Calcium has twenty neutrons.
Answer:
The preferable statement will be - D.
D. They show a transitional form between fish and land-dwelling vertebrates.
Explanation:
From the given information we know that the fossil of that type of animal has scales, fins, gills, lungs, a full set of ribs, and limb bones.
This indicates some things such as,
- There is a high chance that the animal was capable of living in both land surface and water.
- Scales, fins, and gills indicate that they were like fish or water vertebrates.
- But lungs, a full set of ribs, and limb indicates that they are showing a transitional form between water and land-vertebrates.
Answer:
Intramembranous ossification begins with differentiation of mesenchymal cells.
Explanation:
Fibrous membranes are involved in the development of the bones. The process through which this occurs is termed as the intramembranous ossification.
The cells of the mesenchyma begin to split. These cells differentiate into specialized cells each performing different functions. The following bones are formed by the process of intramembranous ossification:
- mandible
- clavicle
- some bones of the skull
Answer:
Become Green
Explanation:The Organelles that are green will be destoryed causing the plant not to be able to become green
