Which color and wavelength of light does chlorophyll b absorb best? a. About 640 nm and yellowish- orange
b. About 420 nm and purplish-blue
c. About 450 nm and blue
d. About 660 nm and orangish-red

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Which characteristics are typical of a human population in the postindustrial stage?