At the most basic level of the living world we find

a. atoms.
b. cells.
c. molecules.
d. compounds.
e. ions.


A

Biology & Microbiology

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Use the following organisms to describe energy flow and nutrient cycling: fungal decomposer,

caterpillar, deciduous tree, and carnivorous bird.

What will be an ideal response?

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Which type of bond holds the two strands of DNA together?

a. ionic b. network c. polar covalent d. hydrogen e. non-polar covalent

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Clownfish and sea anemones live together each benefiting the other. The clownfish protects the sea anemone from predators and the sea anemone provides food and protection for the clownfish. This relationship is called

a) commensalism b) predation c) parasitism d) mutualism

Biology & Microbiology

The bacterial cell wall is composed of

a) cellulose. b) glucan. c) chitin. d) peptidoglycan.

Biology & Microbiology