Viruses are not always classified as living cells because they cannot live independently. They rely on a host to provide all resources to live, without a host they are in a dormant, near dead like state. Therefore it has to define a virus as dead or alive as it may or may not have a host.
Answer:
Plural form of ovary is ovaries.
The abbreviation that represents as desired is ad lib
<span>A large complement of decomposers rapidly turns dead plant and animal matter into nutrients that are quickly taken up by plants.
Also, some animals live on eating plants, other animals eat those that live on plants, and animals that live on eating other animals die to make nutrients that are eaten by plants; this also, is called an ecological food chain.</span>
