Mutation is the primary cause of all genetic variation. Mutation is important as the first step in evolution, as it produces a new sequence of DNA for a particular gene, producing a new allele. Recombination, through intragenic recombination, may also generate a new DNA sequence (a new allele) for a particular gene.
1. Immigration
2. Emigration
3. Extinction events
The natural resource management aims at saving the natural resource for the coming generation without depriving the demand of the present generation. There must be a sufferable way to use the natural resources because unlimited use of resources will guide to some problems.
The natural resource management also seeks at using the natural resources in its pure shape and making it available to every possible place.
<h3>What are the advantages of natural resource management?</h3>
When watched for in the right way, they can help us to reduce flooding, enhance air quality and supply materials for construction. They also provide a home for some rare and stunning wildlife and iconic landscapes we can relish and which boost the economy via tourism.
To learn more about natural resource management, refer
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<h3><u>Answer;</u></h3>
is a mixture of rock fragments, living organisms, and humus
<h3><u>Explanation;</u></h3>
- Topsoil refers to the top layer of soil that is high in organic matter and nutrients, formed by the slow weathering of rocks and decaying organic matter over thousands of years.
- Topsoil is made up of organic matter, microbes, water and insects that are all needed to ensure cycling.
- Topsoil is used as the medium for all plant growth, whether it is a lawn, garden or prairie.
Answer:
Intestines
Explanation:because if you don't have them then you will not survive because you need them to go number one and number two if youndont then you will blow up your belly.
