Select all that apply. Fertilization . is necessary for sexual reproduction
results in a new cell with half the chromosomes of a gamete
is the union of an egg and sperm cell
can occur inside or outside the body
combines the chromosomes from two gametes

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next