iGCSE Biology 4a: Ecology

What is the term used to describe a community of living organisms and their physical environment?

• Biome

• Ecosystem

• Habitat

• Niche

What is the term used to describe the process by which microorganisms break down organic matter and release energy?

• Primary production

• Photosynthesis

• Respiration

• Decomposition

What is the term used to describe the diverse range of living organisms found in a particular environment?

• Ecosystem

• Biodiversity

• Niche

• Biome

What term describes all species within a habitat?

• Population

• Community

• Biome

• Ecosystem

What term describes a single species within a habitat?

• Population

• Community

• Biome

• Ecosystem

What is the term used to describe the the place an organism lives?

• Habitat

• Biome

• Niche

• Biodiversity

What term describes how individual organisms interact over things such as habitat, food and mates?

• Conglomeration

• Compatability

• Competition

• Construction

When organisms of the same species interact over things such as mates it is described as:

• Interspecific

• Intraspecific

• Species specific

• Counter specific

When organisms of different species interact over things such as food it is described as:

• Interspecific

• Intraspecific

• Species specific

• Counter specific

A piece of equipment that can be used to sample ecosystems is called:

• Quadrat

• Quadrant

• Quadmouse

• Quadraped