WorksheetsPopulation Dynamics, Aquatic Ecosystems, & Succession
Total questions: 17
Worksheet time: 10mins
Name
Class
Date
1.
The photic zone
a)
extends to the bottom of the open ocean
b)
extends to a depth of about 200 meters
c)
is deep, cold, and permanently dark
d)
is where chemosynthetic bacteria are the producers
2.
Which of the following will increase the size of a population?
a)
emigration and births
b)
immigration and deaths
c)
immigration and births
d)
emigration and deaths
3.
Which of the following statements about primary succession is true?
a)
It begins with a climax community
b)
Small mammals are the first to live there
c)
It begins with bare rock
d)
It begins with rock and soil
4.
What type of growth is shown on this graph?
a)
logistic
b)
exponential
c)
average
d)
density-independent
5.
What pattern of growth will a population with limited resources show?
a)
density-dependent
b)
exponential
c)
logistic
d)
logical
6.
What type of population growth is shown in the graph?
a)
logistic growth
b)
logical growth
c)
exponential growth
d)
density-dependent growth
7.
First species to arrive in an area
a)
invasive species
b)
abiotic components
c)
pioneer species
d)
parasites
8.
Series of changes where other organisms have not previously lived
a)
primary succession
b)
secondary succession
c)
commensalism
d)
competition
9.
What is the difference between primary and secondary succession?
a)
Primary succession already has soil.
b)
Primary has soil and secondary does not
c)
soil is present in both
d)
primary has no soil and secondary has soil
10.
A sequence of biotic changes that regenerate or create an ecological community is known as
a)
factors
b)
erosion
c)
succession
d)
progression
11.
Lichens and mosses that first live in uninhabited areas are examples of
a)
secondary species
b)
non-native species
c)
pioneer species
d)
climax species
12.
Secondary succession is most likely to occur
a)
on a volcanic island
b)
after a rainstorm
c)
after a Thanksgiving Turkey dinner
d)
after a forest fire
13.
What is the name for this leveling off shown in the graph?
a)
logistic line
b)
carrying capacity
c)
climax point
d)
mediocre
14.
After how many hours does the yeast population shown in the graph reach its carrying capacity?
a)
15 hours
b)
10 hours
c)
6 hours
d)
At the start
15.
When a population is increasing.... (SELECT ALL THAT APPLY)
a)
Birth rate > Death rate
b)
Birth rate < Death rate
c)
Immigration > Emigration
d)
Immigration < Emigration
16.
Estimate the carrying capacity.
a)
100 deer
b)
80 deer
c)
60 deer
d)
40 deer
17.
Which type of growth occurs with unlimited resources?
a)
Logistic
b)
Exponential
c)
Both
d)
None
100 %
