WorksheetsEcology Unit Test
Total questions: 35
Worksheet time: 35mins
Name
Class
Date
1.
Biotic factors in an ecosystem may include
a)
plants, animals, bacteria
b)
bacteria, soil, water
2.
Water moves through the environment over and over again, this is called
a)
succession
b)
a cycle
3.
Respiration, photosynthesis, and decay are part of the
a)
potassium cycle
b)
carbon cycle
4.
What types of organisms are at the bottom/beginning layer of the energy pyramid?
a)
producers
b)
decomposers
5.
A biome that is very cold and dry is the
a)
tundra
b)
tropical forest
6.
Organisms that can produce offspring and breed belong to the same
a)
population
b)
species
7.
An ecosystem is made up of
a)
both abiotic and biotic factors
b)
only biotic factors
8.
In a forest ecosystem, deer eat trees that grow in the dirt. The dirt is an example of
a)
a pioneer species
b)
an abiotic factor
9.
Burning fossil fuels is called combustion. This is part of the
a)
carbon cycle
b)
nitrogen cycle
10.
An animal that eats only plants is a
a)
primary/1st consumer
b)
secondary consumer
11.
There are a lot of Coniferous trees in
a)
the taiga
b)
the desert
12.
A group of organisms of the same species that live a particular area belong to the same
a)
population
b)
biome
13.
An example of a biotic factor is
a)
a rock
b)
a tree
14.
A snake that eats a frog that eats insects is a
a)
primary/1st consumer
b)
tertiary/3rd consumer
15.
Temperate forests have mostly
a)
deciduous trees
b)
cactus plants
16.
Which is in order from complex to simple?
a)
biome, ecosystem, community, population, organism
b)
biome, population, community, ecosystem, organism
17.
Which is an example of a pattern in time?
a)
geese migrating south for the winter
b)
frogs feeding on flies
18.
An oxpecker (a bird) that lives on a zebra gets its food by eating all of the parasites on the zebra is an example of
a)
mutualism
b)
commensalism
19.
Mosses that grow on a rock after a glacier melts are called
a)
pioneer species
b)
colonial species
20.
If a school adds 10 new classrooms but keeps the same amount of students, the population density
a)
increases
b)
decreases
21.
The air pollution that causes acid rain comes mainly from
a)
fossil fuels being burned
b)
natural habitats
22.
An example of a renewable resource is
a)
wood
b)
coal
23.
The __________ oversees all federal environmental laws
a)
Environmental Protection Agency (EPA)
b)
National Environmental Policy Act (NEPA)
24.
The 17 year cicadas area species of insect that appear every 17 years. This is an example of
a)
a pattern in time
b)
a pattern in space
25.
Which is an example of competition within a species?
a)
male crickets chirping to attract females
b)
a pack of lions hunting zebras together
26.
Which area has the highest population density?
a)
a busy city like Chicago
b)
a small suburb
27.
An example of a nonrenewable resource is
a)
copper ( a metal )
b)
wood from trees
28.
The international organization that encourages good environmental practices worldwide is the
a)
Environmental Protection Agency (EPA)
b)
United Nations Environment Programme
29.
A population of zebras grazing in a herd is an example of
a)
pattern in space
b)
pattern in time
30.
Mistletoe growing on a tree harms the tree by taking some of its water and nutrients. This is an example of
a)
mutualism
b)
parasitism
31.
Grasses growing back after a forest fire is an example of
a)
succession
b)
decay
32.
Landfills are places where humans
a)
dispose/get rid of garbage
b)
mine for coal
33.
An example of a nonrenewable resource is
a)
coal
b)
sunlight
34.
This government act made the protection of natural ecosystems a noational goal
a)
National Environmental Policy Act
b)
Superfund Law
35.
Lichens growing in a environment of mostly bare rocks is an example of
a)
primary succession
b)
fossil fuels
100 %
