The alveoli. These little air sacs are found on the end of the bronchioles and are the place where oxygen enters the blood and the carbon dioxide leaves.
Explanation:
Amylase, lipase, pepsin, trypsin
Help in digestion of food by catabolizing nutrients into monomeric units
Hemoglobin, albumin
Carry substances in the blood or lymph throughout the body
Actin, tubulin, keratin
Construct different structures, like the cytoskeleton
Insulin, thyroxine
Coordinate the activity of different body systems
Legume storage proteins, egg white (albumin) Provide nourishment in early development of the embryo and the seedling
<span>B. A secondary consumer that obtains its energy from the consumption of animals.
The red-tailed hawk is a secondary consumer because it feeds itself on primary consumers (those that eat plants, herbivores). Secondary consumers, by definition, </span><span>obtain their energy from eating other animals. Secondary consumers are also usually the ones that stand on the second and above rows of a food chain, being the plants at the bottom and the primary consumers just above the plants.</span>
Answer:
A group in which a star is classified according to its spectrum.
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