Frogs live in pools of water collected by flowers in the top of rainforest canopies. The flowers consume the frog wastes. Which type of relationship is
this?
A. Microorganism
B. Parasitism
C. Commensalism
D. Mutualism

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases