Hydrangeas are flowers that can produce either pink flowers or blue flowers. your neighbor thinks that the color of the flowers are determined by the type of soil in which the hydrangeas are grown. your friend thinks the color is determined by the plants alleles. how could you perform an experiment to prove which hypothesis best explains how the flower color of hydrangeas is determined.

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

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?