Is this not about a human? We only have one aortic arch
Both are under the phylum annelida
Polychaeta are more numerous than oligochaeta
Example of polychaeta is sand worm
While oligochaeta is earth worm
Both are free living organisms
Answer:
Observers ahead of the wave observe an apparent increase in wave frequency
Explanation:
This is the Doppler Effect. The frequency of a wave increases when the source approaches the observer and decreases as the source recedes.
B, C, and D are wrong. Observers behind the source notice a decrease in frequency.
Answer:
Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.
Explanation:
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