Biodiversity recall - wk 1

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

Any thing or organism that regulates the size of a population of another organism is known as __________.

• a limiting measure
• a limiting factor
• factorization
• materialization of precipitation

Will competition increase or decrease the population of a species of animals?

• Decrease

• Increase

An environmental factor such as amount of space, disease, and availability of mates that depends on the number of members in a population is called

• density- dependent factor

• density- independent factor

Which limiting factor is density independent?

• water

• food

• natural disasters

Define population density.

• Population density is the average age of individuals in a given area.

• Population density is the total land area of a given population.

• Population density is the number of individuals per unit volume.

• Population density is the number of individuals per unit area.

The non-living conditions in an organism's surroundings are referred to as ___________factors

• biotic

• abiotic

• physical

• ambient

Which of the following is NOT one of the categories of abiotic factors that can affect the types of organisms present in an ecosystem.

• Climate

• Geography

• Predation

• Substrate

The following interactions are all types of symbiosis except for ____________

• Parasitism

• Predation

• Cooperation

• Mutualism

A type of interaction in which two organisms of different species live in a close relationship with one another and at least one benefits is called _______________

• Competition

• Predation

• Disease

• Symbiosis