Members of porifera are diploblastic. which statement clarifies this? a. they are unsegmented. b. they have a true body cavity. c. they have two germ layers.

Which could be a pathway of food through an ecosystem

The pie chart tracks the percentage of renewable energy that's being used in a particular community near the ocean. what are two advantages of using this type of graph for this particular data set?

Ruby is conducting an investigation. an advantage of her design is that she can use a large range of variables, with that she can not be sure that one variable is the cause of another. what kind of investigation is ruby most likely conducting?