Ecology Terminology

What is the definition of an ecosystem?

• The interrelationship between plants and animals and their environment

• The geographical distribution of ecosystems

• The group of populations living in a common habitat

• The study of organisms in relation to the environment

What is the study of organisms in relation to the environment called?

• Population

• Biogeography

• Ecology

• Biodiversity

What is the definition of a community?

• The group of populations living in a common habitat

• The study of organisms in relation to the environment

• The geographical distribution of ecosystems

• The interrelationship between plants and animals and their environment

What does the term 'population' refer to?

• The group of populations living in a common habitat

• The geographical distribution of ecosystems

• The study of organisms in relation to the environment

• Just one species

What is the productivity of an ecosystem?

• The measure of available water

• How much organic matter is produced per annum

• The variety of habitats, species, and genetic diversity

• The amount of stored energy

What is biodiversity in an ecosystem related to?

• Low levels of productivity

• High levels of productivity

• The amount of stored energy

• The measure of available water

What is biomass a measure of?

• How much organic matter is produced per annum

• The variety of habitats, species, and genetic diversity

• The geographical distribution of ecosystems

• The amount of stored energy

Why do forest ecosystems have higher rates of biomass than grassland ecosystems?

• Due to the geographical distribution

• Due to low levels of productivity

• Due to high levels of productivity

• Due to the measure of available water

What affects the net primary productivity of an ecosystem?

• The variety of habitats, species, and genetic diversity

• The amount of stored energy

• The geographical distribution of ecosystems

• Water availability, heat, nutrient availability, and age and health of plant species

Why is biodiversity high in tropical rainforests?

• Due to low levels of productivity

• Due to high levels of productivity

• Due to the measure of available water

• Due to significant climate change