According to Charles Darwin's Theory of Origin of Species, an organism either develops or losses an attribute according to its adaptation to survive in a competitive environment. This is same with humans or salamanders. The loss or the retention of limbs may indicate the survival purposes of the species.
To carry out cell processes, just like our organs carry out our bodily processes.
The answer is C
Plasmids are conferred through horizontal gene transfer in bacteria. The ‘male’ bacteria develops a structure called pili that then attaches to the ‘female’ bacteria. It then transfers it’s replicated plasmid to the ‘female’ bacteria in a process called conjugation. This bacteria will hence have desirable traits that are coded for by the transferred genetic material ,such as antibiotic resistance, after a process called recombination.
Answer:
A scientist needs to share his work with the scientific community in order for it to be recognized. The ways in which scientists can share their results are:
- The scientists can publish their work in journals. Journals are the best method to communicate a scientists work with the scientists of the world. Even some journals have the criteria to publish only peer-reviewed articles so that the work is highly authentic which is being published.
- Scientists can also present their work at different conferences. Scientists from the world gather up for these conferences.
- Scientists can also present their works to the media or to the universities.
The hypothalamus is a region of the brain present near the pituitary gland. The hypothalamus is the part of the brain that regulates hunger.
The correct option is A.
<h3>What is Hypothalamus?</h3>
Hypothalamus is a small part of the brain present at the base of the brain.
It regulates daily psychological activities and controls the release of hormones.
Thus, the correct option is A, hunger is regulated by the hypothalamus.
Learn more about the hypothalamus, here:
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