Please help ASAP! Select the correct answer.
Which situation can be identified by a biodiversity study of an area?
A. A currently undetected invasive species will invade the ecosystem.
B. The decline of a shrub species is caused by an increase in an herbivore population.
C. A flood is likely to hit the area very soon.
D. The ecosystem will expand its geographical range in the next 50 years.
E. An animal species is experiencing altered reproductive function.

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

Explain the significance of the increased cell specialization of the volvocine line

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?