Ecology GCSE Quiz

What is an example of a predator-prey relationship?

• Cats and dogs

• Sharks and dolphins

• Birds and worms

• Lions and zebras

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

• Sunlight

• Temperature

• Rainfall

• Plants

What does biodiversity refer to?

• The number of species in a particular habitat or ecosystem.

• The genetic diversity within a single species.

• The size of a particular habitat or ecosystem.

• The variety of life forms in a particular habitat or ecosystem.

What is the carrying capacity of a population?

• The carrying capacity of a population is the maximum number of individuals that a particular environment can sustainably support.

• The carrying capacity of a population is the maximum number of individuals that can be artificially supported.

• The carrying capacity of a population is the minimum number of individuals needed for survival.

• The carrying capacity of a population is the average number of individuals in a given area.

Which process is responsible for the conversion of nitrogen gas into a usable form by plants?

• nitrogen denitrification

• nitrogen fixation

• nitrogen assimilation

• nitrogen volatilization

What is an example of a mutualistic relationship?

• Sharks and fish

• Bees and flowers

• Lions and zebras

• Ants and aphids

What is the primary source of energy in most ecosystems?

• fire

• sun

• water

• wind

What is the term for the variety of different species in an ecosystem?

• species diversity

• ecosystem diversity

• biodiversity

• environmental diversity

What is the term for the movement of individuals into a population?

• exodus

• migration

• immigration

• emigration

Which process is responsible for the release of carbon dioxide into the atmosphere?

• photosynthesis

• respiration

• combustion

• evaporation