Biology

Question 1

What is a habitat?

Answer 1

A habitat is the environment an animal lives in.

Question 2

What is population?

Answer 2

Population is the amount of one same species living in a single area.

Question 3

What is a community?

Answer 3

A community is an interdependent collection of species in one area.

Question 4

What factors affect an environment?

Answer 4

Biotic (living factors) and abiotic (non-living) factors.

Question 5

List 4 abiotic factors.

Answer 5

1) Sunlight
2) Wind
3) Precipitation
4) Temperature

Question 6

List 4 biotic factors.

Answer 6

1) Predators
2) Diseases
3) Competition
4) Consumers

Question 7

What is a stable community?

Answer 7

A stable community is a community in which all populations of species stay relatively constant.

Question 8

What is systematic sampling?

Answer 8

Systematic sampling is when samples are measured at regular intervals.

Question 9

What is random sampling?

Answer 9

Random sampling is when the sample area is chose completely randomly.

Question 10

What are 2 advantages of systematic sampling?

Answer 10

1) Reduces sampling bias
2) It is faster than random sampling

Question 11

What are 2 advantages of random sampling?

Answer 11

1) Simple to carry out
2) Reduces bias