Two species of pine tree are very similar to each other. The pine trees are very different from a species of palm tree. Which statement best describes the characteristics of these trees? All of the tree species have the same number of characteristics in common. The two species of pine trees have fewer characteristics in common than the pine trees and the palm trees. The two species of pine trees have more characteristics in common than the pine trees and the palm trees. None of the tree species have any characteristics in common.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.