Biomes

What is the study of how living things interact with one another and their environment?

• biology

• ecology

• geology

• genetics

Which statement best describes a population?

• members of the same species

• dogs, cats, and people living in the same house

• a group fo individuals of the same species living in the same area

• a community of organisms living together with the nonliving parts of he environment

A group of populations that interact with one another in a particular area is called

• a biome.

• a community.

• an eccosystem.

• an environment.

Three important abiotic factors within an ecosystem are

• air, soil, and grass

• water, sunlight, and air

• bacteria, algae, and protists.

• water, bacteria, and temperature

What is the biosphere?

• the upper layer of soil where all plants grow.

• the part of Earth in which living things are found

• different areas of the world that share similar characteristics

• a large group of ecosystems with similar climates and organisms

Where would you find a layer of permanently frozen soil just below the surface?

• in the taiga

• in the forest

• in the desert

• in the tundra

Some environments have very harsh abiotic factors like very low temperatures and long, dark days. How can organisms live in such an environment?

• They can't live there.

• They develop adaptations.

• They make their own biome in which to live.

• They live there for a short time and then move on.

Which of the following statements about biomes is correct?

• Earth is divided into three major biomes.

• Each biome consists of different parts of the world with similar climates.

• The temperature within a biome remains the same throughout the year.

• As the number of plaints in a biome increases the number of animals decreases.

What do deciduous trees do each year?

• hibernate during the winter

• grow needle-like leavs in the winter

• grow extra leaves when rain is scarce

• shed their leaves and then grow new ones.

Which biome contains the greatest number of species?

• desert

• grassland

• deciduous forest

• tropical rain forest