Chapter 3.3 Sampling techniques and measurement of abiotic and biotic factors Flashcards Preview

FULL COURSE National 5 Biology > Chapter 3.3 Sampling techniques and measurement of abiotic and biotic factors > Flashcards

Flashcards in Chapter 3.3 Sampling techniques and measurement of abiotic and biotic factors Deck (6)
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1
Q

Abiotic factors can be measured using

A

instruments designed to give numerical values

2
Q

A sample can be taken to represent a

A

population of an organism in a habitat or an ecosystem

3
Q

Quadrats can be used to sample organisms that are

A

fixed, or partly fixed, to a surface or those that spend a significant time motionless.

4
Q

Pitfall traps can be used to sample

A

invertebrate animals that move around surfaces

5
Q

Quadrats and pitfall traps can be used

A

quantitatively or qualitatively to estimate populations of organisms.

6
Q

Sampling techniques such as those involving quadrats or pitfall traps are limited in what they can measure and can potentially create

A

sources of error.