In the modern classification system, organisms are classified based on evolutionary relationships. The illustration below shows how several groups of organisms are classified.

Among the living species, which two organisms are most closely related?

A- A and G

B- C and F

C- B and G

D- E and F

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important