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Duplicate of Ecology Unit Review Flashcards | StudBud
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Duplicate of Ecology Unit Review
Duplicate of Ecology Unit Review
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1
Which of the following will increase the size of a population?
emigration and deaths
immigration and deaths
emigration and births
immigration and births
2
What do all the biotic and abiotic factors in a given area make up?
a community
an ecosystem
a population
a habitat
3
Herbivores are which of the following?
primary consumers
producers
secondary consumers
decomposers
4
Which organism is receiving the least amount of energy?
hawk
mouse
rabbit
grass
5
Which of the following provide the most energy in ecosystems?
carnivores
generalists
keystone species
producers
6
What is being displayed in the picture above?
pyramid of numbers
food web
food chain
energy pyramid
7
Which of the following is a density-dependent limiting factor?
unusual weather
human activities
natural disaster
competition
8
The carbon cycle includes photosynthesis, combustion, decomposition, and
condensation
transpiration
respiration
9
Which level of the food chain is most affected by biomagnification?
tertiary consumers
secondary consumers
producers
primary consumers
10
Which level in the energy pyramid has the least amount of energy?
producers
tertiary consumers
herbivores
primary consumers
11
What type of population growth reaches a carrying capacity?
logistic growth
exponential growth
primary growth
density-dependent growth
12
This population is experiencing
unlimited resources
a higher death rate than birth rate
limited resources
carrying capacity
13
Which of the following is an abiotic factor?
dead leaves
earthworm
soil
pine tree
14
The reestablishment of a damaged ecosystem in an area where the soil is intact is called
primary succession
pioneer succession
secondary succession
symbiotic succession
15
Organisms that feed on dead or decaying matter are called
omnivores
herbivores
detritivores
carnivores
16
Which of these organisms is a heterotroph?
sunflower
cyanobacteria
grasshopper
pine tree
17
This population is experiencing _______ .
succession
logistic growth
primary growth
exponential growth
18
Burmese pythons introduced into the Everglades are not native to Fl and are considered to be
invasive species
have no impact on the ecosystem
endangered
beneficial to the ecosystem
19
Trees that drop their leaves during the cold season are known as
palms
coniferous
deciduous
evergreen
20
What would Earth be like without the greenhouse effect?
a little cooler than it is now
the same temperature it is now
too cold to be habitable
a little warmer than it is now
21
Biodiveristy in the Gulf of Mexico depends on each of the following except
salinity
temperature
sand
light
22
Estuary ecosystems are unique aquatic systems because
there are non present in Florida
they contain saltwater and freshwater
there are no photosynthetic organisms present
it is home to a small population of aquatic organisms
23
Which of the following is a characteristic of tropical rain forests?
few organisms living in trees
thin soil that is low in nutrients
extreme heat fluctuations
a distinct rainy season
24
Pioneer species are the first
trees to grow in an area that has been disturbed
organisms to live in a forest canopy
trees that replace the original trees after a fire
organisms to live in previously uninhabited areas
25
Which of the following is a biotic factor?
sunlight
rocks
pine tree
soil
26
Regulations that aim to restore a dwindling fish population may stop anglers from keeping
reproducing fish
old fish
all fish
27
Photosynthesis is part of which cycle of matter?
the nitrogen cycle
the water cycle
the carbon cycle
the oxygen cycle
28
Which phrase best describes biodiversity?
The number of individuals in an ecosystem
the amount of biomass in an ecosystem
the number of species in an ecosystem
the amount of available energy in an ecosystem
29
In an energy pyramid, which trophic level has the highest amount of energy present?
producers
primary consumers
tertiary consumers
secondary consumers
30
What type of organism would exhibit exponential growth?
threatened species
endangered species
introduced species
invasive species
31
Hawaii's lush tropical forests arose from a process of
destruction
regeneration
succession
predation
32
A group of the same species that live in the same area are called
biome
population
ecosystem
community
33
In what biome is biodiversity the highest?
deserts
temperate forests
grasslands
tropical rain forests
34
Almost all autotrophs get their energy from
hydrothermal pools
producers
decaying matter
sunlight
35
Which of these is a density-independent limiting factor?
predation
disease
competition
tsunami
36
Cutting down an entire forest ecosystem is known as
sustainable development
harvest reduction
selective cutting
clear cutting
37
Plants and animals that live in savannas are well adapted to
large changes in moisture
extremely low temperatures
very high temperatures
lots of snow
38
What are renewable resources?
resources that formed millions of years ago
resources that are used up faster than they form
resources that exist only in rural areas
resources that can replenish themselves over time
