Molecules that have the same chemical formula but have different molecular structures are: Isomers.
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Answer:
Empirical evidence of his ideas
Explanation:
The scientific process involves the formulation of hypotheses that enable to answer questions about the real world, and then to carry out experiments or observations that are used to confirm (or reject) such predictions. In the last 160 years, Darwin's ideas on 'descent with modification' have constantly been subjected to experimental assessment, and obtained data confirmed his observations. For example, molecular evidence based on the DNA and RNA -which constitute the genetic material of all living organisms- has shown the conservation of this process. In consequence, molecular evidence has been used to construct 'evolutionary' phylogenetic trees from DNA/RNA sequences. Moreover, evidence in genetics has shown the critical role played by mutations in the mechanism of natural selection proposed by Darwin, thus also confirming his theories. These are only some examples, and supporting evidence confirming Darwin's ideas has been collected from different research fields ranging from ecology to molecular biology.
Answer:
Less plants grow in deserts.
Explanation:
Areas that have more plants have more nutrients. Plants receive and give of nutrients when they die. So areas with little water and plants have little nutrients. Also the sun damages organic matters.
Answer:
The fossil record matches the geologic record:
geographic distribution
The oldest forms of life were much more simple than the newest forms of life:
increasing complexity
A fossil called Tiktaalik has been found to be halfway between a fish and the earliest land animals:
transitional forms
Explanation:
i just did it and got it right