Answer: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
The principal components of the plasma membrane are lipids (phospholipid and cholesterol) , proteins , and carbohydrates groups that are attached to some of The lipids are proteins.
RNA
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