Which is NOT something that might be proven by trace evidence?

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

The transport tubes for food coming down the plants are called?

According to this food web which of the following would be considered primary consumers