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Ecology 2 Flashcards | StudBud
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Ecology 2
Ecology 2
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Ecology Food Webs
Flashcards
40 cards
F
Practice quiz
P
Host live
L
Questions
40
Answers
1
Which of the organisms in the food chain below are autotrophs?
grasshopper
snake
grass
eagle
2
Beaver dams can cause floods. This statement shows how
animal behavior may affect the environment
animal growth is affected by environmental conditions
an animal’s development depends on its environment
an animal’s health depends on its environment
3
What do the arrows in the food chain diagram represent?
flow of energy
renewable resource depletion
life cycle stages
one community replacing another
4
Different species of carnivorous animals that share the same habitat in an ecosystem may
mate with each other
compete for food
produce their own food
become decomposers
5
Living things are classified as producers or consumers according to
the size of their communities
their speed of movement
how they reproduce
how they obtain food
6
According to this food web below, which organisms are herbivores?
snakes
foxes
rabbits
hawks
7
The abiotic factors in an organism's environment do NOT include
water
sunlight
shelter
mates
8
This pond community contains plants and fish. How are the fish able to survive in the pond?
The plants use chlorophyll produced by the fish.
The fish use carbon dioxide produced by the plants.
The plants use oxygen produced by the fish.
The fish use oxygen produced by the plants.
9
Populations living in one place form a
community
species
habitat
system
10
What is a habitat?
all the members of a community
the role of an organism in its environment
the place where an organism lives
many different species living in the same place
11
The typical weather pattern in an area over a long period of time is called
weather
climate
precipitation
the water cycle
12
A group of ecosystems with similar climates and organisms is called a(an)
food web
energy pyramid
biome
climate
13
Which biome has a canopy, an understory and high number of plant and animal species?
tundra
deserts
tropical rain forests
deciduous forest
14
Which biome is extremely cold ?
grassland
mountains
tundra
desert
15
Which land biome receives less than 25 centimeters of rain per year?
tropical rain forest
grassland
temperate rain forest
desert
16
An organism's environment is important because it provides it with
oxygen
all of the above
food
shelter
17
Which of the examples represents a community?
all organisms in a pond
Saguaro cacti in the desert
Golden retrievers in a kennel
shells on the beach
18
What is the name of the process represented in this diagram that produces the oxygen?
respiration
metamorphosis
fertilization
photosynthesis
19
Ponds and rivers are two types of
rain forest biomes.
marine biomes.
freshwater biomes.
esturary biomes
20
What is a biotic factor in the environment below?
water
tree
mountain
rock
21
Which of the following correctly lists the levels in an ecosystem from largest to smallest?
population, community, ecosystem
ecosystem, community, population
population, ecosystem, community
community, ecosystem, population
22
Which organisms in this food web are omnivores?
carrots
grasshoppers
rabbits
birds
23
The health and stability of an ecosystem is measured by its
populations
size
communities
biodiversity
24
A biotic factor that mixes and allows air into the soil is
burrowing animals
lightning
windstorms
running water
25
The types of plants living in an environment are usually determined by the
living factors present
nonliving factors present
types of animals present
types of plants present
26
How many organisms in this food web feed on the mice?
2
5
3
4
27
Which group of organisms is missing from this food web?
omnivores
decomposers
carnivores
herbivores
28
What is the measure of biodiversity of an ecosystem?
the number of habitats found in it
the number of different species it contains
the size of the community
the amount of organisms it contains
29
The struggle between organisms for available resources is called
cohabitation
competition
cooperation
coexisting
30
Which three organisms in the food web are competing for the same food resource?
fox, owl, and rabbit
carrot, rabbit, and fox
bird, mouse, and grasshopper
grain, bird, and owl
31
How do decomposers obtain their food?
producing food from oxygen and sunlight
hunting and killing prey for food
absorbing food from dead organisms
changing carbon dioxide and water into food
32
The main source of energy for this pond community is the
animals
plants
pond water
sun
33
Competition is most likely to occur between which two organisms?
grass and strawberry plants
owls and bacteria
deer and butterflies
goldfish and rabbits
34
The amount of energy that is transferred from one level of a food web to the next is about
100 percent
25 percent
10 percent
50 percent
35
The study of where organisms live is called
biogeography
dispersal
climatology
ecology
36
The specific environment of the ecosystem in which an organism lives is the organism's
biotic factor
species
habitat
niche
37
Which statement would be true if the owl population disappeared?
The carrot population would increase.
The rabbit population would decrease.
The mouse population would increase.
The fox population would decrease.
38
Identify the consumer in the fish tank ecosystem.
green plant
fish
water
rock
39
Vultures, which feed on the bodies of dead organisms, are
herbivores
first level consumers
producers
scavengers
40
Which of the following examples represent a predator-prey relationship?
spider eating a fly
bird eating berries
squirrel eating an acorn
fungus decomposing a rotting log
