WGU Academy Biology Exam 2 Rated 100% Correct!!

Which statement about leaves is NOT correct? - The photosynthetic mesophyll is made up of an upper spongy layer and lower palisade layer. The layer that makes the Casparian strip water proof is made of - Suberin and lignin For water transport to occur there must be - A continuous column of water in xylem and tranpiration of water at the leaves. Which of the following is NOT true about the cohesion-tension model of water transport? - Water is transported in the phloem. Which of the following is NOT a fruit? - Onion Peas and beans are considered legumes. Why? - A legume is a fruit that splits along two sides when mature. What would be the outcome of applying ethylene to a bushel of oranges? - Ethylene stimulates cellulase, which will hydrolyze the cellulose in the plant cell walls. This will cause the fruit to ripen. Which plant hormone will act as an inhibitor of growth and maintains dormancy? - abscisic acid Plants could readily develop seasonal responses based on temperature changes, but have evolved their rhythms based on a comparison of daylight and darkness. Why has the day-night ration system been selected? - Temperatures fluctuate widely across seasons and from year to year, but photoperiod comparisons are a more reliable indicator of season. You are examining a seed with tiny white plumes attached to it. How is this type of seed most likely dispersed? - By