Animals are a highly developed and complex group of organisms. They are heterotrophic (depend on external sources for food intake) in nature and possess the ability to move about in their surroundings. All these highly complex tasks are performed by sophisticated organ systems within the animal’s body.
An organ system is defined as a group of organs working in synergy to perform a……..
The leaf can be defined as the prominent peripheral part of the vascular plants borne on the stem mainly specialized for photosynthesis.
Although the stem of young and some different plants can carry out photosynthesis but the leaves account for the major surface area for plants’ overall photosynthesis, transpiration and gaseous exchange.
The flat and thin structure of the leaves containing…..
Plants play a pivotal role in making the surrounding environment suitable for living. Plants provide us with oxygen, fruits, fibre and wood. Plants, likes humans, are highly variable and each terrain has its own variety of plants. However, a flowering plant usually consists of four different parts;