Answer:
4
Explanation:
Because all the living things need carbon to make protein,carbohydrates,lipids
Answer:
C
new combinations means variations, and the more the variations there is of a species, the more diverse they are
Vaccine is preventing the infection.
Antiviral is a medicine taken after infection
Both plant and animal cells have membranes so whatever chemical reactions they have going inside the cell, it is regulated and maintained. Membranes help separate the internal environment from the external environment.
Hope this helps - I'm currently in cell biology so this question is interesting
Animals that use echolocation. Bats, whales, dolphins, a few birds like the nocturnal oilbird and some swiftlets, some shrews and the similar tenrec from Madagascar are all known to echolocate.
