The structure identified in the image above is called the
a. bronchioles
b. alveoli.
c. larynx
d. trachea.

d

Explanation:

it only makes since to put that, thst whole neck/long thing is the trachea

The correct answer is D. trachea.

Explanation:

Trachea is also called windpipe which is a hollow structure made up of approximately 20 cartilaginous rings. It connects the larynx to the bronchi of the lungs. It helps in the passage of oxygen to the lungs.

Trachea divides into two primary bronchi at the level of the 5th thoracic vertebra. One primary bronchi enter into right lung and another into the left lung. Then these primary bronchi divides into secondary bronchi in the lungs.

Then secondary branched divides into tertiary bronchi and tertiary bronchi branched into smaller bronchioles. These smaller bronchioles branch further to form terminal bronchioles. So the correct answer is D. trachea.

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: