BIO 191 UNLV Exam 2 2025

BIO 191 UNLV Exam 2 2025 What are the major nutrients that plants must take in for growth? - answer-carbon dioxide, nitrogen, water, potassium What are functions of water in plants? - answer-transport of solutes, source of hydrogen for photosynthesis Green plants extract __ energy from the sun, while animals extracts __ energy from organic compounds. - answer-light energy, chemical energy Flowering plants can be heterotrophic. True or False - answer-True This compound, which is required for photosynthesis, enters most plants through their stomata. - answer-CO2 Why is carbon considered to be an essential plant nutrient?. - answer-It is taken up by growing plants, and the carbon is a component of all organic molecules in the plant. Which nutrient is the source of most of the hydrogen atoms and some of the oxygen atoms in organic compounds? - answer-water In plants chemical energy for metabolism comes from organic molecules that are - answer synthesized using light energy On a walk through a forest, you come across a small, white plant you recall as Indian Pipe. Since it is white you determine that it has no chlorophyll. How does it obtain energy? - answer-From organic compounds obtained from other organisms. Carbon dioxide enters plants through pores in their leaves called - answer-stomata