In sexual reproduction, sex cells from each parent combine to form a new offspring. these sex cells are called

These sex cells are called gametes

Explanation:

Gametes are the reproductive cells, whether male or female, in their nucleus only have one chromosome of each pair, and it has the ability to bind to the gamete of the opposite sex, during fertilization, whose gamete junction is known as zygote. Some of its characteristics is that they are formed by meiosis. The gametes are called according to the sex of the carrier: ovules and sperm.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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