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WorksheetsEcology
Total questions: 80
Worksheet time: 59mins
Name
Class
Date
1.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
2.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
3.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
4.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
5.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
6.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
7.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
8.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
9.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
10.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Farm
d)
Ecosystem
11.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
12.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
13.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
14.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
15.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
16.
What does fungi do to dead plants and animals?
a)
Leave them there
b)
Decompose them
c)
Wait for other animals to eat them
d)
Move away
17.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source.
18.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
19.
Which of the following leads to a decrease in biodiversity?
a)
protection of ecosystems
b)
pollution control
c)
selective cutting
d)
introduction of exotic or invasive species
20.
A carbon "sink" is best described as:
a)
a reservoir that readily releases carbon to another reservoir
b)
a carbon reservoir that stores more carbon that it is releasing
c)
something that causes carbon to leak out to the atmosphere
d)
a carbon reservoir that is releasing more carbon than it is taking in
21.
Nitrogen fixation processes nitrogen from which of the following sources?
a)
lightning
b)
fertilizers
c)
dead plants
d)
atmosphere
22.
What is it called when water is changed from a liquid to a gas?
a)
EVAPORATION
b)
PRECIPITATION
c)
TRANSPIRATION
23.
Nitrogen makes up _____ percent of the atmosphere.
a)
66%
b)
78%
c)
90%
24.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
25.
Which biome, because of its climate and amount of rainfall, has the largest number of species of plants and animals?
a)
Tundra
b)
Rainforest
c)
Desert
d)
Pineforest
26.
The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Inorganic nutrients
27.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
28.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
29.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
30.
What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?
a)
food web
b)
an ecosystem
c)
food chain
d)
a population
31.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
32.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
33.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
34.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
35.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
36.
diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
a)
succession
b)
cellular respiration
c)
energy pyramid
d)
biochemical cycle
37.
a relationship between two in which one species, the predator, feeds on the other species, the prey
a)
chemosynthesis
b)
predation
c)
cellular respiration
d)
commensalism
38.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism
c)
nitrogen fixation
d)
commensalism
39.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
40.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
41.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
42.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
43.
Organisms that breaks down and absorbs nutrients from dead organisms
a)
consumer
b)
trophic level
c)
decomposer
d)
species
44.
A food chain is illustrated below:
The arrows represented most likely indicate
The arrows represented most likely indicate
a)
A. Energy released from metabolism into the environment as heat.
b)
B. Oxygen released from metabolism produced by cellular respiration.
c)
C. The absorption of energy from the environment that has been created.
d)
D. The transport of glucose away from the organism through photosynthesis.
45.
A pond ecosystem is shown in the diagram below. Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
a)
The frogs make energy available to this ecosystem through the process of photosynthesis.
b)
The algae directly provide food for both the rotifers and the catfish.
c)
The green-backed heron provides energy for the mosquito larvae.
d)
The catfish population helps control the populations of water boatman and waterfleas.
46.
What does every food chain start with? (Even if it's not drawn or written there!)
a)
producers
b)
sun
c)
consumer
d)
decomposers
47.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
48.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
49.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
50.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
51.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
52.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
53.
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
54.
Which one is not a consumer?
a)
anemone
b)
bear
c)
shark
d)
vulture
55.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
56.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
57.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
58.
An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
59.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
60.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
61.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
62.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
63.
As you move upward, from level to level, in an energy pyramid, energy _____.
a)
increases
b)
decreases
c)
stays the same
d)
increases exponentially
64.
plants that convert energy from the sun
a)
decomposer
b)
primary consumer
c)
secondary consumer
d)
producer
65.
What are the Abiotic factors in this image?
a)
water, sunlight, dirt, air
b)
birds and plants
c)
birds, water, dirt
d)
plants, water
66.
The spider crabs live on the shallow ocean floor. The algae lives on the crabs. The algae helps the crabs blend in and the algae gets a good place to live.
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Mitosis
67.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
68.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
69.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
70.
Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. What type of symbiosis is this?
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
71.
Skunks often live in burrows that have been dug and abandoned by woodchucks. This relationship is an example of _______.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
72.
Red-billed oxpeckers are birds that often feed on parasites that infest impala. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
73.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
74.
Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.
a)
Predation
b)
Parasitism
c)
Commensalism
d)
Mutualism
75.
A relationship between two species where one benefits while the other is harmed.
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Naturalism
76.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
77.
What type of symbiosis is this?
Snails die and leave behind their shells.Hermit crabs find shells left by snails that have died and move in.
Snails die and leave behind their shells.Hermit crabs find shells left by snails that have died and move in.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
78.
A Remora fish will eat the left over food scraps from the shark's meal. What type of relationship is happening?
a)
mutualistic
b)
commensalistic
c)
parasitic
d)
competition
79.
Lice attach to the hairs of the body or head, and then suck blood from the host. This relationship is known as ________.
a)
Commensalism
b)
Parasitism
c)
Mutualism
d)
Optimism
80.
A flea is a parasite that gets its energy from the blood of animals like dogs. How are the flea and dog affected in this relationship?
a)
Both organisms are helped
b)
Both organisms are unaffected
c)
The flea is helped, and the dog is harmed
d)
The dog is helped, and the flea is not affected
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