Picoplankton may account for up to 80% of all the photosynthetic activity in some parts of the open ocean. a. True
b. False

What is the relation ship between structure and function in an organism

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?