What is released during each stage of fusion in a star's core? A) Energy B) Hydrogen C) Electrons D) Protons

Over many generations man has chosen certain desirable characteristics in dogs by allowing dogs possessing those characteristics to reproduce. In this way, 150 breeds of dogs, same species, have descended from wolves.

Which of these would you expect to have the least momentum?

Biological transmission differs from mechanical transmission in that biological transmission

Natural selection does not A. make species stronger over time B. select what a species needs C. cause changes in a population D. increase how often favorable traits are passed on

Why is bacteria and archaea not in the same kingdom

What role does fish have on india

Which of the following planets has the longest orbital period? a. Neptune c. Venus b. Jupiter d. Earth

What type macromolecule is used to make energy carbohydrates lipids proteins nucleic acids

A scientist at the polar ice cap was studying an ice sample from hundred of meters below the surface. While examining the ice, the scientist found some cells from many years ago.

An individual living entity is referred to as what A: Cell B: Organism C: Organ D: Tissue