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Ecology
Ecology
25 terms
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StudBud Administration
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Students are trying to build the basic vocabulary needed to understand difficult concepts in ecology
Flashcards
25 cards
F
Practice quiz
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Host live
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Questions
25
Answers
1
Bacteria that are decomposers are essential to an ecosystem because they:
slow the spread of disease
perform photosynthesis
recycle organic matter
absorb solar energy
2
All of the populations of organisms living in the same area would be___
community
species
habitat
population
3
In the image provide, which organisms would be in charge of breaking down organic material?
gorilla
red panda
decomposers
grasshopper
4
The image below is a food web. Food webs help ecologists to identify...
How energy flows from the sun and through ecosystems
How nutrients cycle through an ecoystem
How populations increase in size
The amount of biomass in each trophic level
5
Density-independent factors would NOT include
drought
forest fire
hurricane
predation
6
Spotted knapweed is from Europe/Asia. It can choke out other plant species. Spotted knapweed is
prey
predator
nonnative species
native species
7
Which source of nitrogen in the ecosystem can be reduced by changing human behavior?
all of the above
eating less meat
using less fertilizer
burning less fossil fuels
8
The items labeled in the image below illustrate which factors of an ecosystem?
biotic
energy
abiotic
nutrients
9
The study of how organisms interact with each other and their environment is known as
population
biology
ecology
ecosystem
10
Which of the following does NOT add carbon to the atmosphere?
plant respiration
photosynthesis
factory emissions
animal respiration
11
Density-dependent limiting factors do NOT include:
food scarcity
disease
natural disaster
predation
12
Which curve below would represent population growth without any limits?
Logistic Growth
Exponential Growth
13
Which curve below would represent population growth with limits?
Logistic Growth
Exponential Growth
14
The image below is an energy pyramid. Which statement is true?
the amount of energy increases between trophic levels
the amount of energy is consistent between trophic levels
the amount of energy decreases at each higher trophic level
more energy is available at higher trophic levels
15
Predation will actually
prevent prey populations from reaching carrying capacity
ALL OF THE ABOVE
will help to maintain prey populations in an ecosystem
will help control prey populations
16
Use the diagram below. What would happen in the food web if the grass died of disease?
# snakes stay the same
# mice stay the same
# mice would increase
# snakes would decrease
17
What is the role of the snow leopard in this food web?
decomposer
consumer
parasite
producer
18
Acacia trees provide a home for ants, ants protect the acacia tree. What relationship is this?
parasitism
mutualism
competition
commensalism
19
The
specific
location
where the deer live within an ecosystem is known as a/an___
identity
niche
biome
habitat
20
Which curve below shows a popluation's growth in an ecosystem with limited food and water?
Logistic Growth
Exponential Growth
21
The items labeled in the image below illustrate which factors of an ecosystem?
nutrients
biotic
abiotic
energy
22
The interactions of living things witheach other and the abiotic factors in an environment_
habitat
biome
climate
ecosystem
23
Plants absorb energy from the sun and make it available to other organisms. Plants are ___
parasites
producers
decomposers
consumers
24
Tapeworms steal nutrients from the intestines of their host. This relationship is_.
competition
mutualisms
commensalims
parasitism
25
Which group can BEST bedescribed as a population?
all the honeybees of one species in an orchard
all the organisms in a forest
the living and nonliving factors in a lake
the life in Earth's atmosphere
