These conditions enable organisms to find enough energy and nutrients to maintain homeostasis, to grow and reproduce

If conditions fall above or below the optimum range an organisms will experience

Where an organism lives and what it does for a living, including how they interact with biotic and abiotic factors is a species

Any necessity essential for live is called

When more than one organism attempts to use the same resource you have

What states that no two species can occupy exactly the same niche in exactly the same habitat at the same time

What contains numerous producers and many consumers on several trophic levels

True or False: Predator Prey relationships do not affect populations

True or False: Herbivores impact the plant population

A species that plays a vital role in maintaining structure, stability, and diversity in an ecosystem.

True or False: A keystone species has a powerful influence on an ecosystem

A close interdependent relationship between two species is called

When one species benefits and the other is not harmed

A relationship where both species benefit

A relationship where one species benefits and the other is harmed

A series of somewhat predictable events that occur in a community over time

Succession that begins on newly formed rock or other areas that have no remnants of an older community is called

The first species to colonize barren areas

When a disturbance affects an existing community but doesn't completely destroy it what occurs?

True or False: Succession occurs in most cases by each species altering its environment in ways to make it easier for other species to compete for resources and survive.

A community that is specific, uniform and stable is called a

True or False: Humans have no impact on the environment and do not impact succession.

The total of all genetically based variation in all organisms in the biosphere is called

The variety and variability of habitats, communities, and ecological process in the biosphere is

The number of different species in the biosphere, or in a particular area

The total of all different forms of genes present in a particular species.

True Or False: Biodiversity has man benefits

A natural or human system's ability to recover after a disturbance is

True or False: Resilient ecosystems have some ability to adapt to changes over time

The benefits provided by ecosystems to humans are called