Why do viruses need living hosts, such as bacteria or eukaryote cells? a) the host cell is the source of food for the virus. b) viruses depend on the host cells that they infect to reproduce. eliminate c) viruses lack cell structure and cannot survive without a host cell. d) viruses depend on a host cell because they lack their own dna or rna.

Clues to ecological principles are given in numerous passages of the bible. a bible study of ecology actually opens the doors to better understanding of god's love and concern for the earth. use a concordance to locate bible passages associated with words concerning our stewardship of the earth. you may use a dictionary to find synonyms for these words: dominion replenish subdue judgment stewardship find each of the passages using these words related to principles of ecology. list all passages by quote, book, chapter, and verse under each word. use your own interpretation to rewrite what you think each verse is saying. after your discussion of each of these words, ask one other person to explain his understanding of the word and a related verse without any hints. summarize what he tells you. a concluding paragraph for each of the words should be written noting similarities and differences between your interpretation and that of each person consulted.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

How can an organ, such as the lungs, work for multiple body systems?