The answer is B Troposphere. The Troposphere is actually the lowest layer of atmosphere on the earth. The Lithosphere is the upper area of the Earth's solid layers.
Answer:
Plankons, fungi, bacteria, lichens etc. are the pioneer species of ecological succession. Pioneer species are hardy species which are the first to colonize previously biodiverse steady-state ecosystems. Some lichens grow on rocks without soil, so may be among the first form of life the example includes bacteria, fungi, and lichens.
Explanation:
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Answer:
C
Explanation:
Lice. External parasites are those that live on the outside of the body. A few of the most common external parasites that affect beef animals