Carbon cycle contains an important stage called Carbon fixation. This stage - Carbon fixation changes carbon dioxide into organic compound
such as glucose. Which of the following organisms cannot fix carbon? *
1. grass
2. maple trees
3. algae
4. mushrooms

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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

How does an angiosperm prevent self pollination