Answer: Eukaryota
Explanation:
All eukaryotes have a nucleus in their cells, archaea and bacteria don't contain a nucleus. Protista have a nucleus but are classified as eukaryotes.
Answer:
The heart is made up of heart muscle known as Cardiac muscle, or myocardium This contracts almost 70 times a minute and pumps about 5 liters of blood each minute.
Explanation:
To answer this question, let us define first what is a theory. Well, a theory is an idea or hypothesis that explained something. From the given choices, the answer is the letter "C" which is "Rocks break down over time". This is the answer since this is the only the statement that can be proven.
You are looking at tissue under a microscope. One cell shows half the amount of DNA of some of the other cells. This cell is most likely to be in the G1 phase where the cell has just divided.
Hope this answers the question. Have a nice day.
The eruption of Mt. St. Helens is considered to be one of the worst destructions that is ever recorded in the United States. The entire seemed to have become a barren and lifeless space however, there are still a few plants who survived from the hot rocks coming from the volcanoes. These plants are called willow, vine maple, and black cottonwood. These plants were considered survivors for they had managed to re-sprout from the slightly wet area after the eruption. They became the pioneering life in reconstructing and reforming the landscape of the area.