Population Size Answers

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How does population density differ from population size?

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2
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A population distribution shows _______.

A
the distribution of age groups within a population
B
the amount of organisms in a unit area
C
the total number of organisms in a population
D
where and in what arrangement organisms are located
3

Which of the following species is an R-selected species?

A
Giant tortoises
B
Mosquitoes
C
Elephants
D
Redwoods
4

Which of the following conditions would lead to a small population size?

A
a low birth to death ratio
B
a high birth to death ratio
C
immigration
D
large number of resources
5

What are the biotic and abiotic factors that limit population size?

Answer not available
6

Orange trees planted in a grove or orchard would most likely fall in which category of population distribution?

A
even
B
random
C
clumped
D
density
7

Why is it important to look at the combination of birth and death rates when considering population size?

Answer not available
8

Identify the abiotic limiting factor from the choices below.

A
biodiversity
B
food
C
water
D
plant cover
9

How do the biotic and abiotic limiting factors of an ecosystem determine its carrying capacity?

Answer not available
10

What are the possible impacts on the limiting factors that determine population size of an extended period of lower than normal rainfall?

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