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Ecology Unit Review
The littoral zone is?
Levels of ecology: what is an ecosystem?
Ecology Unit Review
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Review Quiz for Ecology Unit Test
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Answers
1
Levels of ecology: what is an ecosystem?
a group of a single species living together
the area of the earth that supports life
several populations living together
The habitat where the community lives
2
The littoral zone is?
near shore
near the bottom of the lake
top layer of the center of a lake
where light cannot reach
3
which organism captures atmospheric nitrogen for the process of nitrogen fixation?
viruses
bacteria
autotrophs
fungi
4
True or false temperature difference in tropical zone & arctic caused by angle of sun's rays
False
True
5
air, water, soil, sun, rainfall, rocks and temperature
predation
symbiosis
biotic factors
abiotic factors
6
The third level in the energy pyramid is called?
primary producers
secondary consumers
primary consumers
tertiary consumers
7
Which organism would most likely be at the top of the energy pyramid?
tiger
grass
insects
crab
8
Which zone is from the 0 degrees latitude to 30 degrees north and 30 degrees south?
temperate zone
tropical zone
arctic zone
the equator
9
all living things are composed of what?
calcium
air
carbon
bones
10
In energy pyramid shown what would happen to the other populations if the eagles were diseased
birds increase, grasshoppers decrease, grass increase
birds decrease, grasshoppers decrease, grass decrease
birds increase, grasshoppers increase and grass decrease
birds increase, grasshoppers increase, grass increase
11
Limiting factors of a population of cacti would be..
water, nutrients in the soil, drought
nutrients, water, shelter
pH, salinity, water depth
12
What is a heterotroph?
usually omnivores
organism that consumes other organisms for energy
organisms that don't need energy
organism that can create its own energy
13
living things are?
habitats
prey
biotic factors
abiotic factors
14
Natural and gradual changes in species that live in an area after a ecosystem disrupting event?
ecological succession
population growth
competitive exclusion
climate change
15
The rule of how energy flows up the energy pyramid is called?
The biosphere rule
10% rule
rule of food webs
trick question there is no rule
16
Autotroph?
generally omnivores
organism that makes its own energy
organisms that don't need energy
organism that consumes other organisms for energy
17
These are all examples of renewable resources.
wind, solar, tidal energy
hydroelectric, coal, natural gas
hydrogen cells, oil, coal
tidal energy, natural gas, geothermal
18
What is the definition of a non-renewable resource?
a resource that will not renew at all
a resource that will not renew within our lifetime.
a resource that will come back in approximately 50 years
19
What would happen if we did not have genetic diversity?
it would make that species weaker as a group
it would greatly effect the decomposers
There would be no autotrophs
it would only effect the heterotrophs
20
The profundal zone is?
top layer of water away from shore
near shore
the bottom of the lake
where light can reach
21
model representing interconnected food chains and how energy flows through a group of organisms
food web
map
habitat
biosphere
22
When a mountain blocks moisture from an area causing a desert climate in that area?
Rain Shadow
El Nino
Reverse precipitation
Habitat interruption
23
evaporation, condensation, transpiration
nitrogen fixation
ways water gets into the atmosphere
ways animals get energy
ways plants grow
24
What are limiting factors?
biotic and abiotic factors that limit population size
factors that effect only heterotrophs in a food web
only biotic factors that limit population size
25
When a population exceeds its carrying capacity what happens?
organisms will have to find another niche
some individuals die off until equilibrium is reached
a new carrying capacity is created
26
All of these are threats to biodiversity except?
effect of latitude on climate
loss of habitat
invasive species
pollution
27
The bottom level in the energy pyramid is called?
tertiary consumers
primary producers
primary consumers
it's called the bottom level..you gave us the answer duh.
28
What is the main reason the earth has 3 climate zones?
differences in latitude
warm air rises and cold air sinks
rain patters cause heat or cool in different areas
land masses block heat
29
What is a renewable resource?
a resource that is limitless
resource replaced by natural processes within human life
a resource that will come back within about 50 years
30
What is desertification?
