Circle the letter of the phrase that best completes the sentence. 3. If the RuBP consumed in Step I was not regenerated in Step 4 of the Calvin cycle, then

a. CO2 would stop diffusing into the stroma.
b. the cycle would speed up because of an increase in CO2 molecules.
c. the plant cell would lack G3P molecules.
d. the plant cell would stop bonding carbon atoms from CO2 into organic compounds.

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

List charasteristics of athenosphere

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