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.
Explanation:
Polynomial System of nomenclature was the older form of naming organisms before the advent of binomial system. In polynomial system, a generic name and specific name which consisted of many words were used. It was eventually found to be incompatible and hence was replaced by binomial system.
Answer:
Different types of microscopes use different sources for magnification, have different levels of magnification, and can help in visualizing an object in two dimensions or three dimensions.
Thus, if the same object is observed under different microscopes the differences we can observe is the resolution, magnification, and plane (2D or 3D) of the object.
For example, a compound microscope can magnify up to 500x whereas stereoscopic microscope can only magnify up to 50x.
Explanation:
K.E = 1/2mv²
1/2 x 7.26 x 7.5²= 204.19j
