Cyanobacteria that can perform nitrogen fixation: a. do so on membranes called thylakoids b. cannot also perform aerobic photosynthesis c. are part of the community of organisms at deep-sea vents d. provide both fixed nitrogen and fixed carbon dioxide to other organisms e. use this metabolic pathway to provide themselves with glucose

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america