Which of the following is an example of epithelial tissue?
a. bone
b. skin
c. fat
d. muscle

49 ! how are energy cycles and growth cycles related?

The united states uses which source of energy to produce almost 40 percent of its electricity

Which of the following observations darwin shape his concept of descent with modification? a) species diversity declines farther from the equator.b) fewer species live on islands than on the nearest continents.c) birds can be found on islands located farther from the mainland than the birdsê¹ maximum nonstop flightdistance.d) south american temperate plants are more similar to the tropical plants of south america than to thetemperate plants of europe.e) earthquakes reshape life by causing mass extinctions.