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