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WorksheetsES 4th 6 Weeks Review
Total questions: 15
Worksheet time: 18mins
Name
Class
Date
1.
Alaskan bears have a lifespan of 8 years and a reproductive rate of 3 per year.
Washington bears have a lifespan of 10 years and a reproductive rate of 2 per year.
Which population of bears has the highest biotic potential?
Washington bears have a lifespan of 10 years and a reproductive rate of 2 per year.
Which population of bears has the highest biotic potential?
a)
Alaskan
b)
Washington
c)
They are the same
2.
In 1918, a really bad flu killed a lot of people in the United States. More people were dying than were being born. Which would be true about the growth rate (r) during that time?
a)
It would be a positive number
b)
It would be a negative number
c)
It would be zero
3.
The city of Riverside, where Ms. Cade went to college, has an area of 80 square miles and a population of 325,000 people.
What is the population density of Riverside?
What is the population density of Riverside?
a)
0.246 people per square mile
b)
2461.5 people per square mile
c)
4062.5 people per square mile
d)
4 people per square mile
4.
Which is NOT a characteristic of a K-selected species?
a)
Few offspring
b)
Lots of parental care
c)
Repeated reproduction
d)
Type 3 survivorship curve
5.
The maximum number of individuals that an area can support over a long period of time is called the...
a)
Carrying capacity
b)
Population density
c)
Exponential growth
d)
Dispersion
6.
A population was studied for a year. There were 500 people born. 750 people died. The total population size was 5000.
What was the GROWTH rate of the population last year?
What was the GROWTH rate of the population last year?
a)
0.1
b)
-0.05
c)
0.05
d)
-0.15
7.
Which of these is a density dependent limiting factor?
a)
Really cold winter
b)
Drought
c)
Wildfire
d)
Predation
8.
Which of these is NOT considered an invasive species?
a)
Alligators in Florida
b)
Rabbits in Australia
c)
Wild Hogs in West Texas
d)
Zebra Mussels in U.S. Lakes
9.
Right now, the current growth rate of Russia is -0.002. How long will it take the population of Russia to double in size?
a)
350 years
b)
285 years
c)
35 years
d)
It will never double at this rate
10.
What kind of dispersion pattern is seen in the image?
a)
Uniform
b)
Random
c)
Clumped
11.
Which of the age structure diagrams shows a developing country?
a)
A
b)
B
12.
At approximately what generation did this population reach its carrying capacity?
a)
3
b)
6
c)
7
d)
9
13.
A disease wipes out all the rabbits in this ecosystem. What is the most likely thing to happen after that?
a)
The mouse population will decrease
b)
The fox population will decrease
c)
The deer population will decrease
d)
The snake population will decrease
14.
A group of gorillas was studied for a year. The population size was 250 members. 15 babies were born and 20 died. What is the birth rate of this population?
a)
0.06
b)
0.08
c)
-0.02
d)
0.02
15.
What other subject does Ms. Cade teach besides Environmental Systems?
a)
Chemistry
b)
Physics
c)
Astronomy
d)
Cosmetology
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