Search over 10,000 free study notes

Plant and bacterial cells have a cell wall made of different material. Plant cell walls are primarily made of cellulose whereas bacterial cell walls are made of peptidoglycan. Animal cells lack cell walls...

A tissue.

• Leaves are broad with a large surface area so that they are exposed to more light and can maximize light absorption. - They are thin and flat so that carbon dioxide has a shorter distance to diffuse...

An acceptable answer would include any of these: - Nervous and hormonal systems carry signals to skin, liver and muscles. - Erector muscles relax and hairs lie flat to reduce insulation. - You sweat a lot...

Phloem vessels are made of living cells, whereas xylem cells are dead.Xylem vessels are lined with lignin and have no end walls, whereas phloem have perforated end walls. Xylem transport water in a singl...