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Bio Chap. 4 Flashcards | StudBud
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Bio Chap. 4
Bio Chap. 4
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Answers
1
Why is an organism’s niche like a person’s occupation?
An organism can “make a living” and survive in its niche.
An organism makes “money” by working in its niche.
A niche is a “factory” where organisms build things.
A niche is a “company” that the organism has to work in.
2
An organism’s niche is
a full description of the place an organism lives.
the range of temperatures that the organism needs to survive.
all the physical and biological factors in the organism’s environment.
range of phy. & bio cond. in which an organism need to live & reproduce
3
All of the following factors contribute to Earth’s climate EXCEPT
shape and elevation of landmasses.
latitude.
longitude.
transport of heat by winds.
4
The tendency for warm air to rise and cool air to sink results in
ocean upwelling.
global wind patterns
the seasons.
regional precipitation.
5
A predator is an animal that
eats plants.
lives inside another animal.
kills and eats other animals
lives on another animal without harming it
6
No two species can occupy the same niche in the same habitat at the same time
unless the species require different abiotic factors.
because of the interactions that shape the ecosystem.
because of the competitive exclusion principle.
unless the species require different biotic factors.
7
Which of the following is a biological aspect of an organism’s niche?
the water in the area
composition of soil
the way it gets food
amount of sunlight
8
What would happen if the population of the bird species shown in the ecosystem in Figure 4–1 were to suddenly decrease?
The fish would occupy the birds’ niche.
The grass population would increase.
The fish population would increase.
The grass and fish would compete for resources.
9
An interaction in which an animal feeds on plants is called
carnivory.
herbivory.
symbiosis.
predation.
10
Polar bears live in the arctic. The arctic is their
tolerance.
microclimate.
habitat.
niche.
11
The average conditions of the atmosphere in a particular area are referred to as the area’s
climate.
latitude.
weather.
ecosystem.
12
Several species of warblers can live in the same spruce tree ONLY because they
can find different temperatures within the tree.
occupy different niches within the tree.
don’t eat food from the tree.
have different habitats within the tree.
13
How is parasitism different from commensalism?
One organism benefits in parasitism & no organisms benefit in commensalism.
One organism is harmed in parasitism & both are harmed in commensalism.
One organism is harmed in parasitism & no organ are harmed in commensalism.
Both organisms benefit in parasitism & only one benefits in commensalism.
14
Primary succession would most likely occur after
a lava flow.
a forest fire.
a severe storm.
farm land is abandoned.
15
The greenhouse effect is
unnatural phen. that causes heat energy to be radiated back into the atmos
something that has only occurred for the last 50 years.
the result of the differences in the angle of the sun’s rays.
a natural phenomenon that maintains Earth’s temperature range.
16
Earth has three main climate zones because of the differences in latitude and, thus,
distribution of sunlight.
amount of precipitation received.
ocean currents.
prevailing winds.
17
A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are
mutualists.
predators.
hosts.
prey.
18
A symbiotic relationship in which one organism is harmed and the other benefits is
predation.
mutualism.
parasitism.
commensalism.
19
How does an area’s weather differ from the area’s climate?
weather doesnt change very much and an area’s climate changes many times.
Weather involves temp & precipitation and climate involves only temperature
Weather is the area’s day-to-day cond. and climate is the area’s ave cond.
weather depends on where it is located on Earth & the area’s climate doesnt
20
A symbiotic relationship in which both species benefit is
mutualism.
predation.
commensalism.
parasitism.
21
What is one difference between primary and secondary succession?
Primary succession is rapid and secondary succession is slow.
2nd suc. begins on soil & primary suc. begins on newly exposed surfaces.
Secondary succession begins w/ lichens & primary succ. begins with trees
Primary succession mod. the environment and secondary succession does not.
