A pollen grain is:

The beginnings of the diversification of animal life that goes on to become represented in the Cambrian Explosion started during which of the following periods?

What has been learned about whales by examination of the ear bones of their ancestors?

The ratio of Oxygen isotopes in currrent whales, ancient whales and their ancestors lets us know…

Which of the following is a misconception about Evolution?

The presence of the astralagus in the first whales links Cetaceans genetically to…

Which of the following periods ended with the so-called K-T (65 million years ago) which was responsible for the extinction of almost all Dinosaurs?

Which of the following early naturalists was the first to observe that different layers of sediment (strata) contain distinct groups of fossils?

Antigenic shifts which can dramatically influence how infective and virulent a virus is for their host species are sometimes promoted by viral transfers/transmission between different host species.

Fungi associated with what organisms for the mutual benefit of both organisms in their expansion onto the land (onto dry land).