Each statement explains a cause that would prevent a plant not to bear seed in its life cycle except:

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Electrochemical cells provide energy by allowing electrons to flow through an external circuit to electrodes contained in an electrolyte