A new, invasive species moving into an ecosystem is an example of change.
A.) Biotic
B.) Abiotic
C.) Warming temperatures due to air pollution
D.) Tsunami
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A. Biotic

Explanation:

Abiotic factors are the non-living parts of an environment. These include things such as sunlight, temperature, wind, water, soil and naturally occurring events such as storms, fires and volcanic eruptions. Biotic factors are the living parts of an environment, such as plants, animals and micro-organisms.

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

straight or amphibians are homeothermic to thermal