specialization science

Spraying of special chemicals called weedicides or herbicides is a chemical method. Example: atrazine; 2, 4-D, fluchloralin; isoprotu..

In plants, breakdown of substances is much slower than in animals. Hence accumulation of waste is much slower and there are no special organs of excretio..

While modern day farmers specialize in one agricultural sector, either dairy or growing potatoes, their predecessors kept a wide array of farm animals and planted many different kinds of field crop..

Crops of a particular species are more prone to a particular type of pest (weed, insects, diseases) infestation. When different types of crops are grown together chances of pest infestations are reduced or diluted. Due to increasing needs and reducing available land resources, there is a need for ..

Permanent tissues are derived from meristematic tissues. They have lost the power of dividing, having attained their definite form and size. In their earlier stages the cells are more or less similar in structure but slowly they become specialized and form permanent tissues. They can be c..

Permanent Tissues - Permanent tissues are derived from meristematic tissues. They have lost the power of dividing, having attained their definite form and size. In their earlier stages the cells are more or less similar in structure but slowly they become specialized and form permanent ti..

This takes place in aquatic microorganisms such as bacteria, protozoans, diatoms, etc. Microphagous animals are sponges, corals, tadpoles, larvae of mosquitoes, etc. These animals have specialized structures for steering the water currents such as pseudopodia, cilia, flagella, etc. Param..