Environmental Science Unit 1 Final 2023

What is the correct hierarchy of taxonomic groups, from largest to smallest?

• family, genus, species, subspecies

• genus, family, subspecies, species

• family, genus, subspecies, species

• genus, family, species, subspecies

Globally, the leading cause of biodiversity loss is

• invasive species.

• poaching and overharvesting.

• pollution.

• habitat change and fragmentation.

A group of individuals that interbreed and produce fertile offspring is a common definition for

• ecology.

• species.

• population.

• community.

Energy Star," "USDA Organic," and "Fair Trade Certified" are all examples of

• ecosystems.

• ecolabelling.

• non-market values

• market failure.

In aquatic ecosystems, net primary productivity is directly related to…

• whether the water is fresh water or saltwater.

• the speed at which the water moves.

• available sunlight and nutrients.

• waves and tides.

The disappearance of a particular population from a given area, but not of the entire species globally, is called…

• extinction.

• immigration.

• extirpation.

• speciation.

"All the living things and their physical environment within a given area" best defines…

• a community.

• an ecosystem.

• the biosphere.

• a population.

Matter organisms require for their life processes are called…

• legumes.

• decomposers.

• fertilizers.

• nutrients.

Which of the following describes the aphotic zone in an aquatic ecosystem?

• the very bottom of a body of water

• the zone where no sunlight penetrates, and photosynthesis cannot occur.

• the shallow, near-shore zone

• the uppermost layer where there is enough sunlight for photosynthesis.

What is the term that scientists use to describe how reproductively successful an organism is in its environment?

• Adaptation

• Fitness

• Speciation

• Evolution