Early seral species
(Science: plant biology) shrubs, such as ceanothus, and hardwoods, usually in tree form, such as red alder, bitter cherry and big leaf maple. These species start growing in natural succession soon after a disturbance (fire or logging).
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..