stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chapter 4: Ecosystems and Biomes Unit Test REVIEW Flashcards | StudBud
Explore
/
Chapter 4: Ecosystems and Biomes Unit Test REVIEW
Chapter 4: Ecosystems and Biomes Unit Test REVIEW
31 terms
·
StudBud Administration
·
509 plays
Review for Ch 4: Ecosystems and Biomes Unit Test
Flashcards
31 cards
F
Practice quiz
P
Host live
L
Questions
31
Answers
1
By planting a tree, you help nature....
remove free nitrogen from the air.
add atmospheric CO2 into the air.
speed up the process of primary succession.
remove atmospheric CO2 from the air.
2
The gray wolves in a forest make up a/an.....
community
ecosystem
individual
population
3
Which event can increase the chance of a severe algae bloom in a pond?
nitrogen fertilizer carried into pond by rainwater runoff
introduction of exotic species of fish
lack of cloudy, rainy weather for long periods of time
4
If a forest fire damages an ecosystem, you can expect.....
a very different ecosystem if given time.
a similar ecosystem to reestablish if given time.
a similar ecosystem to reestablish within a year
bare rock with no soil.
5
What can you infer about the Ohio deer population between 1940 and 1996?
NOT ENOUGH INFORMATION!!!
The annual death rate was greater than the birth rate.
Invasive species outcompeted deer for food.
The annual birth rate was greater than the death rate.
6
A pond is slowly filling in over time. What type of succession is this .... and why?
SECONDARY, soil is already there at the bottom of pond
PRIMARY, there is only bare rock and no existing ecosystem
7
What would happen to the stability of an ecosystem if plant species began to die off.
more stable: predators can easily find prey
more unstable: animals would run out of oxygen
more unstable: not enough energy to support food web
8
During cellular respiration, a snake releases ________ as a waste product.
fixed nitrogen
carbon dioxide
carbon monoxide
oxygen
9
List ecological organization from smallest to greatest.
ocean, lake, pond, puddle
ecosystem, community, population, organism
organism, population, community, ecosystem
10
Why would you expect greater biodiversity in the upper zone of a deep lake?
most organisms float
more sunlight for photosynthesis
many species are scared of the dark
less pollution
11
Two pioneer species which can grow on bare rock and begin the process of creating soil.....
softwood trees, hardwood trees
mosses, lichens
legumes, algae
clover, alfalfa
12
Lava cools and hardens. Which type of succession will follow?
tertiary
primary
elementary
secondary
13
Buffelgrass is a non-native, _____________ desert plant which 'strangles' native plants.
protected
persuasive
invasive
repulsive
14
The nonliving parts of an ecosystem are called ________________.
abiotic
biotic
15
In each stage of succession, the community of living things.....
gets 'disturbed' by a natural disaster
modifies the environment to benefit the next community
16
Two events which can lead to primary succession are......
pond filling in, swamp drained
logging, forest fire
receding glacier, volcanic eruption
species extinction, legume infestation
17
One example of a biotic / abiotic interaction in a wetland would be.......
a salamander hiding under a log.
a crayfish burrowing in the mud.
liquid water evaporating into the air.
a duckling eating algae.
18
The LIVING parts of an ecosystem are called _______________.
abiotic
climate zones
biomes
biotic
19
It's mainly the CLIMATE (avg. annual ______ and _______) in an area that determines its biome)
longitude and latitude
temperature and precipitation
biotic and abiotic factors
sunlight and weather
20
Plants and algae use _____ , ______ , and _____ to make food.
sunlight, CO2, H2O
free nitrogen, CO2, H2O
fixed nitrogen, oxygen, H2O
sunlight, oxygen, H2O
21
As energy moves up the pyramid, each level has ________ energy available than the level before.
less
more
22
Look for trends. As the wolf population increases, the _____________.
moose population increases.
moose population remains stable.
not enough information.
moose population decreases.
23
In a marine ecosystem, one biotic factor would be .....
the number of autotrophs.
the pH of water.
the salinity (salt content) of water.
the water temperature.
24
All the different populations that live together in the fish tank make up a/an ....
ecosystem
community
legume
species
25
If the birth rate of minnows exceeds the death rate in a given year, the population will.....
increase.
disappear (extinction).
decrease.
remain the same.
26
The best way to deal with invasive species is to.....
detect invasions early and manually remove
prevent invasions BEFORE they occur
attempt to remove the most harmful species first
ask them politely to 'go home'
27
Which community is the most stable?
softwood trees - pines
annual plants
hardwood trees
shrubs
28
Which activity in a pond ecosystem increases the amount of energy available to living things?
Bass feeding on bluegill.
Dragonflies feeding on mosquitoes.
Algae changing sunlight into food.
Snakes feeding on minnows.
29
The MOST energy is available at the ___________ level of the energy pyramid.
secondary consumer
primary consumer
producer
tertiary consumer
30
wetlands make ideal habitats for many species because they.....
are not populated by humans
provide abundant shelter and a large supply of nutrients
help filter water and prevent floods
stay warmer compared to other ecosystems
31
Which of the following is a POPULATION?
one goldfish in a fish tank
water and gravel in a fish tank
goldfish and guppies in a fish tank
guppies in a fish tank
