Some advances is that organelles, cells, and the difference between the cells of a plant and a cell of an animal. This was an advance because not only did we discover new things but we learned how or body functions with them and how they work. Hopefully you got what you were looking for. :)
Answer: D
Explanation: Sorry for no explanation
The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.
Answer:
Hello There!!
Explanation:
The answer is that it has three characteristics that they share which includes a notochord, a nerve cord(runs down their back), and lastly the slits in their throat area.
hope this helps,have a great day!!
~Pinky~
Answer:
microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants). More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle.