Answer:
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Explanation:
.Some examples : Sea Otter. The sea otter (shown below) is considered a keystone species as their consumption of sea urchins, preventing the destruction of kelp forests caused by the sea urchin population. ...
.Large Mammalian Predators. ...
.Sea Star
Answer:
True
Explanation:
Connective tissue proper is composed of a small amount of matrix and large amount of densely packed cells. Correct answer is that it is composed of large amount of matrix with widely scattered cells. Hope this helps!!
Answer:
Different ecosystems have different levels of consumers, all end with one top consumer. Most energy is stored in plants and oxygen, and as the consumers eat these plants they take up a small amount of energy. This energy in the herbivores and omnivores is then consumed by carnivores.
It means to be dedicated to something you are doing or/ about to do
The resistance increases then quickly stabilizes!