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WorksheetsEnvironmental Science Unit 3 Test
Total questions: 35
Worksheet time: 21mins
Name
Class
Date
1.
An ecosystem contains living and nonliving things.
a)
True
b)
False
2.
Which of the following is a population?
a)
hawks, barred owls, and eagles on NC coast
b)
mountain stream
c)
all the frogs in a pond
d)
blue-tailed skinks (lizards) around a barn
3.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
4.
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
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.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
7.
Two organisms that are so similar they can interbreed in nature and produce fertile offspring
a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
8.
Part of the earth that living organisms inhabit...
a)
biosphere
b)
biome
c)
niche
d)
ecosystem
9.
Minks, muskrats, and cattails would be a:
a)
community
b)
population
c)
ecosystem
d)
population
10.
The nine-banded armadillo is the most widespread armadillo in the world. It scavenges for food at night eating mostly termites and ants. This describes the armadillo's
a)
Habitat
b)
Niche
c)
Level of organization
d)
Ecology
11.
An animal that hunts and consumes other organisms is known as a:
a)
Prey
b)
Decomposer
c)
Predator
d)
Commensalist
12.
The organism that is hunted and eaten in a particular feeding relationship is known as:
a)
Predator
b)
Decomposer
c)
Prey
d)
Autotroph
13.
The correct order for the levels of organization:
a)
Organisms, Ecosystem, Population, Community, Biome Biosphere
b)
Organisms, Population Ecosystem, Community, Biome, Biosphere
c)
Organisms, Population, Community, Biosphere, Ecosystem, Biome
d)
Organism, Population, Community, Ecosystem, Biome, Biosphere
14.
A group of particular organisms that belong to the same species that live in the same habitat is known as a:
a)
Population
b)
Ecosystem
c)
Community
d)
Biome
15.
A large part of the Earth that is defined by its own unique type of environment is known as a:
a)
Community
b)
Species
c)
Niche
d)
Biome
16.
This is the study of interactions between organisms and the interactions that organisms have with their environment.
a)
Evolution
b)
Biology
c)
Ecology
d)
Commensalism
17.
Genetic differences between organisms of the same species
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
18.
Where nature selects the better adapted organisms to survive and pass traits along to their offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
19.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent withOUT modification
20.
Evolution is still occurring today in organisms around the world.
a)
True
b)
False
21.
Sometimes referred to as "survival of the fittest" - this phenomenon refers to when living organisms have traits that are favorable to their environment, which help them survive and reproduce.
a)
Natural Selection
b)
Mutation
c)
Bacteria
22.
What is convergent evolution?
a)
evolution toward similar traits in unrelated species
b)
evolution toward different traits in closely related species
c)
elimination of a species from Earth
d)
the rise of two or more species from one existing species
23.
The process of a new species coming into existence from existing species is:
a)
evolution
b)
variation
c)
mutation
d)
speciation
24.
Adjustment to environmental conditions is known as
a)
Adaptation
b)
Evolution
c)
Natural Selection
d)
Darwinism
25.
A layer of marine fossils is discovered in a desert environment. Which hypothesis best explains the discovery?
a)
the area was once covered by water
b)
volcanic activity once occurred in the area
c)
a catastrophic event once occurred in the area
d)
Erosion turned most of the limestone into sand
26.
When has speciation occurred?
a)
When populations no longer look the same
b)
When populations no longer have the same frequency of alleles
c)
When populations are living in different environments
d)
When populations can no longer interbreed
27.
Two populations have been separated by a river and will develop into two new species, what do we call this
a)
speciation
b)
natural selection
c)
inherited traits
d)
change
28.
Darwin's finches all evolved from a common ancestor to have different shape beak sizes. What type of evolution is this an example of?
a)
divergent evolution
b)
convergent evolution
c)
punctuated equilibrium
d)
gradualism equilibrium
29.
In the range of tolerance graph above, which letter (or letters) represent a zone of physiologic stress?
a)
a and b
b)
b and c
c)
b and d
d)
a and d
30.
What area on this graph would have the maximum size population?
a)
a
b)
b
c)
c
d)
d
31.
Gorillas are larger and more muscular than chimpanzees, allowing them to dominate any food sources along the ground. Which type of adaptation is this?
a)
physical
b)
behavioral
c)
physiologic
32.
Certain fish living in Antarctica have special proteins in their cells that act as antifreeze. Which type of adaptation is this?
a)
physical
b)
behavioral
c)
physiologic
33.
Monarch butterflies will migrate into the forests of the Yucutan Peninsula of Mexico during the winter months of North America. Which type of adaptation is this?
a)
physical
b)
behavioral
c)
physiologic
34.
Only about a fifth of the species on Earth have been identified. Most of the species that have not yet been identified are probably…
a)
Insects
b)
Mammals
c)
Birds
d)
Reptiles
35.
Which areas are known as the zones of intolerance?
a)
a and d
b)
a and c
c)
a and b
d)
a and e
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