When all of the organisms in a community leave an area
reduction of soil's ability to retain water and nutrients
removal of large numbers of trees from a forest
a type of strip mining to obtain fossil fuels
31
What are the three parts of biodiversity?
genetic, in organisms and ecosystems
in organisms, populations and latitude
genetic, biosphere and autotrophs
32
If a tree has carbon in it, is cut down and burned the releasing agent of carbon was?
the person who cut down the tree is the releasing agent
combustion was the releasing agent
The tree is the releasing agent
Whatever was used to cut down the tree
33
Which of the following is not a heterotroph?
deer
human
fungus
pine tree
34
A species nonnative to an ecosystem whose introduction usually causes damage?
migratory species
any kind of shark
confrontational species
invasive species
35
What is the difference between weather and climate?
There is no difference between the two
Climate is a specific time and place, weather is the average
Weather has to do with rain, snow, and fog, climate does not
Weather is a specific place/time, climate is the average
36
What is a carbon sink?
something that is actively releasing carbon in to the system
the releasing agent in the carbon cycle
carbon is stored for a short or extended period of time
37
True or False Latitude does not effect climate
True
False
38
If the tertiary consumers have 25 kcal of energy how much do the primary producers have?
2500 kcal
250,000 kcal
25 kcal
25,000 kcal
39
Where does the rest of the energy in the 10% rule?
lost as heat and thermal energy
used as energy and lost as heat
lost due to inefficient digestion systems
40
What zone is from 60 degrees north to 90 degrees north and 60 degrees south to 90 degrees south
arctic zone
tropic of cancer
temperate zone
tropical zone
41
Why is it important that nutrients are cycled through living systems?
to create minerals in the soil
the hydrogen bonds in water make it crucial
so a rain shadow is not created
Organisms need nutrients to function
42
The function of a decomposer is?
break down and recycle nutrients
produce energy
eat fresh dead meat
eat meat and veggies
43
Levels of ecology: What is a population?
the part of the earth that will support life
a bunch of different species living together
a bunch of a single species living together
one single organism
44
Which is not a phase of water?
gas
liquid
melting
solid
45
rain, snow, sleet
types of precipitation
types of atmospheres
types of cities
types of animals
46
The photic zone is?
is where chemosynthetic bacteria are the producers
all the way to the bottom of the open ocean
deep, cold and permanently dark
layer where light is available for photosynthesis
47
Which trophic level contains the most available energy?
primary producers
secondary consumers
tertiary consumers
primary consumers
48
What is carrying capacity?
it is when the number of organisms grows too high
it is the most important limiting factor
maximum organisms that live in an area by limiting factors
limiting factors like food, water and shelter
49
Fungi and Bacteria are examples of?
autotroph and decomposer
heterotroph and carnivore
heterotroph and decomposer
autotroph and omnivore
50
The pioneer species for secondary succession is?
grass and weeds
moss and ferns
lichen
mushrooms
51
Levels of ecology: what is the biosphere
it's a specific type of ecosystem
a group of organisms of a certain species
it's a special part of the water cycle
the thin area of the earth that is able to support life
52
What is Ecology?
autotroph vs heterotroph
Study of interactions of organisms and environment
food webs
the study of economics of ecosystems
53
Levels of ecology: what is a community?
It's like you know the grocery store, gas station, houses...
a group of populations living in an ecosystem
the area of the earth that supports life
a group of a single species living in an ecosystem
54
The pioneer species for primary succession is
lichen
moss and ferns
sapling trees
grass and weeds
55
Secondary succession starts with only?
rock
soil
grass and weeds
lichen
56
the exchange of matter through the biosphere
biogeochemical cycle
carbon cycle
water cycle
life cycle
57
Primary succession starts with only?
Soil
grass and weeds
Rock
lichen
58
The Limnetic zone is?
near shore triangle shaped area
toward the bottom of the lake
well light near surface away from shore
where light cannot reach
59
In kaibab deer when the deer population was low they killed off all the predators this caused?
deer to starve
the deer population to initially drop more
the grass population to flourish
more predators to populate out of control
