Answer:
1 is A 2 is D 3 is B 4 is C
Explanation:
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Answer:
An ecosystem consists of a community of organisms together with their physical environment. In ecosystems, both matter and energy are conserved. Energy flows through the system usually from light to heat while matter is recycled.
Explanation:
Mitosis
Advantages: It enables your cells to multiply quickly and produce sister chromosomes.
Disadvantages: There is little genetic variation, each generation faces the same diseases.
Meiosis:
Advantages: The crossing over of genes during meiosis results in individual variety, which is beneficial to the population's survival.
Disadvantages: It requires the use of two gametes.
