i guess vascular
are u having test on google class room
Answer:
C) the absence of scales on its surface
Explanation:
Snakes bodies are covered with scales. The scales are waterproof and helps for griping on rough branches and movement
Passive transport does not require energy input. An example of passive transport is diffusion, the movement of molecules from an area of high concentration to an area of low concentration. Carrier proteins and channel proteins are involved in facilitated diffusion.
Answer: One way to analyze the results of an experiment by looking at the chemical and physical changes. Signs of a chemical change are bubbles or production of an odor. Signs of a physical change are change in color, shape, or size.