Ecosystems and biodiversity

Which alteration would cause biodiversity in an area to rise?

May/June 2018

Marine coastal areas contain a wide variety of plant and animal life. Which process would lead to a decrease in the biodiversity of these environments?

May/June 2021

Which alteration would result in an increase in biodiversity in an area?

May/June 2023

A student studied how many plants were growing on a school field. This was carried out by looking at small parts of the field with a square frame that measured 0.5 m \times 0.5 m. Fig. 2.1 displays the plants in one of these 0.5 m \times 0.5 m samples.

May/June 2024

Which statement explains interactions within ecosystems?

Oct/Nov 2017

Which statement gives a description of relationships in ecosystems?

Oct/Nov 2017

Fig. 4.1 illustrates the links among several organisms living together in a South American rainforest.

Oct/Nov 2017

Which statement is used to describe relationships in ecosystems?

Oct/Nov 2020

Which of the following statements describes relationships in ecosystems?

Oct/Nov 2020

What does the term community mean?

Oct/Nov 2023

Which term is used to describe the number of different species living in an area?

Oct/Nov 2023

Mangrove trees develop in forests that make up an important coastal ecosystem. Mangrove forests show high biodiversity, with many different animal species living there.

Oct/Nov 2023

Animal populations are influenced by disease, the number of predators and the availability of food. Which row would result in the greatest increase in population size?

Oct/Nov 2024