The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage...
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Fig. 20 X-ray video of a female American alligator while breathing.
The anatomical structure of the lungs is less complex in reptiles than in mammals, with reptiles lacking the very...
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). In this system, the process of...
Learning objective:
By the end of this chapter, you will be able to-
Define Seed, Parts of Seed, types of the seed
Factor required for the seed to grow into new plant or sapling
Define Germination...