Human activities such as pollution , like trash , or boat oil can effect the waters that house 100 of creature and as for nitrogen cycle things like forest burning and fossil fuel combustion can result in the increased deposition of nitrogen from atmospheric sources
Answer:
<em>The correct option is D) A species that does not normally live in an area.</em>
Explanation:
Non- native species can be described as a species which do not live in a particular habitat but are introduced into the habitat due to certain reasons or causes. The introduction of non-native species might badly affect the stability of an area. The non-native species might fight with the native species for resources like food, water, shelter etc. Sometimes, the introduction of non-native species is done so that the species can feed on any other species which is not beneficial for that environment.
Origin of species by means of natural selection
Answer: evolution only leads to increase in complexity when complexity is beneficial to survival and reproduction.
Explanation:
Answer: Hope this helps
GAS EXCHANGE: the intake of Oxygen and the expulsion of Carbon dioxide. In the capillaries of the alveoli, oxygen travels due to the concentration gradient into those capillaries. Carbon dioxide is then expelled from those capillaries.
RESPIRATORY MEDIUM: is air for animals and water for fish. It is basically the substance through with living animals receive their oxygen.
RESPIRATORY SURFACE: is where the gaseous exchange takes place. The oxygen and carbon dioxide move across the respiratory surface entirely by diffusion.