Population Growth
1. The increase in the size of a population over time is known as a
___________________ __________________.
2. Two ways to measure population growth are:
●
Watch the growth of ______________________ in a nutrient rich solution.
●
Watch the growth of an organism in a ____________ environment with
____________________ resources.
3.
Is population growth linear when graphed?
4.
Population growth is an ________- _________ with a ______________ initial
increase followed by _____________ rapid growth.
5.
The area of rapid growth on the graph is called ____________________
_______________________.
6.
Why can’t populations grow exponentially?
7.
What are limiting factors?
8.
___________________ capacity is the number of one species of organisms that
an environment can support.
9.
Draw and label the graph for population growth
Patterns of Population Growth
10.
Do populations stay at carrying capacity when they reach it?
11.
What is the most important factor that determines population growth?
12.
The two extremes of population growth seen in nature are:
a.
b.
13.
Characteristics of r-selected species;
a.
b.
c.
d.
14.
R-selected species’ populations _______________ and ________________
rapidly due to ___________________ changes.
15.
R-selected species are often ________________ species in areas of primary or
secondary succession.
16.
Characteristics of k-selected species:
a.
b.
c.
17.
K-selected species live in more ___________ environments and maintain
population sizes near ________________ ______________.
Population Growth Limits
18.
What are 2 types of limiting factors?
a.
b.
19.
Density-dependent factors such as _________________, ______________,
________________, and _______________ have an _________________ effect as the
population _______________.
20.
Density-independent factors affect all ________________, regardless of their
________________.
21.
Give 3 examples of density-independent factors.
22.
During predator-prey interactions as one population _______________ or
_________________ so does the other.
23.
Predator-prey interactions help remove the old, ____________, or
______________ to make sure the _______________ reproduce.
24.
Populations growth may also be limited by _________________ and
________________.