Africo Classification of Living Things Part 1

Front

Scientists estimate that there are about ________ species with around ____________ new species being discovered yearly.

Back

1.5 million and 18,000

Front

The science of classifying living things is called

Back

Taxonomy

Front

Organisms are classified according to: physical, cellular, genetic

Back

all of the above

Front

Number of categories in the classification system

Back

8

Front

What are the 3 domains of the living things?

Back

Eukarya, Bacteria, Archaea

Front

The three domains are subdivided in ____ kingdoms

Back

6

Front

Anaerobic means without ____________ while aerobic means ____________ oxygen.

Back

oxygen and requires

Front

Heterotrophs must ____________ nutrients from other sources because they can not produce it themselves.

Back

eat both plants and animals

Front

Autotrophs must ____________ nutrients from other sources because they are nutrient producers.

Back

create their own

Front

Archaea are also called __________________ because they live in harsh or extreme environments.

Back

extremophiles