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Ecology Exam Review Flashcards | StudBud
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Ecology Exam Review
Ecology Exam Review
60 terms
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Flashcards
60 cards
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Practice quiz
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Host live
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Questions
60
Answers
1
Immigration and Emigration dictate/influence?
Birth rates
Death rates
predator and prey getting along
Population growth rates
2
Which of the following is a scavenger?
Hyena
Fly
Vulture
All of the above
3
The Carrying Capacity is usually represented by a ....
a dotted horizontal line
a wavy diagonal line
vertical solid line
a dotted vertical line
4
If an organism has no natural predators, how will this eventually affect the species?
The population for that species will increase.
It will evolve much faster than normal
It can grow to humongous Godzilla sizes.
The species will go extinct
5
Is this biotic or abiotic?
Abiotic
Biotic
6
What is this a picture of?
Food Web
Food Chain
Primary Producers
Energy Pyramid
7
Which of the following is a biotic factor?
water
wind
humans
all of the above
8
A carrying capacity is usually stable when?
When a population is about to go extinct.
When a population has not enough food
When there is too much food.
births, deaths, immigration and emigration equal each other
9
Emigration is when you have...
when all organisms die
the removal of members from a population
when a native population grows due to new members
ice cream
10
When an organism has adapted to fulfill a specific role in an ecosystem.
Profession
Occupation
Niche
Job
11
Which of the following is an example of MUTUALISM?
A vulture eats the remains of food after a lion
A tick drinks blood from a dog
A hawk eats a fish
A bee drinks nectar and brings pollen to another plant
12
Which of the following is an abiotic factor?
soil
wind
all of the above
water
13
It is the maximum population size the enviroment can support.
Population Threshold
Carrying capacity
Exponential growth
Logistical growth
14
What is the best answer for a COMMUNITY?
One population living in a single spot.
Group of populations living in the same place.
A college where people go to learn more about the world.
Many people living across the world.
15
A group of the same species living in the same area
Density
Species
Family
Population
16
What is the MEASURE of the how tightly packed a population is?
Population Area
Population Clarity
Population Density
Population Landscape
17
The physical location that an organism lives
Habitat
Pad
Location
Crib
18
Is this biotic or abiotic?
Biotic
Abiotic
19
Predator-prey relationships help to control populations. True or False?
True
Both
Neither
False
20
What is sustainability?
The belief that humans are the dominant force on the planet.
The belief that ghosts are real. :-)
The capacity to feed only humans.
The ability to maintain biodiversity despite human need.
21
Which of the following is a biotic factor?
ocean current patterns
competition for food
temperature
water availability
22
A species of bird was released near you. Biologists have scrambled to remove it. Why?
It has a new type of beak that causes deafness in elephants
The birds make people happy
It's an invasive species that's decimating native species
The birds are providing too much food for native species
23
What is this a picture of?
Food Chain
Energy Pyramid
Primary Producers
Food Web
24
In a week, acidity began to increase dangerously in a pond.. what could be an outcome?
Fish learn to walk to another pond
All fish would evolve and fly away
Fish populations would increase
Fish populations would begin to decrease
25
The range of environmental factors that a species survive are called...
Psychological tolerance
Zones of tolerance
Thermal optimum
pH range
26
Level of Biodiversity that refers on the sum of all genetic information in the genes.
Ecosystem Diversity
Genetic Diversity
Species Diversity
Energy pyramid
27
Level of Biodiversity that measures the number of different kinds of ecosystems.
Organism Diversity
Ecosystem Diversity
Species Diversity
Genetic Diversity
28
Which of the following is NOT a reason why our human population is growing so large?
Humans produce a lot of trash
More medicines
Better production of food
Cleaner water supplies
29
Which of these is the biggest?
biome
population
ecosystem
biosphere
30
Immigration is when a population grows due to..
when all members die
the removal of members from a population
major health epidemics
the addition of members to a population
31
The living factors in an ecosystem
Biotic
Rebiotic
Unbiotic
Abiotic
32
It refers to the sequence of community and ecosystem changes after a disturbance, overtime.
