Answer:
Scaly because it was reptiles that adapted first, and also evolved into many land animals!
Explanation:
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Here is the answer. The reason why gram positive bacteria and cyanobacteria are classified together because both are considered as prokaryotes and both are aquatic and photosynthetic, meaning they both <span>live in water and make their own food. Hope this answers your question.</span>
Answer:
The thin external covering is similar to the Cell Membrane. The organelle with a texture like sandpaper is the rough endoplasmic reticulum (ER)
Cells, because they are the simplest form of structure and function in living things.