Nearly all of the plant tissue called is made up of cell walls. (fill in the blank)

During the process of meiosis, special cells called gametes are formed. gametes only have half the number of chromosomes that the other cells in the body have. what form of reproduction do organisms that produce gametes use?

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the