Why is the phloem in a leaf important to the roots of a plant? a. it provides the roots with carbohydrates. b. it provides the roots with nutrients from the soil. c. it transports water to the leaves from the roots. d. it transports dead materials to the roots.

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales

The climate on the leeward side of a mountain differs from that on the windward side mostly in