Atmosphere, and active volcanoes, such characteristics is shared by mars and earth.
<h3>How do both mars and earth share characterstics?</h3>
- Both the planets have the same area of dry land. This is because two-thirds of the area of Earth's surface is covered with oceans but water is absent on Mars.
- Both Mars and Earth exhibit temperature and atmosphere.
- The geological processes on Mars and Earth are common for example formation of volcanoes, canyons and impact basins.
- Mars exhibits rings but the earth does not.
- Earth exhibit distinct seasons but Mars do not due to reducing and hot atmospheric condition.
Thus, these are the similarity between mars and earth.
To learn more about the planet click here:
https://brainly.in/question/5467276
The SECOND graph represents selection that may lead to reduced variation. It is an example of stabilizing selection.
<h3>What is Stabilizing selection? </h3>
Stabilizing selection is a type of natural selection that leads to a decrease in the genetic variation of the population.
In Stabilizing selection, natural selection tends to favor an average phenotype and then can remove (select) extreme variations.
Stabilizing selection generates a modified bell curve graph in which the central portion is narrower and it is taller than the normal distribution bell shape.
Learn more about Stabilizing selection here:
brainly.com/question/8563440
There are two ways of working out the phylogeny (family tree) of living
animals. One is by analyzing their genes; the other is to analyze the
extent to which they are similar in form. In either case. the results can
then be integrated with the fossil record. In principle, the two
approaches should be complementary. Both should lead to a consistent
account of how snake and lizard families descended from a single stem. More or less a greater number of shared traits would mean they recently diverged from a common ancestor.
In the study of Gigord and colleagues using Elderflower orchids, the allele frequencies of yellow and purple flowers varied such that when the yellow allele started to become rare, the reproductive success of purple flowers decreased and the reproductive success of yellow-flowered individuals increased in a process known as <u>frequency-dependent selection.</u>
<u></u>
Frequency-dependent selection is an evolutionary process in which the fitness of a phenotype or genotype is dependent on the frequency of that phenotype or genotype in a particular population.
- Positive frequency-dependent selection raises the fitness of a phenotype or genotype as it becomes more prevalent.
- In the case of negative frequency-dependent selection, the fitness of an increasingly prevalent phenotype or genotype diminishes.
In a broader sense, frequency-dependent selection involves biological interactions that make the fitness of an individual dependent on the frequencies of other genotypes or phenotypes within the population.
Learn more about the frequency-dependent selection here :
brainly.com/question/14630940
#SPJ4
<u></u>
<u />
