Thousands of years ago, the jaws and teeth of jaguars were more varied in size than they are
today. during a period of climate change about 11,000 years ago, jaguars faced a shortage of food.
there were fewer mammals to eat, so the jaguars had to eat shelled reptiles. the jaguars with the
largest jaws and teeth could most easily eat the shelled reptiles. which of the following statements
best explain why large jaws and teeth are common characteristics in jaguars today?

Scientific thinking: what clues about biology might road kill provide?

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

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