The function of the central cell that is fertilized by a sperm to a triploid state is: Secondary zygote Act as a companion cell to the developing phloem Direct the sperm to the egg Develop into a nutrient storage for the embryo All of the above

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

Why are some places regularly warmer or cooler than others in a given month

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.