Answer:
The parietal bone has not articulated with zygomatic bone.
Explanation:
Parietal bones are paired structure that form the roof and side of the cranium.
The parietal bones are articulated with each other and form suture.
It articulates occipital bone posteriorly,and anteriorly with the frontal bone which form a suture called as coronal suture.
Inferiorly the parietal bone is articulated with sphenoid and temporal bone.
Zygomatic bone is irregular shaped and paired structure that articulates with maxilla.temporal bone, sphenoid bone,frontal bone.
Peremeability ,<span>Water can pass freely through the cell membrane.</span>
Oxygen is an abiotic factor that is beneficial by-product of primary production.
<u>Explanation:</u>
The non living parts of an ecosystem that mainly affects the living organisms in it are called as an abiotic factor. These can include soil, temperature, water, oxygen and sunlight. The major energy source in earth is Oxygen which is abiotic factor.
It is very essential for the photosynthesis process to take place. Here, the plants converts water and carbon dioxide into oxygen and sugar. This becomes food for plants. Then these plants are eaten by animals. Thus oxygen is an important and beneficial by-product of photosynthesis. Oxygen is also very important for the survival of human beings.
