The route that sperm take from formation to ejaculation from the penis is from the testes to .

Scientist have long study the earths climate by looking at which of the following? the earths orbit. the earths rock layers. the antarctic ice. the earths oceans.

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells