Biology 3.2

Question 1

Name 2 sampling techniques

Answer 1

Pitfall traps / quadrats

Question 2

What are pitfalls used for

Answer 2

A pitfall trap is used to sample organisms that move around in the leaf littler

Question 3

How can quadrats be used

Answer 3

A quadrat is used to sample plants and animals that do not move around much (plants and fungi)

Question 4

What are some abiotic factors

Answer 4

Light intensity, soil moisture and temperature

Question 5

What are the units on a light meter

Answer 5

A-H A being the lowest and H being the highest

Question 6

What is a precaution when using a light meter

Answer 6

Try to not cast a shadow over the light meter

Question 7

What is a precaution when using a moisture meter

Answer 7

Use something dry and absorbent to wipe away any residue moisture

Question 8

What is an indicator species

Answer 8

An indicator species are species that by their presence or absence indicate the environment quality/level of pollution