Im pretty sure it’s carbon but it may also be oxygen depending on which living things they’re referring to
Answer:
Endocytosis
Explanation:
Some molecules that are required by a cell are so large that they cannot pass into a cell by either the cell membrane or by any carrier protein. These molecules are transported into the cell by the process named as endocytosis.
In this process, the cell membrane forms a vesicle, a membrane-bound sac, around the large molecule. Then, the vesicle pinches the molecule into the cytoplasm of the cell. Energy is required for this process to occur.
I believe the answer is 20 feet. According to McBurney and Collings, the average threshold of human hearing is the tick of a watch from 20 feet in very quiet condition.
The human hearing range is a description of the pitches and loudness levels a person can hear before feeling discomfort. There is a variety of sounds in our environment, ranging from faint sounds like birdsong and rustling leaves to louder sounds like music, yelling, and industrial noise.
Genetic variation is when there are many offspring with different genetics, therefore some offspring might be able to adapt due to its genetics
