Slides are held in place on a microscope with stage clips
Answer:
The number of chloroplasts per cell varies from one, in unicellular algae, up to 100 in plants like Arabidopsis and wheat.
Lysosomes are <span>tiny spherical membranes with an enclosed sac that contains hydrolytic enzymes that can digest foreign material. </span>
Mutualism is when both sides benefit. The hummingbird gets nectar and the flower is benefited because the hummingbird that has been to other flowers carry pollen on its body which spread the flower when it sucks its nectar, therefore pollinating the flower in the process.