Ecological Relationships Quizs

What is the term for any component of the ecosystem that controls the size of a population?

• Limiting factors

• Symbiosis

• Predation

• Competition

What is sustainability?

• A single organism.

• Avoidance of the depletion of natural resources in order to maintain an ecological balance.

• A measure of biodiversity.

• A technique to count organisms.

Commensalism is

• a symbiotic relationship where one organism benefits and the other is unaffected
• a neutral interaction between two organisms
• a relationship where one organism harms the other
• a relationship where both organisms benefit

What is a limiting factor?

• A single organism.

• Any biotic or abiotic component of the ecosystem that controls the size of a population.

• A measure of biodiversity.

• A technique to count organisms.

Which term describes a relationship where one organism benefits and the other is harmed?

• Mutualism

• Parasitism

• Cooperation

• Commensalism

What is the term for a relationship where one or both species rely on each other?

• Symbiosis

• Competition

• Predation

• Limiting factors

Which process involves groups of organisms working together for a common benefit?

• Predation

• Parasitism

• Cooperation

• Commensalism

What is a consumer in an ecological context?

• An organism that makes its own food.

• An organism that breaks down dead organisms.

• An organism that obtains energy by feeding on other organisms.

• A system of interacting organisms and nonliving factors.

When an organism breaks down wastes and dead organisms it is called a

• producer
• consumer
• scavenger
• decomposer

What are abiotic factors?

• The living parts of an ecosystem.

• The nonliving parts of an ecosystem.

• A system of interacting organisms.

• A measure of biodiversity.