C. Medusa. Everything else on the list is a part of another creature, medusa is the only cnidarian here!
Proxima Centauri is the nearest star to Earth.
Answer: A. The enteric nervous system will slow down digestion to conserve energy.
Explanation:
The most specific classification of organism is D species. it is considered the basic unit of biological classification or a taxonomic rank. It might bee also define as the largest group of organisms . there could be found classical forms, fixed species and species that could change.
Answer:
<em>The correct option is A) Travis's mother, who lives with him</em>
Explanation:
We all know that humans reproduce sexually. The zygote formed consists half of the chromosomes or genome from the mother and half from the father. Hence, the sex cells undergo meiosis so that the chromosome number could be reduced to half in the sex cells.
However, the mitochondria present in a cell have their own DNA and instead of both parents being transferring this DNA, the mitochondrial DNA is just transferred by the mother to the offsprings. Hence, the mitochondrial DNA of mother and child will be the same.