Answer:
Sample size is 50
Explanation:
The sample size simply refers to the number of samples in our dataset
In this question, we are dealing with a total of 50 students
So what this mean is that the number if samples which is our sample size is the number 50
Answer:
a baby body has about 300 bones at birth
Answer:
C. They pollinate the flowers that only open at night.
Explanation:
A niche is the functional role an organism performs in the ecosystem. Simply, the question is asking for the role of nocturnal animals as pollinators.
- A pollinator is any organism the helps plants to transfer pollen grain from the anther of one flower to the stigma of another.
- This way, fertilization and crossing of genetic materials is achieved.
Nocturnal animals are animals that are very active at night. This is an evolutionary advantage for them because there is less danger at this point of the day.
Therefore, some nocturnal animals can help to pollinate flowers that only open at night.
Phospholipids are the outermost layers of animal cells. Its structure is composed of fatty acid chains that are attached to a glycerol backbone, and a phosphate group that is modified by an alcohol.
The polar end of the phospholipid plasma membrane is hydrophilic (water-loving or can absorb water) and is a negatively charged phosphate group. In the cell they are facing outward, attracting intracellular and extracellular fluid.
The non-polar tails of the phospholipid are fatty acid chains that are hydrophobic (water-fearing or unable to absorb water). The tails are facing the inside of the cell away from water towards the inner membrane of the cell.
It’s important there’s molecules that could do so for keeping homeostasis, food movement, keeping the cell isotonic with movement of water, glucose to go into cell to not let it starve and waste to escape and not build up in cell
