Answer:
C. Yes, the results of his experiment were probably inaccurate the
first time.
The keystone species is the one at the bottom of the pyramid, if we look at it like a pyramid. If the grass dies, then the deer cannot get food and die, and the predator cannot eat and dies, and the whole ecosystem can fall apart.
Enzymes speed up the chemicaal reaction .
Herbaceous mano it has vascular bundles arranged in a ring around the pit and herbaceous dicot stems has a vascular cambium between xylem and phloem
The answer would only betertiary consumer
