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Arthropoda is the largest phylum of the animal kingdom. Harmful insects are known as pest.

Animal which feed on secondary consumers are called tertiary consumers. For example- frog, tortoise, stork, man, etc. Some of these animals take food from more than one food level (trophic level). They are called omnibores. When we take pulse, rice, potato, etc. we are primary consumers or herbivore. But when we eat fish and meat, … Read more

Those which live on eating primary consumers. For example frog, bird, man, etc. They are also called carnivores.

All animals which consume plants or parts are known as primary consumers. They are also called herbivores. From minute insect to many large animals are included in the the group of herbivores. For example – cow, goats, etc.

The animals which live on eating organic matters obtained from plants or on other animals are known as consumers.

The green plants can produce food hence called prroducers of the ecosystem. The manufacture carbohydrate food in presence of sunlight by the process of photosynthesis. All the animals of an ecosystem are directly or indirectly dependent on this food.

Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence.

They do, it is just that the strong nuclear force, a force different from the electromagnetic force you are referencing, is much stronger and overwhelms the repulsion. It only acts when things are very close, as the internal distances of the nuclei of an atom, but it is incredibly strong. The electromagnetic force acts over … Read more