<span>A
big variety of organisms’ genomes have genes that control the organisms’ development
at different stages. The remains of ancestral traits usually appear at
different stages of the embryological development. For example, hair growth and
loss, the development and deformation of the yolk sac or appearance and
disappearance of gill structures in the embryo development of vertebrates.</span>
Answer:
B. Early Eukaryotic cells engulfed mitochondria and chloroplasts
Explanation:
Mitochondria and Chloroplast are organelle that are found in cells of higher animals. Chloroplast are found almost exclusively in plants and mitochondria is found in animal cells. The function of these organelles are to produce energy to the cells, and by extension, the organism that they live in.
Unique features of these organelles show that they have their own DNA and divide and multiply on their own. This strongly suggest that they were once free living prokaryotes and were engulfed by larger cells and a symbiotic relationship began.
As time progressed, these prokaryotes did not require all of their genetic information and this was removed from their system. They kept essential genes and regulatory bodies separate that they needed for their maintenance and function that they provide.
Answer:
DNA
Explanation:
you can tell if the DNA is within the nucleus in the cell then it is eukaryotic but if the DNA is free floating in the cell then it's prokaryotic
322.15
49°C + 273.15= 322.15K
I think the answer would be protons
