4.use of images from space
Answer: They help control what enters and leaves the cell.
Explanation: carbohydrates also help the immune system identify if the cell is foreign or not.
<span>Four types of passive transport. Diffusion, Osmosis, Facilitated Diffusion, Filtration.</span>
The answer is A. The <span>eggs do not have a shell to prevent water loss.
Toad's eggs do not have a shell, like reptile eggs or bird eggs. Shell is important because it protects eggs from drying out if they are laid in the land. </span><span>Toads lay eggs in a jelly-like glycoprotein. </span><span>Thanks to glycoprotein around toad's eggs, contact with water is maintained all the time so that eggs don't die. </span>
