Glencoe Science Level Green

Chapter 18: Interactions of Living Things

Section 2 Self-Check Quiz-Eng.

1
All of the goldfish in an aquarium would represent a(n) __________.
A)community
B)population
C)ecosystem
D)biome
2
All the communities in an area and the abiotic factors that affect them would be called __________.
A)an ecosystem
B)a population
C)a biome
D)the biosphere
3
Which one of the following would cause the size of a mouse population to increase?
A)Old mice die.
B)Mice are eaten as prey.
C)Mice are born.
D)Mice wander away to new nests.
4
The number of individuals in a population that occupy a definite area is called __________.
A)population density
B)population size
C)population spacing
D)population decrease
5
Population spacing that results when birds gather in flocks is described as __________.
A)random spacing
B)even spacing
C)independent spacing
D)clumped spacing
6
Due to __________, populations cannot continue to grow larger forever.
A)biotic potential
B)symbiosis
C)limiting factors
D)habitats
7
A symbiotic relationship that benefits both species is called __________.
A)commensalism
B)parasitism
C)mutualism
D)predation
8
A pond has enough nesting space for 200 ducks. When the duck population increases to 250, some ducks cannot find nesting spaces. This pond has reached its __________ for ducks.
A)biotic potential
B)carrying capacity
C)limiting factor
D)population density
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