Can someone help solve this please​

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

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

According to this food web which of the following would be considered primary consumers