Both the spleen and the lymph nodes aid in protecting the body. in what way do they differ?
the spleen filters blood, and lymph nodes filter lymph.
the spleen is an organ, and lymph nodes are a type of tissue.
the spleen stores blood, and lymph nodes store fat.
the spleen breaks down white blood cells, and lymph breaks down red blood cells.

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.