Explain how a hormone may cause its effect on plant growth and development.

Which of the following statements best describes homeostasis

The greater an ecosystem's the more likely it is that some organisms could survive catastrophic environmental changes. a. species diversity b. producer population c. water availability d. carrying capacity

Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?