A food chain describes how energy and nutrients move through an ecosystem.In the food chain, energy is transferred from one living organism through another in the form of food. There are primary producers, primary consumers, secondary consumers and decomposers- all part of the food chain.
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Hydrogen bonding is a weak type of bond that occurs between two hydrogen atoms that are covalenty bonded to a very electronegative atom such as flourine, oxygen and nitrogen
It's form was changed. The piece of paper now takes up more volume then before it was crumbled.
Rod shaped = bacilli
Purple =Gram positive
The bacteria is Lactobacillus