The answer for the above question is Mutation.
Mutations are random spontaneous changes that occur suddenly in the DNA. A single mutation can have a large effect, however in may cases evolutionary changes are based on the accumulation of many mutations. The gene flow is any movement of genes from one generation to another and is an important source of mutation
Answer:
The three different views show different level of magnification.
Explanation:
At the first level the structure of plant cell is not clear however upon more magification the view is clarified and the upper epidermis and the lower epidermis are both visible in the third view which is the most magnified. The parts of leaf cell are visible the most evident of them is the epidermis which protects the outside of the cell and also Palisade Mesophyll is visible which helps in photosynthesis.
<span>The complete statement is this: 'An increase in food and a decrease in predators would most likely increase genetic variation in a population. An increase in available food is an environmental factor which brings about genetic variation in the population of a specie.</span><span />
Answer:
Explanation:
Carbon can be continuously cycled, but energy cannot
Carbon in the feces of a top predator can be decomposed and used by primary producers in the form of CO2; the energy in the feces is used by the decomposers and is released as heat.
C is correct rock layers and fossils (:
