Ch 18.1.2.3 Ecology - Energy cycling

An organism’s niche includes

The primary productivity of an ecosystem the amount of organic material that the ____ produce.

The physical area in which an organism lives is called its ________________.

An ecosystem consists of

The specific physical location in which a given species lives is called its

All organisms in an ecosystem are linked together in a network of interactions. This is called

_______ is the study of how organisms interact with each other and with their environment.

A group of organisms of different species living together in a particular place is called a

Species with narrow niches

Which of the following would not be included in a description of an organism’s niche?

Ecological models are useful for all of the following purposes except

The ___ of an organism includes habitat, feeding habits, and interactions.

. In an ecological energy pyramid, animals that feed on plants are at least in the

Organisms that do not regulate their internal conditions are called _____________.

The areas of a tolerance curve that lie at the extreme high or low represent the

The number of trophic levels in an ecological energy pyramid

Animals that eat only primary producers are classified as ____________________.

In going from one trophic level to the next higher level,

In a food web, which type of organism receives energy from every other type?

Every time energy is transferred in an ecosystem, some of the energy is lost as ______________.