A phylogenetic tree is the representation of the evolutionary relationships among species. The fossil records are used as evidence to develop a phylogenetic tree. Thus, option A is correct.
<h3>What is a fossil record?</h3>
A fossil record is a depiction of the organisms that shared common ancestors and depicts the change in the structural and functional unit of the organism over many years of time.
They are used to illustrate the phylogenetic tree to show the morphological, structural, chemical, anatomical, etc variations in species that shared ancestry.
Therefore, option A. fossil records are used to show the common ancestry at the nodes.
Learn more about fossil records here:
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Answer:
Company Name = Monsanto
Trade Name = RoundUp
Owner of this company = Bayer
Explanation:
Glyphosate:
This herbicide is a broad-spectrum herbicide. It is an organophosphorus compound which inhibits the plant enzyme 5-enolpyruvylshikimate-3-phosphate synthase. It kills weeds more specifically broadleaf weeds and grasses that compete with crops.
Discovery of Glyphosate:
This herbicide was discovered by John E. Franz in 1970. John E. Franz was Monsanto chemist at that time which is an American company. This company brought glyphosate in to market under the trade name Roundup for agricultural use in 1974.
Lawsuits on Monsanto:
Up till now owner of the Monsanto company Bayer faces some 13,000 US lawsuits. These lawsuits was over the potential health risks of glyphosate based products.
Answer: Living Cells
Explanation:
Viruses depend on living cells for their reproduction
<h2>Genetics and Archaeology of Maize</h2>
Explanation:
- Genetic evidence pointed the archaeologists to a specific locality to look for evidence of maize domestication; archaeologists found microfossils on grinding stones that matched that age of the earliest maize predicted by DNA analysis
- Scientists used the archaeological and genetics evidence for discovering the origin of maize with the examination of DNA data
- Archaeologists examine the fossil evidences of maize in caves and determined the domestication of maize
- Hence, the right statement of discipline work is "Genetics Used DNA data pointed the likely location of the earliest maize"
