Agroup of tissues working together is a. an organ b. a cell c. a compound d. an organelle

Photosynthesis converts solar energy into what type of energy?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z