Biology Midterm Review

An autotroph is

• an organism that eats other organisms

• an organism that makes it own food

• an organism that eats dead organisms

• an organism that eats others and produces its own food

An example of an autotroph would be

• mushroom

• bean plant

• segmented worm

• frog

Which is an example of a biotic factor that would LIMIT the size of deer herd?

• populations of predators

• summer drought

• lack of oxygen at high altitudes

• heavy winter snowfalls

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An example of an abiotic factor affecting aquatic organisms would be

• number of fish in the environment

• number of clams in the environment

• amount of dissolved oxygen in the water environment

• amount of algae in the water environment

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NGSS.MS-LS2-1

a trait shared by all enzymes is that their function is determined by th

• the shape of their molecules

• DNA they contain

• inorganic compounds they have

• organelles present

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Most living things contain

• organic compounds only

• inorganic compound onlys

• both organic and inorganic compounds

• neither organic or inorganic compounds

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Which substance is an inorganic compound

• carbon dioxide

• sugar

• protein

• fat

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Which organic compound is correctly matched with the building block that composes it

• Fat-- amino acids

• Starch --- simple sugars

• Protein-- starches

• DNA-- Fats

The process where building blocks are linked together to form larger molecules is called

• protein hydrolysis

• chemical digestion

• cellular respiration

• dehydration synthesis

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Which large molecule is correctly paired with the end product of its digestion (the building blocks)

• nucleic acid- glycerol

• carbohydrate- fatty acid

• protein- amino acid

• lipid- nucleotide

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