AH Biology Unit 2.1

State two additional risks or hazards associated with fieldwork compared to laboratory work.

Answer explanation

Expected answer: Any two from:

isolation;

terrain;

tidal changes;

weather conditions.

What term is used to describe the personification of animal behaviour?

• Homeomorphism

• Pseudomorphism

• Endomorphism

• Anthropomorphism

What are observations of animal behaviour recorded on?

Answer explanation

An ethogram.

What is the study of animal behaviour called?

Answer explanation

Ethology

Mark and recapture is a method used in monitoring populations. Give two methods for marking wild organisms.

Answer explanation

Expected answer: Any two from:

banding;

hair clipping;

painting;

surgical implantation;

tagging.

Which of the following statements correctly describes stratified sampling?

• 50 ladybirds are randomly chosen from a population of 500 ladybirds and their metabolic rate is measured.

• 10 pupils from each year group in a school are randomly selected and their pulse rate is taken.

• A quadrat is placed every 2m along a 20m transect line.

Elusive species are difficult to sample. Give one technique used for sampling elusive species.

Answer explanation

Expected answer: Any one from:

camera traps;

remote detection;

scat sampling.