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