Aquatic animals generally are ammonotelic in nature where as terrestrial forms are not. Comment.

How do animals generally mark their territories?

What are ammonotelic animals?Give two examples.

A terrestrial animal must be able to:

Terrestrial animals are generally either ureotelic or uricotelic, not ammonotelic, why?

In animals there are special glands secreting hormones, whereas there are no glands in plants. Where are plant hormones formed? How are the hormones translocated to the site of activity?

Nuisance growth of aquatic plants and bloom- forming algae in natural water is generally due to high concentrations of: