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WorksheetsEcology Part 1
Total questions: 40
Worksheet time: 29mins
Name
Class
Date
1.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
2.
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
3.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
4.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
5.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
6.
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.
7.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
8.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
9.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
10.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
11.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
12.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
13.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
14.
Organisms that can capture energy from inorganic, nonliving sources.
a)
Producers
b)
Consumers
c)
Detritivores
d)
Carnivores
15.
Organisms that feed on both living producers and other consumers.
a)
Carnivores
b)
Omnivores
c)
Herbivores
d)
Detritivores
16.
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
17.
What is this an example of?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
18.
The max number of species an ecosystem can support is called the _______________.
a)
population max
b)
carrying limit
c)
carrying capacity
d)
species level
19.
Organisms attempting to use the same ecological resources is called ________________.
a)
predation
b)
commensalism
c)
competition
d)
symbiosis
20.
What would you call the interaction depicted?
a)
food chain
b)
food web
c)
trophic cascade
d)
consumer flow
21.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
22.
Snow, sleet, hail, and rain are all examples of ________________.
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
23.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
24.
What is the water cycle?
a)
Water's movement through the human body
b)
Water moving through springs and rivers
c)
The movement of water between the oceans, atmosphere, land, and living things
25.
Photosynthesis and ______________________ are the key components to how carbon is used by organisms and then put back into the atmosphere
a)
Nitrogen Fixation
b)
Cellular Respiration
c)
Ammonification
d)
Decomposition
26.
In the carbon cycle, producers take in the gas __
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
carbon monoxide
27.
Which of the following is an example of a decomposer?
a)
Owl
b)
Fish
c)
Tree
d)
Mushroom
28.
How animals get the nitrogen they need
a)
from the air they breathe
b)
from the water they drink
c)
from the food they eat
d)
from the Sun
29.
Organisms that need nitrogen to survive
a)
only plants
b)
only animals
c)
only bacteria
d)
all living organisms
30.
Organisms that play a role in the nitrogen cycle
a)
only plants
b)
only animals
c)
only bacteria
d)
plants, animals, & bacteria
31.
How nitrogen is "fixed" into useable form for plants
a)
through action of bacteria
b)
through lightning
c)
through action of bacteria & lightning
d)
through photosynthesis
32.
How plants get the nitrogen they need
a)
from the air
b)
from the soil or water in which they live
c)
from the Sun
d)
from broken down rocks
33.
How much of the atmosphere is composed of nitrogen gas?
a)
87%
b)
38%
c)
78%
d)
21%
34.
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
a)
bacteria
b)
plants
c)
animals
d)
producers
35.
TRUE/FALSE: Nitrogen is released back into the environment when organisms die
a)
True
b)
False
36.
What is ecological succession?
a)
One environment competing with another
b)
Generations of one species
c)
Gradual development of communities over time
d)
Aliens invading an environment
37.
Which of the two types of succession occur after some type of major disturbance or disaster to an area (fire, landslides, plowing for crops...)?
a)
Primary Sucession
b)
Secondary Succession
38.
Which of the two types of succession occurs in a place that has not been previously inhabited by living things?
a)
Primary Succession
b)
Secondary Succession
39.
What do you call the first species to appear in an area of succession?
a)
The First Species
b)
The Fresh Species
c)
The Freshest Species
d)
Primary Species
40.
What are the primary species in secondary succession?
a)
Deciduous trees
b)
Ferns
c)
Rivers
d)
Weeds
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