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Q 1/29
Score 0
An example of a population is
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all trees in a forest.
all plants in a forest.
all animals in a forest.
all maple trees in a forest
Q 2/29
Score 0
The density of a population is
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the number of individuals born every year.
the proportion of males and females.
the number of individuals per unit area
the number of individuals living in all cities
29 questions
Q.
An example of a population is
1
45 sec
Q.
The density of a population is
2
45 sec
Q.
Each of the following is an example of a parasite except
3
45 sec
Q.
The relationship between a Canadian lynx and a snowshoe hare is an example of
4
45 sec
Q.
In which of the following relationships is neither species harmed?
5
45 sec
Q.
Which of the following would most likely cause a large number of density-independent deaths in a population?
6
45 sec
Q.
Which of the following organisms has the highest reproductive potential?
a. dogs c. bacteria
b. elephants d. humans
7
45 sec
Q.
The relationship between acacia trees and the ants that live on them is an example of
8
45 sec
Q.
Which of the following has the greatest effect on reproductive potential?
9
45 sec
Q.
A true statement about parasitism is that parasites
10
45 sec
Q.
The carrying capacity of an environment for a particular species at a particular time is determined by the
11
45 sec
Q.
Which of the following statements is not correct?
12
45 sec
Q.
Which of the following is one of the main properties used to describe a population?
13
45 sec
Q.
Which of the following statements is correct?
14
45 sec
Q.
Competition for food cannot occur
15
45 sec
Q.
Which of the following reproductive situations will limit a population’s biotic potential?
16
45 sec
Q.
The difference between a predator and a parasite is that a predator
17
45 sec
Q.
A population’s ____________________________ is usually described as even, clumped, or random.
18
30 sec
Q.
The average age at which members of a species reproduce is that species’ _________________________.
19
30 sec
Q.
The maximum number of offspring that each member of a population can produce is the population’s ______________________________.
20
30 sec
Q.
Which of these is NOT used to describe a population?
21
30 sec
Q.
The ____________________________________ of an ecosystem for a particular species is the maximum population that the ecosystem can support indefinitely.
22
30 sec
Q.
T or F: Members of a species compete indirectly for resources by competing for a territory and for social dominance.
23
30 sec
Q.
A species’ ____________________ includes that species’ physical home, the environmental factors necessary for that species’ survival, and all its interactions with other organisms.
24
30 sec
Q.
The organisms in a cow’s stomach have a constant source of food; the organisms help the cow break down and use the grass it eats. This type of relationship is an example of ____________________.
25
30 sec
Q.
T or F: A population’s growth rate is its death rate minus its birth rate.
26
30 sec
Q.
T or F: A relationship in which two organisms live in close association, such as mutualism and commensalism, is called symbiosis.
27
30 sec
Q.
If a pair of mice finds a place to live with plenty of food and no predators, the population of mice will probably undergo ___________________________________ growth.
28
30 sec
Q.
A population has a(n) _____________________ growth rate when the death rate is higher than the birth rate.
