A relationship where one organism benefits and the other is harmed

A relationship where both organisms benefit

A relationship where neither organism benefits

A relationship where both organisms are harmed

What is a host in ecological terms?

An organism within or upon which another organism resides

An organism that captures another for food

An organism that is consumed by another

A non-living component of the environment

What is an ecosystem?

A system of interactions between abiotic and biotic factors

An organism that captures and consumes another for nourishment

An organism that is consumed by another

A non-living component of the environment

An organism that provides shelter

An organism that is captured and consumed by another

An organism that captures another for food

A non-living component of the environment

An organism that provides shelter

The specific part of the environment that provides all the things an organism needs

A place where organisms compete for resources

A non-living component of the environment

A system of interactions between organisms

When does competition occur in ecology?

When ecological niches overlap and multiple organisms seek the same resources

When organisms do not need the same resources

When there is an abundance of resources

When organisms live in different habitats

What happens when resources are abundant for organisms?

Organisms can obtain resources without competing.

Organisms must compete with each other.

What is a competitive advantage in the context of organisms?

A genetic advantage that increases the likelihood of winning in competition.

A disadvantage in obtaining resources.

A physical trait that makes organisms slower.

A behavioral trait that decreases reproduction.

How does competition affect communities and ecosystems?

It allows populations with competitive advantages to increase in size.

It decreases the size of all populations.

It has no effect on population sizes.

It only affects plant populations.

What is the role of a parasite in parasitism?

It benefits directly from the interaction.

It provides resources to the host.

It competes with the host for resources.

Which of the following statements is true about parasitism?

The number of parasites per host is generally larger than the number of predators per prey.

Parasites always kill their hosts.

Parasites generally inhabit their prey.

Parasitism does not drive adaptation.

A relationship where both organisms benefit.

A relationship where one organism benefits and the other is harmed.

A relationship where one organism benefits and the other is unaffected.

A relationship where neither organism benefits.

In commensalism, what happens to the organisms involved?

One organism benefits and the other is unaffected.

One organism benefits and the other is harmed.

What is the difference between obligate and facultative symbiosis?

Obligate symbiosis means organisms cannot live without each other, facultative means they can.

Obligate symbiosis means organisms can live without each other, facultative means they cannot.

Both obligate and facultative symbiosis mean organisms cannot live without each other.

Both obligate and facultative symbiosis mean organisms can live without each other.

A long-lasting, close interaction between different species

A short-term interaction between species

A competitive relationship between species

A harmful interaction between species

In obligate symbiosis, what is true about the organisms involved?

At least one cannot live without the symbiotic interaction

They can survive without the symbiotic interaction

They are always harmful to each other

What is endosymbiosis?

A symbiotic interaction where one organism lives inside the cells of another

A type of symbiosis where organisms compete

A temporary interaction between species

A harmful relationship between species

Which of the following is a characteristic of mutualism?

Both organisms benefit from the interaction.

One organism benefits while the other is unaffected.

One organism benefits at the expense of the other.

In commensalism, what happens to the organisms involved?

One organism benefits, and the other is unaffected.

One organism benefits, and the other is harmed.

What is the main characteristic of parasitism?

One organism benefits at the expense of the other.

One organism benefits, and the other is unaffected.

What is an example of mutualism?

Rhizobia bacteria providing nitrogen to plants

Barnacles hitching a ride on whales

Bacteria in human intestines aiding digestion

Which relationship is described as commensalism?

Barnacles on the backs of grey whales

Ecology Learning Guide Part II Review

Authored by Taylor Goines

Science

7th Grade

NGSS covered

Used 4+ times

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32 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the term for the maximum number of individuals that an environment can support?

Ecological Succession

Carrying Capacity

Limiting Factor

Niche

Which type of succession occurs in a brand new area that is lifeless?

Secondary Succession

Primary Succession

Mutualism

Commensalism

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is a long-lasting interaction between different species called?

Competition

Niche

Symbiosis

Limiting Factor

What is the ecological role played by an organism known as?

Carrying Capacity

Limiting Factor

Niche

Competition

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the interaction called where one organism benefits and the other is neither harmed nor helped?

Mutualism

Commensalism

Competition

Symbiosis

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does the term "biotic" refer to?

Non-living

Living

Harmed

Consumed

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which term describes a non-living component of an ecosystem?

Biotic

Host

Abiotic

Predator

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Ecology Learning Guide Part II Review

What is the term for the maximum number of individuals that an environment can support?

Which type of succession occurs in a brand new area that is lifeless?

What is a long-lasting interaction between different species called?

What is the ecological role played by an organism known as?

What is the interaction called where one organism benefits and the other is neither harmed nor helped?

What does the term "biotic" refer to?

Which term describes a non-living component of an ecosystem?

What is parasitism?

What is a host in ecological terms?

What is an ecosystem?

Access all questions and much more by creating a free account

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