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Biology Semester 1 Final Review
Test Description: Chapter 3, 4 and 5 review
Instructions: Answer all questions to get your test result.
1) Herd animals are usually concentrated in the __________ biome.
A
tundra
B
tropical rainforest
C
forest
D
grassland
2) The great northern coniferous forests are part of the ______ biome.
A
tropical rainforest
B
grassland
C
taiga
D
tundra
3) The range of factors under which an organism functions and survives is known as __________.
A
habitat
B
a limiting factor
C
tolerance
D
abiotic factors
4) The colonization of new sites by communities of organisms is ___________ succession.
A
secondary
B
primary
C
environmental
D
scientific
5) The region of the ocean shallow enough for sunlight to penetrate is the ________ zone.
A
dead
B
intertidal
C
aphotic
D
photic
6) The stable ecosystem that develops due to succession _____.
A
is called a climax community
B
never changes
C
is always a forest
D
is called a niche
7) The first organisms to appear in an area undergoing succession are known as ____________________.
A
autotrophs
B
pioneer species
C
herbivores
D
climax community
8) The effect of movement of people between counties has _____ effect on total world population.
A
a great
B
a damaging
C
little
D
no
9) Bacteria employ a(n) _____ reproductive strategy, a characteristic determined by their small size, rapid maturation, and short life span.
A
unusual
B
slow
C
rapid
D
early
10) A population that grows until it reaches its carrying capacity usually has the shape of an _____.
A
I
B
J
C
M
D
S
11) Density-independent factors are limiting factors whose effects are _____.
A
not influenced by population densities
B
determined by the degree of competition for resources
C
determined by the difference between birthrate and population density
D
confined to the habitat of the population
12) Unrestricted populations of organisms experience _____.
A
biotic growth
B
linear growth
C
exponential growth
D
fertility
13) When you study all the growth characteristics of a human population, you are studying itsĀ _____.
A
reproductive pattern
B
exponential growth
C
life-history pattern
D
demography
14) The major threat to biodiversity is _____.
A
habitat fragmentation
B
habitat degradation
C
exotic species
D
habitat loss
15) Acid rain changes the pH of soil, killing some trees. This is an example of _____.
A
global warming problems
B
exotic species
C
habitat fragmentation
D
habitat degradation
16) The number of species in an area is a measure of ____________.
A
climax community
B
succession
C
biodiversity
D
niche
17) A species that is brought to a place where it never lived is considered a(n) _______species.
A
primary
B
new
C
native
D
exotic
18) A conservation biologist's main concern is protecting __________.
A
biodiversity
B
habitats
C
zoos
D
islands
19) When roads cut across natural areas, this produces habitat _____________.
A
change
B
loss
C
fragmentation
D
degradation
20) A plot of protected land may have different conditions at the edges than in the middle. This is known as _______ effect.
A
edge
B
corridor
C
boundary
D
linear
*select an answer for all questions
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