The colour of an organism is an adaptation that helps it survive. In nature plants and animals use colour and patterns in different ways. Two types of coloration are found in animals: Type # 1. Deceptive Coloration: Deceptive coloration is when an organism's colour fools either its predators or prey. There are two types of deceptive coloration- camouflage and mimicry. [...]
In this article we will discuss about the evolution of plants and animals. Evolution of Plants: The first organism that existed on land were plants that occur before animals or other life forms: (i) Bryophytes were the first plant to colonies lands and were evolved before the vascular plants like pteridophytes and gymnosperms. (ii) Vascular plants first originated in Silurian [...]
The following points highlight the five important evidences that prove the evolution of life on earth. The evidences are: 1. Miller-Urey Experiment 2. Palaeontological Evidences 3. Comparative Anatomy and Morphological Evidences 4. Biochemical Evidences 5. Bio-Geographical Evidences. 1. Miller-Urey Experiment: Stanley Miller and Harold Urey performed the experiment in 1953. They demonstrated clearly that ultraviolet radiations or electrical discharges or [...]