The differences in beak shape are examples of:

BIOLOGICAL ADAPTATION

Explanation:

Bird beaks are textbook examples of BIOLOGICAL adaptation to diet, but their shapes are also controlled by genetic and developmental histories.

The first one is bacterial because it mutates very quickly compared to humans and the second one is biological adaptation

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Explanation:

eagles have specially adapted feet and talons to help them out. A series of bumps on the bottom of their feet -- known as spicules -- help them hold on to their prey during flight. They also have razor-sharp talons that they use to grab their prey, kill it and tear into.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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both anaerobic and aerobic respiration use glucose (or other carbohydrates), proteins and lipids to produce atp and nadh. cell uses those energy molecules, obtained from food and   breaks them down during the chemical reactions of respiration. in anaerobic respiration, nadh is regenerated to nad+ by enzymes lactate dehydrogenase (lactate is produced, e.g. in muscle cells) or by alcohol dehydrogenase where ethanol is produced (alcohol fermentation), while in aerobic respiration, electrons from nadh are deposited in the mitochondria to regenerate nad+ (electron transport chain. anaerobic respiration produces 2 atp per molecule of glucose compared to aerobic respiration where about 38 atp molecules are produced.