Gram-positive bacteria are bacteria that have thick cell walls which yield positive results in the Gram staining test. Lipoteichoic acid is a major component of the cell wall of gram-positive bacteria.
- All bacteria indicated in the question can be classified by the Gram staining test:
- Actinomycetes are Gram-positive bacteria
- The genus <em>Arthrobacter </em>includes Gram-positive bacteria
- <em>Escherichia coli </em>(<em>E. coli</em>) is a Gram-negative bacterium
- <em>Staphylococcus spp.</em> are Gram-positive bacteria
- <em>Bacillus spp</em> are Gram-positive bacteria
- <em>Mycobacterium spp.</em> are Gram-positive bacteria
- Prokaryotes can be divided into two domains: Bacteria and Archaea.
- Gram staining is a method used to classify bacteria, but this method IS NOT USED to stain Archaea.
- In consequence, I would not use the Gram test to stain Archaebacteria because Archaebacteria aren't bacteria (Option A is correct).
- Archaebacteria belong to the Archaea domain.
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Answer:
The correct answer is C. co-evolution
Explanation:
When two or more species evolution is influenced by each other and are interdependent than this type of evolution is known as co-evolution. There are several examples of co-evolution like predator-prey co-evolution, flowering plants and pollinators evolution, etc.
The predator-prey evolution is famous in which there is selective pressure on prey to evolve to avoid getting hunted and the same pressure is on predator to evolve with prey so that they can get their food and survive. Therefore the correct answer is co-evolution.
The remains of a Hadrosaur are an example of a fossil typically structures like bones shells and teeth fossilized more often then things like tissues or plant leaves.
