Look at the plant. Write three ways you could classify it.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm