Option D
New crops may require larger amounts of water than the previous ones.
The daughter cells go inside of the metaphase
Plant hormones can have different effects at different concentrations. This explains how
auxin can stimulate cell elongation in apical meristems, yet will inhibit the growth of axillary buds
A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment. So it’s the last one.
Answer:
Ecosystem engineers are species that modify their environment in a significant manner, creating new habitats or modifying existing ones to suit their needs.