Answer:
Because of the natural selection
Explanation:
Variation in nature is all we can found out there. Through millions of years nature went with the survival of the fittests, like Darwin said.
When we talk about artificial selection, we talk about humans getting involve on that selection, but we deppend on variation in nature. We can't "create" a new species, but we do can choose the genetic traits we want to prosper and which no.
Answer:
D
Explanation:
Conjugation is one of the processes employed by bacteria cells for genetic exchange. It involves the transfer of genetic material from one bacterium (donor) to another bacterium (recepient) via direct contact.
The donor bacterium carries a DNA sequence called Fertility factor or F-factor, which allows it to synthesize a tube-like stucture known as pilus (plural - pili). The pili that performs this function in bacteria is called CONJUGATE PILI. The pilus draws the mating pair (donor& recepient cell) close to each other to form a wall-wall contact triggering the formation of a mating bridge. This bridge enables the transfer of genetic material, usually in form of a plasmid (a small circular piece of DNA capable of replication independently of the bacterial chromosome).
In bacterial conjugation, the process involves a small portion of the genome of the donor cell getting inculcated into the complete genome of the recepient cell. Hence, conjugation is of immense importance to bacteria, as it is an avenue to confer certain genes e.g. antibiotic-resistant genes.
<span>Reversible lanes are marked with unique signs, signals and markings, such as a red X, which means the lane is closed.
Flashing red X means that you shouldn't drive in that lane, not that you should prepare to stop. A solid yellow X means you should move to another lane, and a flashing yellow X means that you can only use the lane on the left. So this means that a red X is the only correct answer.
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Answer:
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k2k2k23
Explanation:
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The annual growth for the population of birds based on the information provided is equivalent to 50%.
<h3>What is the annual growth rate?</h3>
This describes how much a population increases by using percentages.
<h3>How to calculate the annual growth rate?</h3>
This rate is calculated by considering the number of individuals before and after the population increase.
- 225 / 150 = 1.5 - 1 = 0.5 or 50%
Learn more about growth rate in: brainly.com/question/14263843
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