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WorksheetsBio EOC Energy & Ecology
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
What are the living parts of the ecosystem called? This includes populations and communities of organisms.
a)
biotic factors
b)
abiotic factors
c)
habitat
d)
aquatic
2.
What are the nonliving parts of the ecosystem? This includes temperature, water, sunlight, air, and soil.
a)
biotic factors
b)
communities
c)
abiotic factors
d)
microorganisms
3.
What are all members of one kind of organism that live in a particular area?
a)
population
b)
microrganisms
c)
community
d)
environment
4.
What is a group of different populations of organisms?
a)
habitat
b)
microorganisms
c)
biotic factors
d)
communities
5.
________get energy they need by breaking down dead or decaying matter.
a)
consumers
b)
decomposers
c)
organisms
d)
producers
6.
What is a series of plants and animals in which each organism is a source of food for the next in the series?
a)
food chain
b)
food web
c)
food link
d)
connection
7.
What are animals that hunt and kill other animals for food called?
a)
prey
b)
parasite
c)
host
d)
predators
8.
If the population of predators increases, the population of prey will _______
a)
decrease
b)
increase as well
c)
stay the same
d)
stay the same, then increase.
9.
What passes from organism to organism in a food web
a)
an ecosystem
b)
only one niche
c)
energy
d)
abiotic factors
10.
What type of relationship is shown in this picture?
a)
Predatory/Prey
b)
Commensalism
c)
Mutualism
d)
Parasitism
11.
What type of relationship is shown in this picture? (HINT: it's a tapeworm)
a)
Predator/Prey
b)
Commensalism
c)
Mutualism
d)
Parasitism
12.
What type of relationship is shown here?
a)
Predator/Prey
b)
Commensalism
c)
Mutualism
d)
Parasitism
13.
What type of relationship is shown here?
a)
Predator/Prey
b)
Commensalism
c)
Mutualism
d)
Parasitism
14.
Which of the following is a primary consumer in this food web?
a)
Foxes
b)
Carrots
c)
Mice
d)
Owls
15.
Which organism contains the most energy?
a)
Rabbit
b)
Grains
c)
Birds
d)
Mice
16.
What type of organism recycles energy back into an ecosystem?
a)
Herbivore
b)
Carnivore
c)
Autotroph
d)
Decomposer
17.
What happens to the populations as you move up a population pyramid?
a)
Populations increase
b)
Populations decrease
c)
Populations remain the same
d)
Populations fluctuate
18.
Which point on the graph represents carrying capacity?
a)
A
b)
B
c)
C
d)
D
19.
Which point on the graph would represent an ecosystem going through the beginning stages of secondary succession?
a)
A
b)
B
c)
C
d)
D
20.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
21.
Which has declined because of the growth of the human population?
a)
biodiversity
b)
deforestation
c)
extinction rates
d)
habitat destruction
22.
Which statement describes a main difference between primary and secondary succession?
a)
Primary succession is always followed by secondary succession
b)
Secondary succession always ends in a climax community while primary does not
c)
Primary succession always starts with barren rock; secondary does not
d)
Secondary succession always reaches a climax community of trees while primary succession ends with pioneer species.
23.
Which best describes an ecosystem?
a)
A group of species that inhabits a particular area
b)
a group of popultions as well as the abiotic environment
c)
All the organisms of one species that inhabit a particular area
d)
All the zones of Earth's land, water, and air where living organisms are found
24.
Which biome is characterized by a cold, wet climate and coniferous trees?
a)
taiga
b)
desert
c)
tundra
d)
grassland
25.
All members of one species in a certain area.
a)
Population
b)
Limiting Factors
c)
Immigration
d)
Birth Rate
26.
The largest number of organisms in a population that the environment can support.
a)
Carrying Capacity
b)
Limiting Factor
c)
Reproductive Potential
27.
Environmental factors that keep a population from increasing.
a)
Carrying Capacity
b)
Limiting Factors
c)
Reproductive Potential
28.
What is a consumer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
29.
What is a producer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
30.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
Tundra
b)
Desert
c)
Temperate Deciduous Forest
d)
Tropical Rainforest
31.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
Tundra
b)
Rainforest
c)
Desert
d)
Pineforest
32.
What biome?
a)
Savannah
b)
Temperate Rainforest
c)
Taiga
d)
Desert
33.
What biome?
a)
Mountains
b)
Tundra
c)
Tropical Rainforest
d)
Temperate Forest
34.
The taiga
a)
a cold, treeless, desert-like biome found near the North and South Poles
b)
found mostly in Africa
c)
a forest biome dominated by coniferous trees, such as pine, fir, and spruce
d)
a dry, rocky biome found in the central part of South America.
35.
An organism's _________ is defined as the environment in which it lives.
a)
habitat
b)
niche
c)
social structure
d)
ecosystem
36.
A community is defined as
a)
All the different species that live in an ecosystem
b)
All the members of the same species
c)
All the non-living things in an ecosystem
d)
the average number of species in an ecosystem
37.
crocodiles live in freshwater rivers.
a)
habitat
b)
niche
38.
The crocodile is a carnivore.
a)
habitat
b)
niche
39.
A glacier in Alaska sweeps through leaving bare rock in its path. Which of the following will most likely be the pioneer species?
a)
grass
b)
lichen
c)
insects
d)
birds
40.
The design of air conditioners and aerosol cans has been changed in the last few years in an attempt to reverse which ecological problem?
a)
deforestation
b)
freshwater pollution
c)
hole in the ozone layer
d)
acid rain
41.
Which human activity would preserve nonrenewable resources?
a)
deforestation
b)
removing carnivores from a forest
c)
recycling
d)
heating homes with fossil fuels
42.
What are renewable resources?
a)
Resources that are used faster than they form
b)
a. Resources that can replenish themselves over time
c)
a. Resources that exist only in urban areas
d)
Resources that exist only in rural areas
43.
What is deforestation?
a)
throwing someone out of a window
b)
selectively cutting trees for lumber, making sure the forest remains healthy
c)
allowing more animals to graze on the land than it can support
d)
cutting and removal of rainforest
44.
What are greenhouse gases?
a)
gases that cause climate change
b)
gases that emit green smoke
c)
gases that are used to make green colored glass
45.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
46.
What is this a picture of?
a)
Nitrogen cycle
b)
carbon cycle
c)
water cycle
d)
plant cycle
47.
When nitrogen gas is turned in to a form that plants and animals can use is called
a)
Combustion
b)
Photosynthesis
c)
Decomposition
d)
Nitrogen Fixation
48.
The movement of matter through biotic and abiotic environment is called ___
a)
matter cycling
b)
biogeochemical cycle
c)
photosynthesis
d)
carbon fixation
49.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
50.
How many trophic levels?
a)
2
b)
3
c)
4
d)
5
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