May someone me? which of the following could be a characteristic of the fossil that is most closely related to humans? c-shaped back bone s-shaped backbone water-dwelling tree-dwelling

I think it would be  a c shaped backbone

It would be C Fossils aren't normally related to humans

parasites can detrimentally affect their host, but also must not allow their host to die before they can complete their life cycle. some parasites have complex life cycles with many different hosts, and have had to find ways of persisting in many different environments during the change from one host to another. ectoparasites live outside the body of the host, and can more easily  disperse, but are  more exposed to predators, parasites, parasitoids. endoparasites live inside the body of the host, and are therefore protected from the outside environment. but they can be  attacked by the host's immune system. they have therefore developed  mechanisms for dispersal such as  complex life cycles.

compost can be added to topsoil as a:

pesticide