stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Ecology Review S 21 Flashcards | StudBud
Explore
/
Ecology Review S 21
Ecology Review S 21
34 terms
·
StudBud Administration
·
1,312 plays
This is a review game for my students' Ecology Test and Review for their EOC
Flashcards
34 cards
F
Practice quiz
P
Host live
L
Questions
34
Answers
1
In an ecosystem, which is NOT a density-dependent limiting factor?
competition
predation
parasitism
natural disaster
2
Based on the data table, which pop. will be the
LAST
to die out bc of an increase in acid rain?
clams
frogs
trout
snails
3
By causing atmospheric changes through activities like polluting & deforestation, humans have
affected global stability in a positive way.
established equilibrium in ecosystems.
caused the destruction of habitats.
replaced nonrenewable resources.
4
Lichens & mosses are organisms that are the first to live in an area that has not had soil before
they are pioneer species
they are extinct species
they are predators
they are symbiotic
5
What is the order of levels of organization in ecology from
largest
to
smallest
?
organism, community, population, ecosystem, biome, biosphere
organism, population, community, ecosystem, biome, biosphere
biosphere, biome, ecosystem, community, population, organism
community, ecosystem, organism, population, biosphere
6
When organisms die, what prevents the environment from being overwhelmed by the dead bodies?
d. Decomposers use them as food.
Rainwater washed them away.
b. Natural and controlled fires burn them.
c. Sunlight releases energy from their tissues.
7
_______describes an ecological relationship between members of at least two different species.
Succession
Symbiosis
Niche
Food Web
8
Which of the following types of succession would most likely occur after a forest fire?
secondary succession
climax community
primary succession
old field succession
9
What is the type of limiting factor that limits growth
regardless
of density? Example?
Density-Independent--Ex: predation
Density-Dependent--volcano
Density-Dependent--Ex. disease
Density-Independent--Ex: Forest Fire
10
Members of the same species found in an ecosystem are called a ________________.
ecosystem
community
organism
population
11
In this wetlands ecosystem, what
abiotic
factor could limit the population growth?
number of plant species
migratory bird populations
decreased dissolved O2 levels
number of predators
12
Please choose an organism below that is considered an autotroph.
phytoplankton
algae
rabbit
phytoplankton & algae
13
What are the four factors that can affect a population's size?
births, deaths, natural disasters, pollution
There are more than just four factors
Natural selection, genetic drift, gene flow, predation
births, immigration, deaths, and/or emmigration
14
Which will increase a population?
Emigration
Predation
deaths
Immigration
15
16 catfish live in a pond with an area of 2 square kilometers. What is the population density?
8 Kms
6 Km2
2 Kms
4 Kms
16
Due to insecticides the cricket pop. is greatly reduced-which organisms would be
most
affected?
grasses
mice
hawks
frogs
17
This type of symbiotic relationship occurs when
both
species benefit from the relationship.
mutualism
parastisim
symbiosis
commensalism
18
How does CO
2
move from the atmosphere to organic molecules
photosynthesis
cellular respiration
decomposition
combustion
19
What is the term for the number of different organisms living in an ecosystem?
density-dependent
population density
logistic growth
biodiversity
20
What type of succession is this?
sucession
primary succession
density-dependent
secondary succesion
21
True/False: We are currently studying for our Ecology Test.
False
True
22
Study of the interaction of living organisms with each other and their physical environment is
geology
ecology
health
biology
23
The mx number of individuals that the environment can support without being harmed
Exponential growth (G)
Niche (N)
Max capacity (M)
Carrying capacity (K)
24
The type of population growth that grows quickly and follows this graph is ______.
exponential growth
logistic growh
density-dependent
fast growth
25
The behavior of two species attempting to use the same living space, food, and water source.
predatory
parastism
symbiotic
competitive
26
Which is an accurate description of the growth of a natural animal population?
It is genetically determined.
It continues to grow indefinitely.
It is limited by environmental factors.
It never changes.
27
Which would INCREASE the carrying capacity for white-tailed deer in the NC forest ecosystem?
A re-introduction of a native tree that produces more seeds.
The re-introduction of the Eastern cougar into NC.
A large migration of the closely related mule deer, into NC.
Construction of new roads & increased traffic in the area.
28
Volcanoes, tsunamis, tornados, and hurricanes are all
density-dependent limiting factors
biotic factors
density-independent limiting factors
all of these
29
List 4 ex. of how Earth moves nonliving matter through living & nonliving parts of ecosystems?
water, oil, coal, and nitrogen cycles
wind, water, rain, and soil cycles
water, nitrogen, carbon, and phosphorus cycles
water, nitrogen, food web, and carbon cycles
30
Where is the most Biodiversity and why?
Near the Equator because it's where a lot of rainforests are
Near the Equator because it’s warmer and more humid
Arctic, bc it is a fragile ecosystem
Temperate Forests, bc there are a lot of them
31
Which of these are examples of abiotic factors?
all of the above
rocks
water
temperature
32
What is the term used when describing the job of an organism within its ecosystem?
symbiosis
predation
niche
habitat
33
Humans add greatly to the carbon cycle by__________________.
conserving energy
driving cars
using solar power
planting trees
34
Increase in Earth’s avg temp due to the buildup of CO
2
& other gases in Earth's atmosphere is__
bioremediation
ozone build-up
exponential growth
Global Warming
