1. A human population will increase if:

Question

a. The number of immigrants to that population increases.
b. A group of people in that population decide to emigrate to another region.
c. A disease epidemic causes an increase in the death rate of a region.
d. Parents in that population decide to have fewer children.
2. Which of the following would NOT be considered a limiting factor for a terrestrial plant like corn?
a. Sunlight.
b. Water.
c. Presence of herbivores.
d. Availability of soil nutrients.
Use the following image to answer questions 3 - 5.

3. Which part of the graph shows exponential growth and a J-shaped curve?

a. B.
b. C.
c. D.
d. A.
4. On the image, the section of the curve labeled D shows that the population of organisms has exceeded the carrying capacity of the region and is in rapid decline. This is called:
a. A population crash.
b. A limiting factor.
c. An ecological tipping point.
d. An S-shaped curve.
5. Which of the following statements is TRUE? According to this graph:
a. this species of organisms began to migrate out of the area around 192
b. these organisms were likely generalists that could use various resources and could move between regions easily.
c. these organisms likely consumed all of their available resources around 1945.
d. there is an S-shaped curve at point D.

Answer 1

1. a. The number of immigrants to that population increases.
4. a. A population crash.
5. b. these organisms were likely generalists that could use various resources and could move between regions easily.