Answer:
Option (d).
Explanation:
Mutation may be defined as the sudden, heritable change in the nucleotide sequence of the organism. Mutation may occur due to the errors in DNA replication or may occurs due to the mutagens.
Joshua and Lederberg experiment explains that mutation is the non adaptive and random process that occur in the organism. He used the replica plating of E.coli and grows them on streptomycin drug. The bacteria was grown on the the primary plate and they are transferred to the secondary plate with streptomycin drug in the growth environment. The resistant strain of bacteria grows in the streptomycin environment.The pattern of bacteria growth on the plate explained that mutation occurs randomly and it is a non adaptive process.
Thus, the correct answer is option (d).
Answer:
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Explanation:
An organism is made up of four levels of organization: cells, tissues, organs, and organ systems. These levels reduce complex anatomical structures into groups; this organization makes the components easier to understand.
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Answer:
Wild Fires
Explanation:
Wild Fires are caused many factors including discarded cigarettes . These can be prevented when people stop to smoke in the forest and obey the fire protocols in the forest
Answer:
climate changes are actually due to the reason that the weather pattern of a neighbouring region and earthquakes are due to the water motion below earth surface
Explanation:
Melting and crystallization
Intrusive slow igneous fast
Limestone mudstone
It weathers
They need to be buried and cemented
Yes over time and through the cycle
Lava extreme heating
Granite
Basalt
Marble slate
