A chromosome that fails to pair with another during the prophase stage of meiosis, and therefore does not exchange genetic information via crossing over. This situation usually occurs in polyploids with an odd chromosome compliment, such as triploids...
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..
