How would you differeniate primary succession from secondary succession

Identify the examples in which sam interacts only with natural resources

What organ systems are working to you cool down after a workout?

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.