Please help Biology questions?

In which biome do the evaporation rates exceed the precipitation rates?


a)desert


b)tropical jungle


c)grassland


d)hardwood forest





important difference between viruses and living cells is that viruses


a)cannot reproduce


b)contain more nuclei than cells


c)cannot mutae but cells can


d)need an energy source but cells do not





discovery that chromosones are invoved in inheritance was made possible by the invention of the


a)microgram


b)microscope


c)computer


d)mercury thermometer





which of these is the greatest limiting factor for plants that grow on the floor of a rain forest?


a)water


b)sunlight


c)space


d)herbivores





blood is considered a tissue because blood


a)flows inside arteries and veins


b)necessary to carry oxygen and nutrients to the cells


c)is pumped from the heart and is carried to the cells through arteries


d)composed of red and white blood cells working together and having specific functions

Please help Biology questions?
A


A


B


D