Biology - Chapters 3 & 4

An organism that cannot make its own food is called a(n)

All biotic and abiotic factors in a pond form a(n)

Which biome is characterized by very low temperatures, little precipitation and permafrost?

Groups of organisms so similar to one another that they can breed/produce fertile offspring.

Only 10% of energy in an organism can be passed to the next trophic level. The rest is

Green plants are

Organisms that obtain nutrients by breaking down dead and decaying plants/animals are called

Climate is a global factor that produces

Ponds and lakes are

An organism that uses energy to produce its own food supply is called a(an)

Tendency for warm air to rise and cool air to sink results in

What is the combined portions of Earth called in which all living things exist?

Type of symbiosis in which one organism benefits and the other is harmed is called

Temperatures on Earth remain within a suitable range for life because of the

Which factor can influence continual change in an ecosystem?

The algae at the beginning of the food chain are

A(n) _______ stores water in the ground.

The unequal heating of Earth's surface

An example of a place with a microclimate is

Which is NOT an adaptation that organisms have for living in flowing water?

The simplest grouping of more than one kind of organism in the biosphere is a(an)

Average year-after-year conditions of temperature and precipitation in a particular region is

What animals eat both producers and consumers?

The evaporation of water from the surface of plant leaves is called

Climate conditions in a small area that differ from climate of surrounding area are called

What is an organism that feeds only on plants called?

Branch of Biology dealing with interactions among organisms and their environment is

Each of the following is an abiotic factor in the environment EXCEPT

What is original source of almost all energy in most ecosystems?

Chemistry of aquatic ecosystems is determined by

Organisms need nutrients in order to

Which of the following organisms does NOT require sunlight to live?

Repeated movement of water between Earth's surface and the atmosphere is called

Which two biomes have least amount of precipitation?

Symbiotic relationship of a flower and insect that feeds on its nectar is

An interaction in which one organism captures and feeds on another organism is called

Which of the following descriptions about the organization of an ecosystem is correct?

Symbiosis in which both species benefit is called

Cool air over the poles will

Several species of warblers can live in the same spruce tree ONLY because they

The total amount of living tissue within a given trophic level is called the

Which is a biotic factor that affects the size of a population in a specific ecosystem?