Answer:
Involve changes in one or few nucleotides/ bases
Explanation:
Point mutations most commonly involve the substitution of one base for another (which changes the complementary base as well in DNA). The term point mutationt also includes insertions or deletions of a single base pair.
A trait that evolved and was selected by natural selection for its current function is known as an adaptation. Any hereditary traits that improve an organism's likelihood of survival benefit from adaptations. Option C is the appropriate response in this case.
In order to survive in their environment and function better under the conditions there, plants and animals have modified their physical characteristics or behaviours. The strongest and most advantageous traits or adaptations are handed on to the following generation, ensuring the survival of the plants or animals. Examples of adaptations include a camel's capacity for water storage, polar bears' use of their white fur to blend into the ice, and chameleons' capacity to change colour to evade predators. The process of change that occurs to animal and plant species over a long period of time, or how plant and animal species have evolved from one another, is known as evolution.
Therefore, we can conclude that adaptations aid any hereditary traits that improve an organism's chances of survival.
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1.
a- prokaryote
b- eukaryote
c- prokaryote
d- prokaryote
e- eukaryote
2. d
The correct answer is - D. Volcanic mountains form on land but not on the ocean floor.
The volcanic mountains are a result of the volcanic activity. They appear at places where there's a plate boundary, most often in the places where there's a subduction zone.
These mountains can only form on the land or above the surface of the water, but not on the ocean floor. The reason why they can not form on the ocean floor is because the magma is cooling down almost instantly, and it is pretty much impossible for a volcanic mountain to form. On the other hand, they can be found totally submerged in water, but those are volcanic mountains that have formed on land, got eroded, and sunk bellow the water.
