Hey there!!
The answer to your question:
The niche of an organism is the functional role that it plays within an ecosystem.
Answer:
The correct answer is <u><em>B. Cell Wall</em></u>
Explanation:
A <u><em>cell wall</em></u> is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides as well. The cell wall provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell.
Answer:
The two ways are as metabolic waste that is product of respiration and --by living organism
Also
As a result of burning of either material or substance let's say from engine--non living matter
Answer:
Oxygen liberated during photosynthesis comes from the splitting or hydrolysis of water in the green plants. Cornelius van Niel experimentally proved for the first time that the oxygen liberated during photosynthesis comes from water and not from carbon dioxide.
Answer:
The cranium
Explanation:
The cranium is the upper part of the skull that is made up of eight bones that do not move, which serves as protection for the delicate brain structure in humans. The cranium bones are named according to the area of the brain they serve as protection to these are: the sphenoid bone, the ethmoid bone, the occipital bone, the two temporal bones, the frontal bone, and the two parietal bones, making eight in number.
The occipital bone protects the occipital lobe; the parietal bones protects the parietal lobe of the brain; and the frontal bone protects the frontal lobe of the brain.
