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Organism Relationships

Total questions: 71

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

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 the egrets are there or not.

a)

mutualism

b)

commensalism

c)

competition

d)

parasitism

2.

A tapeworm and a cat have this type of relationship.

a)

mutualism

b)

parasitism

c)

commensalism

d)

predation

3.

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

4.

Skunks often live in burrows that have been dug and abandoned by woodchucks.

a)

commensalism

b)

mutualism

c)

parasitism

d)

predation

5.

Red-billed oxpeckers are birds that often feed on parasites that infest impala. This is an example of ....

a)

commensalism

b)

mutualism

c)

paratisism

d)

predation

6.

Which best describe parasitism?

a)

Both organisms benefit positively from the relationship

b)

One organism benefits from the relationship the other is harmed

c)

One organism benefits from the relationship the other is not affected

d)

Both organisms benefit negatively from the relationship

7.

When a mosquito bites you, you are the __________ and the mosquito is the ____________.

a)

host, hostess

b)

parasite, host

c)

host, parasite

d)

prey, predator

8.

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

9.

Clown fish live among the deadly tentacles of the sea anemone and are protected by it. The clown fish eats food left over by the anemone keeping the area clean and also acts as “bait”.

a)

mutualism

b)

commensalism

c)

parasitism

d)

predation

10.

Remoras eat food left over by the shark it swims along with. The shark makes no attempt to prey upon the remora and there is no benefit to the shark having the left over food removed.

a)

mutualism

b)

commensalism

c)

parasitism

d)

predation

11.

This is an example of....

a)

commensalism

b)

predation

c)

parasitism

d)

mutualism

12.

A spider spins it's web between this animals antlers. This is an example of ......

a)

predation

b)

commensalism

c)

parasitism

d)

mutualism

13.

What is an ecological niche?

a)

The role an organism plays in its environment

b)

A predator that has gone extinct

c)

A wetland that borders a swamp and a marsh

d)

A type of natural disaster

14.

Two bald eagles fighting over a dead salmon is an example of:

a)

Interspecific competition

b)

Competitive exclusion

c)

Intraspecific competition

d)

Niche partitioning

15.

The long tail feathers of a peacock are considered to be an adaptation because:

a)

They get longer each year

b)

They help the peacock reproduce

c)

They make it easier for predators to catch the peacock

d)

They are the result of a mutation on a recessive gene

16.

In a parasitic relationship, one organism is being helped and the other one is being _____.

En una relación parasitaria, un organismo se beneficia y el otro se esta ______.

a)

helped

ayudado

b)

harmed

dañado

c)

not effected

no afectado

17.

In a mutualistic relationship, both organisms are ________________.

En una relación mutualista, ambos organismos son ________________.

a)

harmed

dañado

b)

not effected

no afectado

c)

helped or benefit

ayudado o beneficio

18.

Commensalism is where one organism is benefiting and the other organism is _____________________.

El comensalismo es donde un organismo se beneficia y el otro es _____________________.

a)

not effected

no afectado

b)

helped

ayudado

c)

harmed

dañado

19.

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 _______.

Los oxpeckers de pico rojo son aves que se alimentan de parásitos que se encuentran en un impala. El impala se deshace de los parásitos y los oxpeckers de pico rojo obtienen una deliciosa cena. Esto es un ejemplo de _______.

a)

commensalism

b)

mutualism

c)

parasitism

d)

competition

e)

predator- prey

20.

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. This is an example of _

Las flores de yuca son polinizadas por las polillas de yuca. Las polillas ponen sus huevos en las flores donde las larvas eclosionan y comen algunas de las semillas en desarrollo. Este es un ejemplo de

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

predator - prey

e)

competition

21.

A male peacock displays his brilliant tail feathers to attract a mate.

Un pavo real macho muestra sus brillantes plumas de la cola para atraer a un compañero.

a)

mutualism

b)

parasitism

c)

commensalism

d)

predator-prey

e)

competition

22.

Identify the Relationship: The red hawk pursues, captures, and kills its prey.

Identificar la relación: el halcón rojo persigue, captura y mata a su presa.

a)

mutualism

b)

commensalism

c)

parasitism

d)

predator-prey

e)

competition

23.

Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm). This is an example of

El muérdago extrae el agua y los nutrientes del árbol de abeto en detrimento (daño) del árbol. Este es un ejemplo de

a)

Mutualsim

b)

Parasitism

c)

Commensalism

d)

predator-prey

e)

competition

24.

A feeder fish usually follows behind sharks to pick up food scraps that they leave behind. The fish gets food and the shark is unaffected. This is an example of:

(Un pez alimentador usualmente sigue a los tiburones para recoger los restos de comida que dejan atrás. El pez se alimenta y el tiburón no se ve afectado. Esto es un ejemplo de)

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

competition

e)

predator-prey

25.

