In a gasoline engine, the area in the cylinder head where the air-and-fuel mixture is burned is called the

a. intake valve.
b. cylinder.
c. piston.
d. combustion chamber.

During the process of meiosis, special cells called gametes are formed. gametes only have half the number of chromosomes that the other cells in the body have. what form of reproduction do organisms that produce gametes use?

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?