Answer:
THE ANSWER WILL BE /D /BECUSE I AM SMART YOYOYOT
<span>Parent cell gives rise to all the formed elements of the blood that too in seven different types from a single parent cell. The process of generating the formed elements is called as hemopoiesis. Parent cells are part of Pluripotent Stem Cells.</span>
Answer:
number B i think
Explanation:
The competitive exclusion principle tells us that two species can't have exactly the same niche in a habitat and stably coexist. That's because species with identical niches also have identical needs, which means they would compete for precisely the same resources
Answer: it is also known as blue- green algae .
<h3>
Explanation: These microbes conduct photosynthesis : using sunshine , water and carbon dioxide to produce carbohydrates and , yes , oxygen ...... ''what it looks like is that oxygen was first produced somewhere around 2.7 billion to 2.8 billion years ago . </h3>
Answer and explanation;
-Some form of skepticism is essential to the scientific method. Ideally, researchers would form hypothesis based on a-prior theories or previous empirical evidence and use formal methods to test them.
-Skepticism can be defined as the attitude of subjecting claims to increasingly difficult tests before accepting them.
-Scientists are 'pretty confident' that life evolves on Earth according to the forces of natural selection because every single test they have made is consistent with this process. They do not 'know' that this is true but they are extremely confident.
