Organisms and the environment

What is the term for the number of samples in an investigation?

What is a quadrat used to investigate?

• population density

• species health

• mammal population distribution

• abiotic factors

Data being expressed in numbers and units is....

• qualitative

• quantitative

Descriptive data using observations and not numbers is termed....

A __________is used to carry out __________ sampling using a tape measure.

• Transect. systematic.

• Transect. random.

• Grid. systematic.

• Grid. random.

In no order, without pattern.

The _______ describes the maximum and minimum values of the variables.

What is the term for the range and variety of living organisms within an ecosystem?

• Species richness

• Population

• Abundance

• Biodiversity

Biotic factors are the ________ components within an ecosystem.

_________ factors are the _________________ components within an ecosystem.

• Abiotic. Living.

• Abiotic. Non-living.

• Biotic. Living.

• Biotic. Non-living.