Twenty leaves from plant A were taped to paper and photocopied on to 80 gsm paper. The shapes were cut out and weighed on a digital balance. The total weight of shapes was 3.21 grams. Calculate the surface area of the leaves.

Twind is considered to be an abiotic factor because it.?

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b. organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.