Chronic disease
diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care.
With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....
