Which of the following is an example of a human disruption to the balance of nature?

terracing
recycling
conservation
poaching

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.

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?

If a young male's body is just beginning the process of producing sperm, when is it likely that he would ejaculate mature, viable sperm"