Flashcards in Chapter 3.3 Sampling techniques and measurement of abiotic and biotic factors Deck (6):
Abiotic factors can be measured using
instruments designed to give numerical values
A sample can be taken to represent a
population of an organism in a habitat or an ecosystem
Quadrats can be used to sample organisms that are
fixed, or partly fixed, to a surface or those that spend a significant time motionless.
Pitfall traps can be used to sample
invertebrate animals that move around surfaces
Quadrats and pitfall traps can be used
quantitatively or qualitatively to estimate populations of organisms.