1. QUESTION 1
A desert is classified as a desert because of its
temperatur
e.
altitude.
latitude.
lack of
rainfall. 1. QUESTION 2
A lake will “turn over” as ____ approaches.
Winter
Fall
Spring
Summ
er QUESTION 3
1.
A species that must live in an area, even if only in small numbers, or the ecosystem
collapses is known as a/an ______ species.
foundatio
n
pediment
impedim
ent
keystone
founder
capstone 1. QUESTION 4
A/an _____ consists of all the biotic and abiotic elements.
commun ity
populati
on
ecocyste
m
species 1. QUESTION 5
Abiotic factors in an environment include
temperature and
moisture.
others of its own
species.
None of these are
correct.
members of other
species.
All these are correct. 1. QUESTION 6
Adding fertilizers to lakes results in
All of th above choices are
correct.
lots of dead animals.
fewer fish species in the
water.
loss of oxygen in the water
None of the above choices is
correct. 1. QUESTION 7
An animal's habitat includes
All of these choices are correct.
None of these choices are
correct.
temperature and moisture.
members of other species.
other of its own species. 1. QUESTION 8
Antarctica is classified as a/an _____ biome.
desert
savan
na
taiga
tundr
a QUESTION 9
1.
As you walk through a forest you notice many different tree species. You are noticing
relative
abundance.
species
richness 1. QUESTION 10
At what temperature are most human enzymes destroyed.
20oC
36oC
freezi
ng
45oC
boilin
g 1. QUESTION 11
Camouflage and poisons are a direct result of a species suffering from
parasites.
intraspecific
competition.
cancer.
predation. 1. QUESTION 12
Changes in the length of the growing seasons and a shift in the latitudes of biomes is
due to solar flares.
change in the tilt of
the earth. polar reversal.
global warming.
1. QUESTION 13
Chaparral vegetation is adapted to frequent periodic
hail.
fire.
earthqua
ke.
tornado.
drought. 1. QUESTION 14
Coniferous forests often exist where
soil is thick with hot, dry summers and
mild winters.
soil is thin and acidic and decomposition
is slow.
soil is thick and alkaline and decomposition is fast.
soil is thin with monsoon seasons. 1. QUESTION 15
Consider trophic levels. Primary consumers are usually
carnivores.
alternotro
phs.
herbivores
.
autotrophs
. 1. QUESTION 16
Consider trophic levels. Secondary consumers are usually
herbivores
.
carnivores.
autotrophs
.
alternotro
phs. 1. QUESTION 17
Cool ocean currents, mild rainy winters, hot dry summers produce
chapar
ral
desert
tundra
taiga
savann
a 1. QUESTION 18
Coral reefs depend on the keystone species _____ to survive.
sea
urchins
sea star
seaweed
sea
horse 1. QUESTION 19
Dinoflagelates help create a coral reef by their photosynthetic activity. Where do
dinoflaggelates get their carbon dioxide and ammonia? They get them from the plants of the coral reef.
. degradation of calcium
carbonate.
from seaweeds.
the animals of the coral
reef. 1. QUESTION 20
Eutrophication results from
not enough sewage and fertilizer in lakes
and streams.
too much sewage and fertilizer in lakes
and streams.
too many euts in lakes and streams. too few euts A desertin lakes and streams.

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