Answer:the phloem transports food and nutrient
Explanation:
In ecology, allogenic succession is mediated by the abiotic components of the ecosystem, while the autogenic succession refers to the succession, which is mediated by the biotic components of an ecosystem.
A volcanic eruption wiping out an entire island is an example of allogenic succession.
A soybean crop helping in nitrogen fixation, leading to the development of other species is an illustration of autogenic succession.
A tsunami devastating all the living organism in a habitat is an example of allogenic succession.
Oak trees preventing the growth of smaller sun-seeking shrubs is an example of autogenic succession.
Answer:
plant produces oxygen that is option a
Duyen has Hepatitis B. Hepatitis B contaminates in excess of 300 million individuals worldwide and is a typical reason for a liver ailment and liver tumor. HBV, an individual from the Hepadnaviridae family, is a little DNA infection with uncommon highlights like retroviruses.
At the point when the viral DNA polymerase is utilized to interpret RNA to DNA, it is going about as a switch transcriptase like that found in retroviruses. Actually, Hepatitis B infection's DNA polymerase and retroviral turn around transcriptase are fundamentally the same as and may have developed from a typical progenitor.
