An increase in the number of phytoplankton in an aquatic ecosystem is always beneficial. Please select the best answer from the choices provided T F

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection