The largest laryngeal cartilage is the cricoid cartilage True/False: The cartilage pieces get progressively smaller as you move from the trachea to the bronchi to the bronchioles True/False: Without the chemical surfactant in the alveoli, the alveoli will collapse True/False: Air enters the lung when the thoracic cavity decreases in volume

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

The importance of the mind as a part of the body is an example of: