Populations and Sampling

When scientists wish to sample animal populations they use:

• Quadrat Random Sampling

• Transects

• Mark and Recapture

When scientists wish to sample plant populations they use:

• Quadrat Random Sampling

• Transects

• Mark and Recapture

True or False: Probability is involved in population sampling, like the probability of catching a tagged fish.

• True

• False

True or False: When a population is uniform in its distribution Quadrat Random Sampling works best.

• True

• False

When a population is clumped it is best to use Transects to sample the population.

• True

• False

The population of plants can be estimated by:

• Mark and Recapture

• Quadrat Random Sampling

• Transects

The population of FAST MOVING animals can be estimated by:

• Mark and Recapture

• Quadrat Random Sampling

• Transects

True or false: The populations within an ecosystem never change.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

animals are captured and marked before being released. Several days later, animals are captured again before an estimate of population is calculated. Name this population counting method

• Quadrats

• Random selection

• Capture-Recapture

• Averaging

Look at each picture carefully. Decide if the picture shows a population or a community.

The deer in the forest.

• Population

• Community

Tags

NGSS.MS-LS2-1