Reproduction is the phenomenon which involves the production of an offspring by particular individual or individuals to propagate their species.... View Article
Variations is the difference in the characters or traits among the individuals of a species sexual reproduction of organisms produces variation.... View Article
A variety of genes are responsible for the coat colour in dogs. At least 11 genes have been identified that influence the colour of coat in a... View Article
The wings of a butterfly and the wings of a bat cannot be considered homologous because though the function of wings in both the cases is same,... View Article
Ozone layer is the protection layer of earth from the harmful rays. It plays a vital role in protecting all the living and non-living organisms.... View Article
Anything can excess cause problems. Even if the waste are biodegradable, excess amount will end up by polluting our environment. This is... View Article
Non-biodegradable wastes are those who cannot be decomposed or dissolved by natural agents. Examples of non-biodegradable materials include... View Article
Progressive increase in the concentration of non-biodegradable substances in a food chain is called biological magnification. The level of these... View Article
Yes, the impact of removing all the organisms in a trophic level will be different for different trophic levels. Removing producers will... View Article
If we kill all the organisms in one trophic level then the food chain would end and ecological balance would be affected. If the herbivores are... View Article
Answer: All of the above Earth is our life. Protecting our earth from pollution or any other hazard is our duty. So pollution free environment is... View Article
The unwanted substance which can be the by product or used things is considered as waste. Mainly there are two types of wastes. Biodegradable and... View Article
Ozone (O3) is a molecule, made up of three atoms of oxygen. The ozone layer is a natural layer of gas in the upper atmosphere that protects... View Article
Substances are classified as biodegradable and non-biodegradable because some substances can be decomposed by microorganisms and some cannot.... View Article
The various links or steps in a food chain at which the transfer of food and energy takes place are called trophic levels. The producers form... View Article
Neurons are the fundamental unit of the nervous system. Neurons are also called as nerve cells. The main function of the neurons is to pass the... View Article
When a plant exhibits some growth movement in response to a stimulus, it is referred to as tropism. Tropism is specific to the direction of the... View Article
The transport system of organised plants consists of xylem and phloem. Xylem which has vessels and tracheids transports water and minerals... View Article
