The removal of an organism from a food web will always have consequences on other organisms, due to the interrelated nature of a food web. what would most likely happen if we removed organism 7 from this food chain?

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?