Biomes
Ecological Succession
Ecological Pyramid
Pioneer Organisms
33
Which words can be used to describe this?
Carnivore
Primary Producer
Autotroph
Autotroph and Primary Producer
34
Level of Biodiversity that measures the number of different species.
Ecosystem Diversity
Energy Pyramid
Species Diversity
Genetic Diversity
35
It is the pattern of spacing among the individuals within the boundaries of the population.
Population
Distribution
Dispersion
Economics
36
What is the smallest grouping of similar organisms called?
Pod
Family
Species
School
37
What is the study of organisms and their environment called?
Ecology
Biology
Psychology
Geology
38
It occurs in an area where soil remains after a disturbance.
Climax Succession
Secondary Succession
Biome
Primary Succession
39
The struggle between individuals or populations for a limited resource.
Fight
Argument
Competition
Struggle
40
Which choice is not a usual reason for competition in nature?
Over mates
Over food
Over anger
Over shelter
41
Which is true about this graph?
Both paramecium species are still undergoing population growth
There is no competition with cultured together
P. aurelia outcompetes P. caudatum when cultured together
It takes more than a month to reach the carrying capacity
42
One problem with introducing new species to an area where it has no natural enemies is that....
they would be eaten by native species
they would compete with native species
the new species would evolve and fly away
they would become friends with the old species
43
A species of lizard depends on bugs to live, if the bugs disappear... the lizards?
All lizard species would go extinct
Would increase in population
Would boycott Heron pest control
Would reduce in population
44
Which of the following is an example of PARASITISM?
A bee drinks nectar and brings pollen to another plant
A hawk eats a fish
A tick drinks blood from a dog
A vulture eats the remains of food after a lion
45
It is the study of pop. in relation to the environment including influences on density & distribution, age structure.
Ecological Succession
Population Ecology
Population
Economics
46
If a line begins to slowly drop/decline on a growth chart, this would mean?
The population is now extinct
The organisms went back in time
That the population is decreasing
That the population is increasing
47
What is SYMBIOSIS?
A greedy relationship
A close relationship
A jealous relationship
A distant relationship
48
Which of these is true about the trophic levels?
There will always be more apex predators than producers
Consumers only absorb 10% of the energy available from the level below them
They are based entirely on abiotic factors
They will always be drawn with producers on the top and consumers below
49
Replanting trees can help with sustainability. True or False?
Neither
False
True
50
Which of the following is NOT an effect of HABITAT LOSS?
Less trees can damage the soil
Organisms loose their homes
Biodiversity is lowered
Birds and insects have more places to live
51
If a line begins to oscillate on a growth chart, this would mean?
The population is now extinct
The organisms have reached the carrying capacity
That the population is increasing
That the population is decreasing
52
On a graph, exponential growth is represented by a line that?
Shows a sharp increase in a short amount of time
Is steady across time
Is represented by a full circle
Shows a slow increase over long periods of time
53
Which is true about this graph?
The blue and purple populations show type II survivorship
There is competition between the green and red species
All four populations have reached the carrying capacity
The purple population is experiencing exponential growth
54
Which is true about this graph?
Predators will always outnumber prey
Predators drive prey populations to increase
Predator-prey relationships are stable
Eventually prey will be able to reach a stable population by hiding
55
Which of the following is a heterotroph?
Whale
Oak Tree
Grass
Sunflower
56
A diagram representing the relationships of the number of organisms, energy levels, and biomass of an ecosystem.
Ecological Pyramid
Diorama
Pyramid percentage
Food web
57
Which of the following is an example of COMMENSALISM?
A vulture eats the remains of food after a lion
A hawk eats a fish
A tick drinks blood from a dog
A bee drinks nectar and brings pollen to another plant
58
Some people clear land by burning. How is this bad for the environment and ecosystems?
Kills many organisms during the process
Adds carbon dioxide to the environment
Displaces organisms from their homes
All of the Answers
59
What would increase the size of a population?
Sterility
Immigration
Deaths
Emigration
60
What is a decomposer?
Organisms that "eat" by chemically breaking down dead things
Organisms that eat living plants
Organisms that eat living animals
Organisms that use their teeth to eat meat off dead animals
