The trilobite seen in this image was once found widespread in the ocean something changed to limit and finally abolish their suscess what do scientists this example of

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.

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?

Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.