Answer:
D
Explanation:
bird eggs don't need additional moisture that some reptiles absorb with their eggshells
Answer:
Cytoplasm is the internal medium for cell transport. it contains the proteins and fluid needed for transport. by changing the conditions of the protein and the fluid content the transport is regulated.
Explanation:
Electron microscopes<span> have a range of </span>disadvantages<span> as well: They are extremely expensive. Sample preparation is often much more elaborate. It is often necessary to coat the specimen with a very thin layer of metal (such as gold).</span>