Answer:
a system
Explanation:
it's like how stomach , small intestine , large intestine together form digestive system and how trachea , lungs , alveoli for respiratory system and so on
Answer: The correct answer is -
D) in a host, it is capable of reproduction.
Explanation:
Virus can be described as a microscopic, infective, non living agent that typically possesses genetic material (DNA or RNA) that is surrounded by a proteinaceous coat (capsid).
It can not replicate by its own and thus it uses host machinery for replication. In other words, it multiplies within host organism. This is the reason that it can be called as living.
Thus, option D) is the right answer.
A baby animal knows what to do after birth just from natural instinct. Human babies do not get taught how to breath or cry, they know to do so because they would die otherwise.
Answer:
Gravitropism
Explanation:
Plants can respond to gravity, water, touch, and light in their environment. Plant parts can grow with or against gravity. This type of tropism is called gravitropism. Roots of a plant grow downward and exhibit positive gravitropism.
Answer:
A
Explanation:
Bacteria use binary fission but viruses don't