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ruslelena [56]
3 years ago
8

What made Darwin

Biology
1 answer:
Ket [755]3 years ago
4 0
When a tourist told him that each turtles look different on the island
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Please help me. Giving 15 points if you help.
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76

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2 years ago
1. How many pounds of biological material is below that soil surface?​
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The amount of organic matter in mineral (sand, loam or clay) soils ranges from very low being 1% by weight, to average being 2 to 4%, and high being greater than 5%. There are also “muck” or organic or peat based soils that are 30 to 40% organic matter. The general consensus is the more soil organic matter the better.   approximately 45%

Soil Composition

The basic components of soil are minerals, organic matter, water and air. The typical soil consists of approximately 45% mineral, 5% organic matter, 20-30% water, and 20-30% air. These percentages are only generalizations at best.

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3 years ago
Two methods of biotechnology used by scientists are described below.
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1 year ago
Why do conservationists sometimes purposely set a forest fire?
Oxana [17]
Conservationists occasionally light forests on fire to control wild fires. By occasionally burning material (like leaves, branches, etc), those materials cannot build up and cause large and uncontrollable fires later.
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3 years ago
A virus is made up several components. What are the components?
Anettt [7]

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nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.

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