What are the reactants of cellular respiration?
a) atp and water
b) sugar and oxygen
c) nadph and hydrogen
d) carbon dioxide and water

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.