<span>The human impact on biological diversity. How
species adapt to urban challenges sheds light on evolution and provides
clues about conservation</span>
Isotopes of an element all have the same chemical behavior, but the unstable isotopes undergo spontaneous decay during which they emit radiation and achieve a stable state. This property of radioisotopes is useful in food preservation, archaeological dating of artifacts and medical diagnosis and treatment.
They lay eggs because they don't have the genetics or things in their body to give birth.
It depends on what you’re learning, a possible answer is bias.
Answer: Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function.