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Unit 2 (Ch 3, 4, and 5) Review Flashcards | StudBud
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Unit 2 (Ch 3, 4, and 5) Review
What is commensalism?
What is parasitism?
Unit 2 (Ch 3, 4, and 5) Review
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1
What is parasitism?
Symbiosis where both organisms benefit
Symbiosis where one benefits and one is harmed
Symbiosis where one benefits and one is unaffected
2
What is commensalism?
Symbiosis where one benefits and one is harmed
Symbiosis where one benefits and one is unaffected
Symbiosis where both organisms benefit
3
What level of organization brings in non-living factors?
Ecosystem
solar system
nature systems
math systems
4
What is the difference in biotic and abiotic factors?
Abiotic will kill you, biotic wont
Biotic = nonliving; Abiotic = living
Biotic = living; Abiotic = nonliving
Biotic will kill you, abiotic wont
5
Can organisms occupy different niches inside other organisms?
Yes
No
6
Which is NOT a nutrient present in aquatic ecosystems?
Oxygen
Sulfur
Potassium
Nitrogen
7
What is a food web?
A series of steps of feeding interactions
Food chains are more complex
a complex network of feeding interactions
A food web is simpler than food chains
8
What is NOT an example of density-dependent limiting factors?
Predation
Disease
Weather
Competition
9
Why does succession take place?
Organisms change the environment making it worse for others
Organisms change the environment making it better for others
Because life is never completely wiped out in succession
Because minor disturbances don't change much
10
if an organism eats an insect is it herbivore or carnivore?
carnivore
neither
herbivore
both
11
What is exponential growth?
You grow faster the smaller the population gets
You grow slower the larger the population gets
You grow the same regardless of population size
You grow faster the larger the population gets
12
What is logistic growth?
Following exponential growth, growth immediately stops
Growth is always very slow
Growth varies between periods of fast and slow growth
Following exponential growth, growth slows then stops
13
What are primary producers?
Animals
Plants
The base of any food chain
The top of the food chain
14
What lists ALL the factors that can affect a populations growth?
Birth rate and death rate
Birthrate, death rate, Immigration
Birthrate, death rate, Immigration, emigration
Immigration and emigration
15
Does matter always exist in its present state? Explain.
no, it only exists in the past
yes, its always changing
No, it is constantly changing
yes, it only exists in the past
16
What type of disturbance would cause primary succession?
A forest fire
A flood
A hurricane
A volcano
17
What is a freshwater wetland?
A river
A bog
A swamp
A lake
18
What is needed for the photic zone?
Too little light for photosynthesis
Enough light for photosynthesis
An algal bloom
Enough light for chemosynthesis
19
Which is NOT a way carbon cycles through the biosphere?
Erosion
Photosynthesis
Decomposition
Burning fossil fuels
20
What is mutualism?
Symbiosis where one benefits and one is harmed
Symbiosis where both organisms benefit
Symbiosis where one benefits and one is unaffected
21
What is a limiting factor?
Something that increases growth of a population
Something that is no concern in logistic growth
Anything that limits the growth of a population
Something that only affects exponential growth
22
What is the term used to represent each step in a food chain or web?
normal level
trophic level
micro level
sea level
23
What organisms would dominate in a climax community?
Trees
Moss
Shrubs
Grasses
24
What does the age structure of a population tell you?
Tells you the number of females in a population
The number of males and females of each age in a population
Tells you the number of males in a population
Tells you the number of males and females in a population
25
What organisms are important in nitrogen fixation and where do they live?
bacteria; in organisms
Bacteria; live on roots of legumes
bacteria; on the surfaces of foods
bacteria; in dirt
26
What is demography?
The study of democracy
The study of animal populations
The study of human population
The study of graphs
27
What is geographic distribution?
How the continents are spaced out
How crowded a population is
How organisms are spread out within a population
Where an organism can be found
28
Which is an example of a density-independent limiting factor?
Competition
Weather
Disease
Predation
29
What is a simple definition of ecology?
The study of life
The study of interactions
The study of money
The study of economy
30
If a predators population decreases, what would happen to the prey population
it would decrease
it would go down
it would stay the same
It would increase
31
What is the demographic transition?
Transition from low Birth/High Death to Low Death/High birth
A transition from low birth/death rates to high birth/death
Transition from High Birth/Low Death to High Death/Low birth
A transition from high birth/death rates to low birth/death
32
Why do organisms need nutrients?
energy
to carry out life functions and processes
because they are delicious
33
What type of energy do plants use to make sugar?
energy
sunlight
normal energy
nuclear energy
34
Can energy be recycled?
No
Yes
35
How is population density different from population distribution?
Distribution is more important
Density=how crowded, Distribution=how they're spaced out
Density is more important
Density=how they're spaced out, Distribution=how crowded
36
What is the difference between weather and climate?
Weather is smaller than climate
Climate changes, weather doesnt
Weather = average over time, Climate = day to day
Weather = day to day, Climate = average over time
37
What uses does phosphorus have in living organisms?
component of DNA and RNA
makes carbs
makes them burn
to make proteins
38
What event led to exponential human growth?
Industrial Revolution
World War II
Development of Agriculture
World War I
39
Why does earth have 3 climate zones?
Latitude causes equal heat distribution
Longitude causes unequal heat distribution
Latitude causes unequal heat distribution
Longitude causes equal heat distribution
40
Generally speaking, where do decomposers lie on a food web?
inside, to the side
outside, towards the bottom
outside, to the side
inside, towards the bottom
41
Can nutrients be recycled?
No
Yes
42
Which region is the warmest?
Polar
Temperate
Tropical
43
What is an estuary?
a wetland that forms when the sea meets the ocean
a lake that forms when a river meets the sea
a river that forms when a river meets the sea
A wetland that forms when a river meets the sea
44
Which does NOT correctly match a stage of the demographic transition?
Stage 1 = High Death/High Birth
Stage 2 = High Death/Low Birth
Stage 2 = High Birth/Low Death
Stage 3 = Low Birth/Low Death
45
Complete the sentence about the competitive exclusion principle: No two species can have the...
same niche at the same time
same place at the same time
same niche in the same place at the same time
same niche in the same place
46
What does our body release as a result of chemical reactions required to sustain our life?
oxygen
heat
shelter
water
47
What is needed for secondary succession to occur?
Soil
Grass
Water
Bunny Rabbits
48
What can cause succession to start over?
Bears
Another disturbance
Pigeons
Animals
49
Name each level of organization in the proper order
individual community biome biosphere population
Individual population community ecosystem biome biosphere
biosphere biome community individual population
population biome bioshpere individual biome
50
What is the difference between Immigration and emigration?
Immigration = out, emigration = in
Immigration = in, emigration = out
Immigration makes your population smaller
Emigration makes your population bigger
51
What is carrying capacity?
How much food is available
The maximum number of prey a predator can consume
The amount of biomass in the ecosystem
The maximum number of organisms an environment can support
52
What is the greenhouse effect?
A natural phenomenon that maintains earth's temperature
The way that light gets to earth
A totally man-made problem
Another name for photosynthesis
53
What type of autotroph can make energy without sunlight?
your mom
mushroom
a chemosynthetic autotroph
a photoheterotroph
54
What is a habitat?
Where an organism doesnt live
What an organism does
Where an organism lives
What organisms eat
