Plankton they are the base for marine life
Answer:
A)selective permeability
Explanation:
it allows for it to choose ,small particles easily enter and leave the cell unlike large particles
Answer:
e. The animal was endothermic and had a high metabolic rate
Answer:
About 100 times more than other planets.
Explanation:
The Sun would be about 100 times bigger than the earth planet in the scaled-down model of the solar system because in the reality the size of sun is 109 times more than the earth so making a model more perfect and nearer to reality we have to maintain the diameter of the sun more than 100 times than the earth and other planets.