Which activity supplies the force that main rains blood pressure in the human circulatory system? A. Blood passing through the lungs
B. Blood flowing out to the capillaries
C. The kidneys filtering waste from blood
D. The heart pumping blood through vessels

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.

Explain in your own words what caused pangea to separate and why we don't worry about earthquakes in florida.

Availability of food: a. is dependent upon kin selection. b. can be highly variable, depending on season and rainfall. c. is determined by the alpha male only. d. is restricted to individuals in the dominant hierarchy.