If pep carboxylase is a more efficient c fixing enzyme than rubisco, why hasn't it replaced rubisco? permalink reply.

In which specialized organ of the plant would these cells most likely be found

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid