Solar energy is used to produce energy-rich compounds in structure

The energy which is obtained by the sun is called solar energy.

Explanation:

Plant the is only living species in this living world that can harvest the solar energy into energy rich compounds.

Plants have chloroplast which absorbs the sunlight and converts it into chemical energy. It helps to reduce the carbon dioxide into the carbohydrates ( glucose). This process is called photosynthesis.

Plants form energy-rich compounds in form of fruit and vegetables.

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parasites can detrimentally affect their host, but also must not allow their host to die before they can complete their life cycle. some parasites have complex life cycles with many different hosts, and have had to find ways of persisting in many different environments during the change from one host to another. ectoparasites live outside the body of the host, and can more easily  disperse, but are  more exposed to predators, parasites, parasitoids. endoparasites live inside the body of the host, and are therefore protected from the outside environment. but they can be  attacked by the host's immune system. they have therefore developed  mechanisms for dispersal such as  complex life cycles.

your spelling is a little off : ]