WorksheetsPopulations and Communites
Total questions: 16
Worksheet time: 5mins
Name
Class
Date
1.
A prairie dog, a hawk, and a badger all are members of the same ________________.
a)
niche
b)
community
c)
species
d)
population
2.
All of the following are examples of limiting factors for a population except...
a)
space
b)
food
c)
time
d)
weather
3.
In which type of interaction do both species benefit?
a)
predation
b)
mutualism
c)
commensalism
d)
parasitism
4.
Which of these relationships is an example of parasitism?
a)
a bird building a nest on a tree branch
b)
a bat pollinating a saguaro cactus
c)
a flea living on a cat's blood
d)
ants protecting a tree that produces the ants' only food
5.
In general, which of the following is a true statement about population size?
a)
If birth rate < death rate, population size increases
b)
If death rate < birth rate, population size decreases
c)
If birth rate > death rate, population size increases
d)
If death rate > birth rate, population size increases
6.
A freshwater lake has a muddy bottom, which is home to different types of algae and other organisms. Many species of fish feed on the algae. Which of the following is an ABIOTIC factor in this ecosystem?
a)
the temperature of the water
b)
the color of the algae
c)
the number of species of fish
d)
the amount of food available to the fish
7.
Which of the following lists the levels of organization in an ecosystem from the smallest unit to the largest?
a)
population, organism, community, ecosystem
b)
organism, population, ecosystem, community
c)
organism, community, population, ecosystem
d)
organism, population, community, ecosystem
8.
All the living and nonliving things that interact in a particular area make up a(n)
a)
ecosystem
b)
population
c)
community
d)
biome
9.
All the different populations that live together in an area make up a(n)
a)
ecosystem
b)
community
c)
habitat
d)
organism
10.
Counting hawks with and without bands on their legs is
a)
direct observation
b)
indirect observation
c)
sampling
d)
mark and recapture
11.
Counting the number of nests in an area is an example of
a)
direct observation
b)
indirect observation
c)
sampling
d)
mark and recapture
12.
A symbiotic relationship in which one species benefits and the other is harmed
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
13.
An interaction in which one organism kills and eats another organism
a)
competition
b)
mutualism
c)
commensalism
d)
predation
14.
Environmental conditions that prevent populations from increasing
a)
abiotic factors
b)
carrying capacity
c)
limiting factors
d)
biotic factors
15.
The largest population that an environment can support
a)
carrying capacity
b)
ecosystem
c)
adaptation
d)
limiting factors
16.
A(n) ______ is a group of organisms that are physically similar and can mate with each other to produce offspring that can also mate and reproduce.
a)
organism
b)
species
c)
population
d)
community
100 %
