Question 4 (1 point)
in an ecological pyramid, the biomass of organisms increases at each successive level.

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

Long term exposure to waves can cause sunburns and skin cancer.

No plagiarizing ! 6th grade work! easy and 100 compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.