Answer - D. Were in Search for food to eat.
Reasoning - As ice age and resistant of water became changing in ponds and lake the resource of food started to deplete so evolution became a evolving for creatures aka reptiles.
Well I do know the answer to question #5 is temperature
Answer:
To make ATP through cellular respiration.
To make cell wall.
Explanation:
Liters/cl/ml/dl for liquids and cubic meters/cm/mm/km for solids