An interconnected group of food chains is a food web. Food webs are very important because if any 1 organism dies out, it affects all the rest of the organisms.
food web
A food web
If by "ecosystem" you mean foodchain, then yes. Berries could start a foodchain, therefore are producers.
diversity of microorganism in nature very important because it is useful to study of different diseases habitate foodchain
That answer above did not really answer the question at all. The reason that the largest animals eat the smallest is due to energy lost with each level up the foodchain. As you go each level up on the foodchain approximately 10% of energy is lost as heat. Only a small portion of energy is conserved as biomass. Thus in order for a large animal to get enough energy it would need a very large supply of its food source which is most readily available in the form of small animals at the bottom of the foodchain such as krill.
Weaving is a method of textile production and it involves interlinking a set of vertical threads with a set of horizontal threads. It can be traced back to Neolithic times about 12,000 years ago.
A human is the lowest thing on the foodchain. Then would come deer, birds, cats, geese and other plant eaters herbivores.
Other than rabbits? Moles dig interlinking runs, mice & voles will dig underground
A foodchain shows the feeding relationships of organisms from successive trophic levels.
If by "ecosystem" you mean foodchain, then yes. Berries could start a foodchain, therefore are producers.
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That thing eats Humans.
A foodchain.
The bottom of the chain
The bottom, since they are herbivores.
diversity of microorganism in nature very important because it is useful to study of different diseases habitate foodchain