteria
d)
pond water
2.
Which of the following is the smallest level of organization of organisms?
a)
Community
b)
Ecosystem
c)
Population
d)
Biome
3.
Which of the following is the best example of a micro-ecosystem?
a)
small forest
b)
large lake
c)
under a dead tree log
d)
rainforest
4.
Which of the following includes organisms interacting with their environment (abiotic factors)?
a)
Individual
b)
Community
c)
Ecosystem
d)
Biome
5.
Which of the following describes a population of fish, crabs, and sharks that live in the same area?
a)
Ecosystem
b)
Biome
c)
Biosphere
d)
Community
6.
Which of the following is an example of flora?
a)
cows
b)
tulips
c)
mice
d)
insects
7.
Which of the following is a biotic factor?
a)
lizards
b)
temperature
c)
clouds
d)
humidity
8.
Which of the following biomes does North Carolina fall into?
a)
Desert
b)
Forest
c)
Grasslands
d)
Aquatic
9.
Which term means the number of different species that live in a particular area?
a)
Ecosystem
b)
Biodiversity
c)
Invasive Species
d)
Food Web
10.
Which of the following is not a threat to biodiversity?
a)
deforestation
b)
introduction of invasive species
c)
farming and agriculture
d)
protecting natural resources
11.
What defines an organism that is not native to the area it lives in and has negative effects in some way?
a)
Invasive Species
b)
Biodiversity
c)
Food Chains
d)
Food Webs
12.
What is at the base of every food chain?
a)
Producers
b)
Primary Consumers
c)
The Sun
d)
Secondary Consumers
13.
What percentage of energy is used up by the organism at any level of the energy pyramid for everyday life processes?
a)
10%
b)
25%
c)
50%
d)
90%
14.
If 20,000 kcal is available to producers, how much is passed on to primary consumers?
a)
20 kcal
b)
200 kcal
c)
2,000 kcal
d)
20,222 kcal
15.
What do we call organisms that can make their own food?
a)
autotrophs
b)
heterotrophs
c)
carnivores
d)
omnivores
16.
What do we call organisms that eat both plants and animals?
a)
carnivore
b)
herbivore
c)
omnivore
d)
autotrophs
17.
Which of the following would NOT be a producer?
a)
grass
b)
beetles
c)
trees
d)
shrubs
18.
Which level of a trophic pyramid would have the fewest number of organisms?
a)
primary consumers
b)
producers
c)
tertiary consumers
d)
secondary consumers
19.
Which of the following would most likely be a carnivore with no natural predators?
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
20.
Which of the following is the sum of all living organisms on Earth?
a)
community
b)
biosphere
c)
food web
d)
population
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