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.
Well I do know that both Canada and the US have been working on saving animals and plants that live in the wild. I also know that threw these last 5 years we have been making over 14 natural parks a year in the US alone. Canada making less. Both country's want to save natural landscape and they think the best way to do so is natural parks.
Hope this helps! (:
Speaking italian as a native language
Answer:
Some, but not all, earthquakes are related to volcanoes. ... However, most earthquakes are caused by the interaction of the plates not the movement of magma . Most earthquakes directly beneath a volcano are caused by the movement of magma. The magma exerts pressure on the rocks until it cracks the rock.
A region is an area of land that has common features. These features can be natural, such as climate or landscape. They can also be artificial, such as language or religion.
