Answer:
The answer is C)
Explanation:
The predators were unable to keep the population of the mussels down. The mussels took more area of the rock. Other species that needed space did not return to the tidal pool. Otters can also be keystone species as they eat urchins. By doing so, they prevent the sea urchins form eating all the kelp plants and removing the entire habitat for many other species. The Keystone Species theory shows that this impact of few predators, that made up a minor amount of the total species, could have such a high impact on the ecosystem.
I think your answer is B.) The objects must be in direct contact with one another
When dead body parts decay.
Answer:
It will end up on an orbit that is farther from the Sun
Explanation:
Total energy must be conserved, so if one asteroid loses energy and moves to a closer orbit, the other has to gain energy and move to a more distant orbit.
