Review for quiz 9.15

Which types of sampling methods would be best used for sedentary (not a lot of movement) organisms?

• Fogging and Mark and Recapture

• Quadrant

• Mark and recapture

• Transect and Fogging

Which types of sampling methods would be best used for mobile organisms?

• Mark and Recapture

• Quadrant and Transect

• Quadrant

• Transect and Fogging

Which type of sampling involves breaking an ecosystem into a grid and randomly selecting certain squares to count

• Mark and Recapture

• Quadrant

• Transect

• Netting

What type of sampling involves tagging an individual and releasing them back

• Mark and Recapture

• Fogging

• Netting

• Transect

Conservationists want to find the population of a species of mountain goat. On one day they capture 12 goats, tag them and release. A week later they capture 8 goats, 5 of which are tagged. What would the estimate of the population be?

• 19

• 40

• 72

• 30

A farmer wants to estimate the number of rabbits on his farm.

On Monday he catches 120 rabbits.

He puts a tag on each rabbit.

He then lets the rabbits run away.

On Tuesday the farmer catches 70 rabbits.

15 of these rabbits have a tag on them.

Work out an estimate for the total number of rabbits on the farm.

• 560

• 500

• 120

• 1000

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

• It will increase.
• It will decrease.
• It will stay the same.
• It will fluctuate.

Living things within an ecosystem are called _____________ factors.

• abiotic

• non-living

• biotic

• organisms

One of any living thing is called a/an _______________.

• producer

• consumer

• biotic factor

• organism

A/an _______________________ is all the living organisms that live in an area and the non-living features of their environment.

• organism

• ecosystem

• community

• population