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Which of the following is the correct order of the levels of organization in the biosphere?

Organism, population, community, ecosystem, biome, biosphere

Biosphere, biome, ecosystem, community, population, organism

Organism, population, ecosystem, community, biome, biosphere

Biosphere, biome, community, ecosystem, population, organism

Which of the following is a characteristic of a eukaryotic cell?

It lacks a true nucleus.

It has a cell wall made of peptidoglycan.

It contains membrane-bound organelles.

It is always unicellular.

Which of the following is the primary function of the respiratory system?

Transport of oxygen and nutrients to the body’s cells

Removal of waste products from the body’s cells

Maintenance of fluid balance in the body

Exchange of gases between the body and the environment

Which of the following is the correct order of the levels of organization in the biological hierarchy, from smallest to largest?

Organism, population, community, ecosystem, biosphere

Organism, community, population, ecosystem, biosphere

Organism, population, ecosystem, community, biosphere

Organism, ecosystem, population, community, biosphere

Which of the following is a type of connective tissue?

Skeletal muscle

Cardiac muscle

Adipose tissue

Nervous tissue

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