During the formation of metamorphic rocks, what is one event that leads to increased heat? Sun warms rocks.
Magma pockets rise.
Friction occurs between sliding rocks.
Lava at Earth’s surface flows over rocks.

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.