Ecology trilogy - AQA

What type of compost should people choose to avoid contributing to global warming?

• Peat free compost

• Compost made using peat

True or false; in the water cycle, water falls from clouds in a process called evaporation

• True

• False

Which is the best definition of an extremophile?

• An organism that is able to live in only one type of environment

• An organism that is adapted to living in very extreme conditions

• An organism that is adapted to living in safe conditions

What does a change in the distribution of an animal mean?

• A change in its numbers

• A change in where it lives

• A change in the food it eats

Which of the following factors do plants compete for?

• Light, space, water and mates

• Water, mates, space and mineral ions

• Space, water, light and mineral ions

True or false, global warming could reduce the earths biodiversity

• True

• False

Biodiversity is…

• All the organisms of one species living in a habitat

• The interaction of a community of living organisms with the abiotic parts of their environment

• The variety of different species on Earth

How do the population size of predators and prey change in a stable community?

• The size of the predator population continuously increases

• The size of the prey population continuously decreases

• The sizes of both populations rise and fall in cycles

How can you study the distribution of organisms in a way that will give reproducible results?

• Always take the sample from the same place

• Use a small sample size

• Use a large sample size

What is global warming?

• An increase in the level of oxygen within the Earths atmosphere

• A decrease in the level of carbon dioxide within the Earths atmosphere

• An increase in the average global temperature