apes unit 2.1-2.2 vocab

The variety of life forms in an area known as _____.

biodiversity

The three main levels of biodiversity are ____, _____, and _____ diversity.

ecosystem, genetic, species

______ refers to the number of different species in a community.

species richness

_______ measures how evenly individuals are distributed among the species in a community.

species evenness

______ allows populations to adapt to changing environmental conditions.

genetic diversity

_____ refers to the variety of habitats and communities within a region.

ecosystem diversity

The benefits that humans obtain from ecosystems are called _______.

ecosystem services

The four categories of ecosystem services are ____, _____, _____, and _____ services.

provisioning, regulating, supporting, cultural

Food, timber, and water are examples of _____ services.

provisioning

Climate regulation and pollination are examples of ______ services.

regulating

Recreation and spiritual enrichment are examples of _____ services.

cultural

Nutrient cycling and soil formation are examples of _____ services.

supporting

The range of environmental conditions that an organism can tolerate is known as its ______.

tolerance range

A _____ species is one that plays a vital role in maintaining ecosystem balance.

keystone

A species that physically creates or maintains a habitat is called a _____ species.

foundation

Coral reefs and trees are examples of ____ species.

foundation

An _____ factor is a nonliving component of an ecosystem such as sunlight or temperature.

abiotic

A _____ factor is a living component of an ecosystem such as plants or animals.

biotic

The ability of an ecosystem to resist disturbance is called _____.

resistance

The ability of an ecosystem to recover after a disturbance is called _____.

resilience

_____ leads to the survival of indivoduals best adapted to their environment.

natural selection

The _______ states that ecosystems with moderate disturbances have the greatest diversity.

intermediate disturbance hypothesis

______ refers to the number of different habitats within a given area.

habitat diversity

Biodiversity increases the ____ and _____ ecosystems.

stability, productivity

Humans rely on _____ for food, clean air and water, and climate regulation.

biodiverse ecosystems