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WorksheetsEcology
Total questions: 15
Worksheet time: 7mins
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 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
3.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
4.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
5.
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
6.
all populations of all species living in an ecosystem.
a)
population
b)
community
c)
ecosystem
d)
species
7.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
8.
As you move upward, from level to level, in an energy pyramid, energy _____.
a)
increases
b)
decreases
c)
stays the same
d)
increases exponentially
9.
largest number of individuals of a population that the environment can support
a)
carrying capacity
b)
primary succession
c)
denitrification
d)
mutualism
10.
What type of growth model is this?
a)
exponential growth model
b)
logistic growth model
c)
Type I curve
d)
Type III curve
11.
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
12.
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
13.
The variety of all living in the biosphere
a)
biome
b)
niche
c)
biodiversity
d)
species
14.
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.
15.
Average weather conditions of an area over time
a)
temperature
b)
barometric pressure
c)
climate
d)
atmosphere
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