Two populations struggle for the same resources

Dos poblaciones luchan por los mismos recursos.

a)

mutualism

b)

parasitism

c)

commensalism

d)

predator-prey

e)

competition

26.

Which of the following represents the order for the levels of organization in the environment?

(¿Cuál de los siguientes representa el orden de los niveles de organización en el entorno?)

a)

organism-community-biome-ecosystem-population

(organismo-comunidad-bioma-ecosistema-población)

b)

population-community-biome-ecosystem-organism

(poblacion-comunidad-bioma-ecosistema-organismo)

c)

population-organism-community-biome-ecosystem

(poblacion-organismo-comunidad-bioma-ecosistema)

d)

organism-population-community-ecosystem-biome

(organismo-población-comunidad-ecosistema-bioma)

27.

Leaf-cutter ants harvest leaves and carry them to fungi that convert plant material into a usable form for the ants to digest. The fungi depend on the leaves for nutrients. The ants also produce an antibiotic on their bodies that helps protect the fungi from harmful bacteria. Which of these explains the relationship between the leaf-cutter ants and the fungi?

(Las hormigas cortadoras de hojas cosechan hojas y las llevan a los hongos que convierten el material vegetal en una forma utilizable para que las hormigas lo digieran. Los hongos dependen de las hojas para obtener nutrientes. Las hormigas también producen un antibiótico en sus cuerpos que ayuda a proteger a los hongos de las bacterias dañinas. ¿Cuál de estos explica la relación entre las hormigas cortadoras de hojas y los hongos?)

a)

Commensalism, because the ants receive energy from the fungi and the fungi are unaffected

(Comensalismo, porque las hormigas reciben energía de los hongos y los hongos no se ven afectados.)

b)

Competition, because both organisms consume the same resource for energy

(Competencia, porque ambos organismos consumen el mismo recurso de energía)

c)

Mutualism, because both the ants and the fungi benefit from each othe

(Mutualismo, porque tanto las hormigas como los hongos se benefician mutuamente)

d)

Predation, because the ants feed on the fungi

(Depredación, porque las hormigas se alimentan de los hongos.)

28.

A tapeworm lives in the intestines of a dog absorbing nutrients, causing illness and weight loss is an example of

(Una tenia vive en los intestinos de un perro absorbiendo nutrientes, causando enfermedades y la pérdida de peso es un ejemplo de)

a)

parasitism (parasitismo)

b)

commensalism (comensalismo)

c)

mutualism (mutualismo)

d)

predation (depredación)

e)

competition (competencia)

29.

Match the following

a)

Both organisms benefit

(Ambos organismos se benefician)

1.

Mutualism

b)

One organism is helped the other is hurt

(Un organismo es ayudado el otro es lastimado)

2.

Parasitism

c)

Two organisms compete for the same resources

(Dos organismos compiten por los mismos recursos.)

3.

Competition

d)

One organism is helped and nothing happens to the other

(Se ayuda a un organismo y al otro no le pasa nada.)

4.

Commensalism

e)

One organism kills and eats the other organism

(Un organismo mata y se come al otro organismo.)

5.

Predation

30.

A certain species of bird eats insects off the backs of cattle. If the relationship between the birds and the cattle is mutualistic, then the individuals benefiting from the relationship are -

(Cierta especie de ave se alimenta de insectos de la espalda del ganado. Si la relación entre las aves y el ganado es mutualista, entonces los individuos que se benefician de la relación son -)

a)

only the birds (solo los pájaros)

b)

only the cattle (solo el ganado)

c)

neither the birds nor the cattle (ni los pájaros ni el ganado)

d)

both the birds and the cattle (ambos los pájaros y el ganado)

31.

In some coral reefs, a symbiotic relationship exists between pygmy seahorses and sea fans. The pygmy seahorse can wrap its tail around the branches of the sea fan. This allows the pygmy seahorse to be camouflaged within the sea fan, protecting it from predators. The pygmy seahorse does not harm or benefit the sea fan while it grasps the branches with its tail. This is an example of

(En algunos arrecifes de coral existe una relación simbiótica entre pigmeos caballitos de mar y abanicos de mar. El caballito de mar pigmeo puede enrollar su cola las ramas de la gorgonia. Esto permite que el caballito de mar pigmeo sea camuflado dentro de la gorgonia, protegiéndola de los depredadores. El caballito de mar pigmeo no daña ni beneficia a la gorgonia mientras se agarra

las ramas con su cola. Este es un ejemplo de)

a)

Predator/prey

b)

Mutualism

c)

Commensalism

d)

