Explanation:
Classification of animal is done why?Give reason
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Viruses
Living characteristics of viruses include the ability to reproduce – but only in living host cells – and the ability to mutate.
Answer:
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1. V. cholerae is ingested via contaminated water
2 V. cholerae survives passes through the stomach and enters the intestine.
3.V.cholerae attaches via pili.
4 V. cholerae produces cholera toxin
5 The host cell are destroyed resulting in a profuse watery diarrhea
6 V.cholerae exits the host via the feces
Answer:
Unlike animal cells (such as cheek cells) the cell wall of an onion and other plants are made up of cellulose, which protects the cell and maintains its shape.
The population of frogs would exhibit competition due to the limited resources in the lake. Competition can be defined as the interaction among the species of organisms when resources are limited in an ecosystem. The type of competition observed in the above example of the lake with limited resources is called intraspecific competition as it is between the members of the same species competiting for the same resources. The species that do not compete will eventually die or get eliminated. This results in the change of population of frogs over time. Thus, competition is one among the forces that is responsible for natural selection.
