A population is a group of individuals of the same species that has the potential to interbreed.
- A population is described as a collection of people who belong to the same species and cohabit a particular area.
- A population is a subgroup of individuals belonging to a single species that coexists sexually and occupies a specific geographic area.
- For certain species, it is simple to determine the geographic limits of a population; for other species, it might be more challenging.
- For instance, the geographic range of plants or animals living on islands is determined by the island's border.
- On the other hand, other species are spread over very large areas, making it more challenging to define the borders of small populations.
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Answer:
It was difficult for him to understand how the heart worked because he wasn't fully aware of the pumping mechanism of the heart and how the circulation of blood goes inside the body. Not seeing the capillaries meant that the heart pumped blood towards the vessels and into a dead end. He couldn't understand where the blood that was being pumped goes to.
Explanation:
Leonardo da Vinci is considered one of the earliest persons to study the heart. Although he made an exceptional observation of the different parts of the heart, <em>he couldn't track the capillaries</em>. <em><u>He didn't know that these </u></em><em><u>tiny structures</u></em><em><u> connected the </u></em><em><u>arteries</u></em><em><u> and the </u></em><em><u>veins.</u></em> He believed that the heart was meant to<em> transfer heat from the liver going to the muscles. </em>He also believed that<em> the lungs helped cool the blood.</em>
<span>The substance that aids in the transport of glucose from outside of the cell to inside of the cell are the protein. The answer is letter C. There is a thing called channel protein that allows the transport of specific substance across the cell membrane. </span>