Which of the following are functions of stems in a typical plant? choose three correct answers,
a
hold leaves up to the sun
b
conduct photosynthesis
c
gather water and nutrients from the soil
d. produce leaves and flowers
e
transport water and nutrients

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?