The coral reef ecosystem is full of interactions among organisms. Large fish called barracuda feed on smaller fish called parrot fish. The parrot fish feed on algae. Which of these living things would be responsible for releasing oxygen from the process of photosynthesis?

All eukaryotic cells contain small bodies called

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because