Biology Ch 3 BJU mcelveen

The temperatures and precipitation amounts between adjacent climate zones tend to change abruptly.

The term biodiversity refers to

Pelagic organisms are those that dwell on the ocean floor.

This biome has moderate temperatures and precipitation, but doesn't get enough rain to support trees.

Plants and animals in this biome have water-conserving mechanism and are often active at night.

This biome is permanently frozen ground and little vegetation. Long winters and short summers

This biome has large trees. Animal life includes elk, moose and wolverines.

Dead plant and animal material is known as biomass.

Coyotes and bobcats both prey on small rodents. This is an example of

A relationship in which one organism benefits, but the other is neither helped nor harmed is called

Autotrophs are also known as

The amount of living matter that an ecosystem can support is its

Regions of the biosphere that share certain environmental conditions, such as climate, are known as

The forest in a tropical rainforest can be divided into layers of growth that are based on how much sunlight it receives

Symbiosis is when different animals live and interact with each other within a particular habitat.

The biosphere includes all the parts of the earth and its atmosphere that support living things.

Each trophic level in an ecological pyramid contains ______ energy than the level beneath it.

A particular type of biome tends to be restricted to a small portion of the earth.

This is the earth's smallest biome by land mass.

The average weather in an area over an extended period of time constitutes an area's

A food web is composed of overlapping trophic levels.

All the organisms of the same species and living in the same community are known as a(n)

Herds of herbivores support packs of predators in this biome.

The smaller part of an ecosystem that an organism prefers to live in is known as that organism's

The way that an organism lives in its habitat is know as that organism's

On a mountain, temperatures and precipitation are insufficient to grow trees above a certain elevation called the

Competition can occur between

The study of ecology includes the study of interrelationships between organisms and

Which of the following would be considered a biotic factor of an ecosytem?

This biome supports the earth's greatest biodiversity.

Temperature and precipitation are not affected by latitude or elevaiton.

The ecological layers within a a biome due to factors such as elevation or depth are known as vertical zonation

When an organism depends on another organism for food, called the host, the dependent organism is exhibiting