Parasite/host

32.
In a parasitic relationship, one organism is ___________ and one organism is benefiting. 
a)
helped
b)
harmed
c)
not effected
d)
happy
33.
In a mutual relationship, both organisms are ________________. 
a)
hurt
b)
not effected
c)
harmed
d)
benefiting 
34.
Commensalism is where one organism is benefiting and the other organism is _____________________. 
a)
not effected
b)
helped
c)
harmed
d)
hurt
35.
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 
36.
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 
37.
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
38.
A clown fish and a sea anemone are in a close relationship. The sea anemone provides shelter and protection for the clown fish. However, the sea anemone is not harmed. This is an example of  ______________________. 
a)
commensalism
b)
parasitic relationship
c)
mutualism 
39.
 A tapir and a song bird work together to help each other find food. The tapir follows the sound of the song bird to the tree filled with sap. The tapir has sharp claws and is able to rip open the section of the tree that contains the sap. Without the tapir, the bird would not be able to access the sap for food. This is an example of a _________________ relationship. 
a)
mutual 
b)
commensal
c)
parasitic
40.
A tick is a parasite to a horse. Which statement best describes the relationship between the tick and the horse? 
a)
a.  The tick helps the horse get food. 
b)
a.  The tick harms the horse by feeding on its blood. 
c)
a.  The horse harms the tick by feeding on its blood. 
d)
The tick does not affect the horse. 
41.
A shark has barnacles that attach to his skin. The barnacles get a free ride from the shark. The shark is not helped by this relationship. This is an example of _________. 
a)
commensalism
b)
parasitism
c)
mutualism 
d)
competition 
42.
 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. 
43.
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. 
44.
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
45.
Lichens are made of fungi and algae that benefit from growing together. Which of these best describes this relationship?
a)
parasitic 
b)
commensal 
c)
competetive
d)
mutual 
46.
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
47.
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. 
48.
An animal that feeds on what another animal has killed is known as a:
a)
Scavenger
b)
Mutualist
c)
Decomposer
d)
Parasite
49.
A feeding relationship where one organism hunts and one is hunted.
a)
Commensalism
b)
Decomposistion
c)
Mutualism
d)
Predator-Prey
50.
An animal that hunts and consumes other organisms is known as a:
a)
Prey
b)
Decomposer
c)
Predator
d)
Commensalist
51.
An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:
a)
Predator
b)
Autotroph
c)
Producer
d)
Decomposer
52.
This term describes a living part of an environment.
a)
Biotic factor
b)
Sunlight
c)
Abiotic Factor
d)
Niche
53.
An organism that eats other organisms to obtain energy is known as a:
a)
Mutualist
b)
Autotroph
c)
Producer
d)
Heterotroph
54.
Non-living components of an environment are considered to be:
a)
Biotic Factors
b)
Heterotrophs
c)
Abiotic factors
d)
Decomposers
55.
A group of particular organisms that belong to the same species that live in the same habitat is known as a:
a)
Population
b)
Ecosystem
c)
Community
d)
Biome
56.
A large part of the Earth that is defined by its own unique type of environment is known as a:
a)
Community
b)
Species
c)
Niche
d)
Biome
57.

In this type of symbiotic relationship, one species benefits while the other is harmed (the host).

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

58.

In this type of symbiotic relationship, one species benefits while the other is unaffected

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

59.

In this type of symbiotic relationship, two different species of organisms both benefit from interacting with each other

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

60.

This relationship occurs between organisms that need the same type of limited resource (food/territory/space).

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

61.

This relationship occurs when one organism kills and consumes another type of organism (prey).

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

62.

Male whitetail deer sometimes lock antlers as they fight over females during the breeding season.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

63.

Mosquitos bit humans and other mammals for their blood, getting a free meal while the mammal gets an itchy or painful welt where they are bitten.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

64.

Flowering plants attract bees and other pollinators. Bees collect the nectar for food, spreading pollen and helping the plant reproduce.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

65.

Certain birds are often seen sitting on large mammals such as the water buffalo. The bird gets a meal eating ticks and bugs while removing the harmful parasites.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

66.

Spiders build sticky webs to catch and eat small insects.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

67.

Lizards can benefit from using plans as a shelter or hiding place. The plants aren't harmed, but they don't directly benefit either.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

68.

Coyotes and foxes naturally clash during encounters in the wild because they both eat similar prey animals.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

69.

Cats have excellent vision and hearing to be able to successfully hunt mice and other small rodents to eat.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

70.

Owls sometimes make their homes in the hollows of trees. The owl is protected by the tree, but the tree is neither harmed nor helped.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation

71.

Mistletoe is a plant that lives on trees and used root-like structures to steal their water and nutrients.

a)

Competition

b)

Mutualism

c)

Parasitism

d)

Commensalism

e)

Predation