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WorksheetsEcological Relationships
Total questions: 66
Worksheet time: 53mins
Name
Class
Date
1.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
2.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
3.
Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
4.
Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
5.
A relationship between two organisms in which one organism benefits and the other is harmed.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
6.
A relationship between two organisms in which one organism benefits and the other is unharmed.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
7.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
8.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.
a)
Mutualsim
b)
Parasitism
c)
Commensalism
9.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).
a)
Mutualsim
b)
Parasitism
c)
Commensalism
10.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit.
a)
Mutualism
b)
Parasitism
c)
Commensalism
11.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit.
a)
Mutualism
b)
Parasitism
c)
Commensalism
12.
Silverfish live and hunt with army ants. They share the prey. They neither help nor harm the ants.
a)
Mutualism
b)
Parasitism
c)
Commensalism
13.
In a parasitic relationship, one organism is ___________ and one organism is benefiting.
a)
helped
b)
harmed
c)
not effected
d)
happy
14.
In a mutual relationship, both organisms are ________________.
a)
hurt
b)
not effected
c)
harmed
d)
benefiting
15.
Commensalism is where one organism is benefiting and the other organism is _____________________.
a)
not effected
b)
helped
c)
harmed
d)
hurt
16.
1. A bee and a flower work together to benefit each other. This is an example of _________________. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar.
a)
commensal relationship
b)
parasitic relationship
c)
mutual relationship
17.
A dog is harmed by a tick when it sucks the dog’s blood. The tick is benefiting because it is getting nutrients from the dog. This is an example of a ________________.
a)
parasitic relationship
b)
mutual relationship
c)
commensal relationship
18.
When a dog and a tick are in a relationship. The dog is being harmed and the tick is benefiting. The tick is using the dog as it's ____________.
a)
harmer
b)
host
c)
parasite
19.
Mrs. Bush’s cat has fleas. A flea is a parasite that gets its energy from Dante’s blood. How are the flea and the cat affected in this relationship?
a)
Both organisms are helped.
b)
Both organisms are not affected.
c)
One organism is helped and one organism is not effected.
d)
One organism is helped and another organism is harmed.
20.
Which is an example of commensalism?
a)
Two different kinds of organisms harming each other.
b)
Two different kinds of organisms are neither helping nor harming each other.
c)
One kind of organism is being helped, but the other one is not harmed or helped.
d)
One kind of organism is being helped, but the other is harmed.
21.
Mrs. Bush was driving and accidentally hit a squirrel. A vulture noticed this and swooped down to eat the dead squirrel. The vulture is an example of a _______.
a)
producer
b)
scavenger
c)
parasite
d)
decomposer
22.
Which interaction benefits both organisms?
a)
A flea living on a dog
b)
A bee pollinating a flower
c)
A tapeworm living inside an animal
d)
A mosquito biting a person
23.
Tapeworms live in the intestines of dogs and absorb nutrients from food the dog eats. Which best describes the outcome of this relationship?
a)
The dog and tapeworm both become ill.
b)
The dog becomes ill, and the tapeworm benefits.
c)
The tapeworm and dog helpe ach other survive.
d)
The tapeworm helps the dog survive.
24.
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
25.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
26.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
27.
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
28.
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
29.
A relationship between two organisms in which both organisms benefit.
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
30.
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
31.
A relationship between two species where one benefits while the other is harmed.
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Naturalism
32.
All energy transformations in an ecosystem begin with
a)
a scavenger
b)
the sun
c)
a decomposer
d)
a herbivore
33.
Which event is the best example of competition between species in a pond?
a)
dragonflies landing on lily pads
b)
lizards and snakes lying in the sun
c)
hawks eating mice
d)
frogs and toads eating flies
34.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
35.
A diagram that shows the amount of energy that moves from one feeding level to another is termed..
a)
energy pyramid
b)
adaptation
c)
autotroph
d)
food web
36.
a system of food chains that shows the transfer of energy is termed
a)
food web
b)
food chain
c)
prey
d)
predator
37.
an organism that can produce its own food through photosynthesis
a)
consumer
b)
heterotroph
c)
autotroph
d)
herbivore
38.
Which of these is an example of an autotroph?
a)
Sunflower
b)
Krill
c)
Leopard
d)
Hummingbird
39.
What does every food chain start with?
a)
producers
b)
sun
c)
consumer
d)
decomposers
40.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
41.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True
b)
False
42.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
43.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
44.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
45.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
46.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use.
b)
How much energy a particular organism needs.
c)
How much energy is needed to build a pyramid.
d)
The amount of energy available to the next 'feeder' in a food web.
47.
Why is there a limited amount of energy that can be passed on to the next feeding level?
a)
There is never enough sunlight available.
b)
Some ecosystems have limited resources.
c)
Organisms use some of the energy they get from eating.
d)
All the energy is available to be passed on.
48.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them.
b)
They may eat more than one other organism.
c)
This organism gets its energy from multiple sources.
d)
They have no resources available to them.
49.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
50.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
51.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
52.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
53.
The image provided is an example of a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
54.
The image provided is an example of a(n):
a)
Autotroph
b)
Carnivore
c)
Herbivore
d)
Decomposer
55.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
56.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
57.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
58.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
59.
One organism hunts and eats another organism.
a)
predation
b)
mutualism
c)
carnivore
d)
parasitism
60.
When different species live together.
a)
symbiosis
b)
habitat
c)
competiton
d)
predation
61.
This occurs when niches overlap between species and they have to compete for resources.
a)
competition
b)
interspecific
c)
parasite
d)
intraspecies
62.
Limiting factors are sometimes helpful because they can keep the population from getting too large.
a)
True
b)
False
63.
When there is a lack of resources such as food, water, sunlight, shelter, and space this is often called __________.
a)
limiting factors
b)
wet
c)
messy
d)
found in rocks
64.
If the population of a certain predator increases, there is often _______ its prey
a)
a decrease the population of
b)
an increase of the population of
c)
great news for its prey of
d)
no impact found on
65.
If there is more food than usual in an ecosystem, then...
a)
Populations will stay the same
b)
Populations will decrease
c)
Populations will increase
66.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
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