The movement in phloem is bidirectional, whereas, in xylem cells, it is unidirectional (upward).
One advantage of asexual reproduction is that animals can <span>increase their numbers rapidly. The other options in the question are incorrect and so avoided. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has helped you.</span>
The vestibulocochlear nerve mediates hearing and balance. Hearing can be assessed with a 512-Hz tuning fork. The Rinne and Weber tests are commonly used to assess for sensorineural and conductive deafness.
Mammals are adapted to live in land, air, and water, so the answer is D, all of the above.
Answer:
It speeds up the reaction rate
Explanation:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.