Why do ecosystems require continuous input of enery from the sun and what is the process that converts the sun energy chemical energy?

Which of the following is the most likely result of converting forestland to urban development? a.the amount of land available for lumber production decreases. b.fewer trees are needed because cities are made mainly of concrete. c.people discover more efficient ways to grow trees. d. the price of lumber goes down.

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

What causes the phospholipids to organize themselves the way they do