Can someone help me with this question :) suggest a reason for stirring the yeast suspension at the start of the experiment

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

This is so important ugh its 25 points

Which organelle breaks down sugar molecules that supply energy to the cell ?