Answer:
The process by which plants make food through sunlight is called photosynthesis...
Answer:
c. environmental effects.
Explanation:
Based on the information provided within the question it can be said that this scenario is a perfect example of environmental effects. This term refers to the effect that external factors or conditions have on something. Which in this case since the flower color depends on the external conditions (aluminum in soil) then it is an example of environmental effects on the flowers gene expression.
Answer:
The community should invest in the production of biomass energy as an alternative source of energy, given the large surplus of waste corn.
Explanation:
When a community has a considerable amount of organic waste, the combustion of such wastes can be used for energy production, which is considered to be obtaining energy by biomass.
For a community with this characteristics, biomass becomes the best option for alternative energy, whereas waste is being used -which is an adequate disposal of solid waste- in addition to the fact that the production of pollutants is lower, compared to the use of fossil fuels.
Other sources of alternative energy are not possible because:
- The climatic conditions -frequent rains- do not allow to take advantage of solar energy.
- The low wind speed is not useful for wind power.
- The low flow of the rivers makes the installation of hydroelectric plants impossible.
For this community it is a fact that the best alternative energy option is to use waste corn as fuel.
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Answer:
B. Viruses must commandeer the mechanisms of a host cell in order to reproduce
Explanation:
Virus is an organism that is incapable of replicating on its own without infecting a living host cell. A viral cell is dependent on a living host to replicate and express its genes. Hence, the infection cycle of a virus is its reproductive life cycle.
Other living organisms e.g plant, bacteria, fungi etc. have the ability to reproduce i.e. multiply on their own through asexual or sexual means. However, on the contrary, a virus must infect a living host, hijack the replicational abilities of the host cell in order to reproduce. Based on this, a virus employs a lysogenic or lytic cycle or both on its host to reproduce.
