Question 1

List four abiotic factors that can affect the distribution of organisms in an ecosystem.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 2

Define the term population.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 3

Define the term species.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 4

Define the term dichotomous key.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 5

Outline the steps involved in using a dichotomous key to identify an organism.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 6

State two advantages of using dichotomous keys for organism identification.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 7

Distinguish between an organism and a species.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 8

State four observable physical features that could be used to identify plant species in the field.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 9

State the rules for writing a binomial name and provide an example.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 10

Distinguish between a population and a species, using wolves as an example.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 11

Distinguish between abiotic and biotic factors, giving one example of each.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 12

Outline why classification systems may change over time.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 13

Outline three limitations of using dichotomous keys for identifying organisms.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 14

Explain why accurate identification of organisms is important for conservation efforts.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 15

Figure 3 shows a tolerance curve for a species of freshwater fish, illustrating how population growth rate changes with water temperature.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 16

Figure 2 shows three types of population distribution patterns that can be observed in nature.

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 17

What is a dichotomous key used for?

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 18

Which statement best defines a species?

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 19

What is the main purpose of scientific classification in biology?

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Question 20

Which of the following is an abiotic factor in an ecosystem?

Accepted Answer

Sign up to Aimnova to view the full markscheme, model answer, and get AI-powered feedback on your response.

Topic 2.1: Species, Populations Questions

Ready to practice Topic 2.1?