What are gravestones made out of?

What are gravestones made out of? Most gravestones made over the last few centuries are made of a few types of rock: marble, slate, and granite are the big three. Sometimes you run into darker stones made of gabbro, maybe a few sandstone markers, but especially in more recent monuments, marble and granite (and other […]

How do ferns germinate?

How do ferns germinate? Ferns do not flower but reproduce sexually from spores. Mature plants produce spores on the underside of the leaves. When these germinate they grow into small heart-shaped plants known as prothalli. Male and female cells are produced on these plants and after fertilisation occurs the adult fern begins to develop. Will […]

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top