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AP Biology-Ecology
AP Biology-Ecology
42 terms
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Students are trying to build the basic vocabulary needed to understand difficult concepts in ecology
Flashcards
42 cards
F
Practice quiz
P
Host live
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Questions
42
Answers
1
The image below is a food web. Food webs help ecologists to identify...
The amount of biomass in each trophic level
How energy flows from the sun and through ecosystems
How nutrients cycle through an ecoystem
How populations increase in size
2
The items labeled in the image below illustrate which factors of an ecosystem?
biotic
abiotic
energy
nutrients
3
The study of how organisms interact with each other and their environment is known as
ecosystem
biology
ecology
population
4
What is the role of the snow leopard in this food web?
parasite
decomposer
producer
consumer
5
What does K represent in the logistic growth equation?
Natality
Population Size
Growth Rate
Carrying Capacity
6
Humans demonstrate which survivorship curve?
Type I
Type II
Type III
7
Which of these organisms do not demonstrate semelparity?
Squid
Grasshopper
Agave
Elephant
8
Spotted knapweed is from Europe/Asia. It can choke out other plant species. Spotted knapweed is
prey
predator
invasive species
native species
9
Which curve below would represent population growth without any limits?
Exponential Growth
Logistic Growth
10
Reintroduction of this extirpated species in MO will have what affect on native herbivores?
Intraspecific competition
Immigration
Interspecific competition
Emmigration
11
This image is showing an example of what environmental characteristic?
Invasive species
Climate change
Dispersal
Abiotic factor
12
The
specific location
where the deer live within an ecosystem is known as a/an___
niche
identity
habitat
biome
13
Which source of nitrogen in the ecosystem can be reduced by changing human behavior?
all of the above
burning less fossil fuels
using less fertilizer
eating less meat
14
Birds demonstrate which survivorship curve?
Type I
Type II
Type III
15
The interactions of living things witheach other and the abiotic factors in an environment_
ecosystem
biome
habitat
climate
16
The image below is an energy pyramid. Which statement is true?
the amount of energy increases between trophic levels
more energy is available at higher trophic levels
the amount of energy decreases at each higher trophic level
the amount of energy is consistent between trophic levels
17
Which factor does not influence K?
Drought
Food
Habitat
Reproduction
18
Acacia trees provide a home for ants, ants protect the acacia tree. What relationship is this?
parasitism
competition
commensalism
mutualism
19
Bacteria that are decomposers are essential to an ecosystem because they:
perform photosynthesis
absorb solar energy
recycle organic matter
slow the spread of disease
20
Which organism demonstrates K-selection (density-dependent)?
Salmon
Wheat
Bacteria
Bear
21
Fish demonstrate which survivorship curve?
Type I
Type II
Type III
22
Tapeworms steal nutrients from the intestines of their host. This relationship is_.
mutualisms
commensalims
parasitism
competition
23
This population is an example of what type of dispersion?
Random
Clumped
Artificial
Uniform
24
Use the diagram below. What would happen in the food web if the grass died of disease?
# snakes stay the same
# snakes would decrease
# mice stay the same
# mice would increase
25
48 animals were marked and released. In the following week, 71 were captured, 31 were marked.
46
110
21
174
26
Density-dependent limiting factors do NOT include:
disease
food scarcity
natural disaster
predation
27
In the image provide, which organisms would be in charge of breaking down organic material?
decomposers
gorilla
grasshopper
red panda
28
Density-independent factors would NOT include
forest fire
hurricane
drought
predation
29
The items labeled in the image below illustrate which factors of an ecosystem?
nutrients
abiotic
biotic
energy
30
Predation will actually
ALL OF THE ABOVE
will help control prey populations
will help to maintain prey populations in an ecosystem
prevent prey populations from reaching carrying capacity
31
Which curve below would represent population growth with limits?
Logistic Growth
Exponential Growth
32
Which organism demonstrates r-selection (density-independent)?
Ducks
Primates
Prairie Grass
Eagles
33
How is population growth rate calculated?
b-d/K
B-D/P
K-r/P
P-K/B-D
34
Which of the following does NOT add carbon to the atmosphere?
plant respiration
animal respiration
photosynthesis
factory emissions
35
Which group can BEST be described as a population?
the life in Earth's atmosphere
all the organisms in a forest
all the honeybees of one species in an orchard
the living and nonliving factors in a lake
36
Plants absorb energy from the sun and make it available to other organisms. Plants are ___
parasites
producers
decomposers
consumers
37
Which curve below shows a popluation's growth in an ecosystem with limited food and water?
Exponential Growth
Logistic Growth
38
This women is credited with the environmental movement.
Barbara McClintock
Rachel Carson
Marie Curie
Dorothy Hodgkin
39
This population is an example of what type of dispersion?
Random
Uniform
Clumped
Natural
40
Which of these species do not demonstrate iteroparity?
Pigs
Salmon
Humans
Oak Trees
41
All of the populations of organisms living in the same area would be___
habitat
population
community
species
42
This population is an example of what type of dispersion?
Uniform
Random
Artificial
Clumped
