A major disadvantage of artificial classifications is that they have little predictive value; arbitrarily selected properties do not necessarily correlate well with each other. This generally means that they are of little use for purposes other than that for which they were designed.
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➷ It would be much less likely to go extinct if it has a lot of genetic variation.
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Answer:
Examples of mechanical weathering include frost and salt wedging, unloading and exfoliation, water and wind abrasion, impacts and collisions, and biological actions. All of these processes break rocks into smaller pieces without changing the physical composition of the rock.
Explanation:
Mechanical weathering involves mechanical processes that break up a rock: for example, ice freezing and expanding in cracks in the rock; tree roots growing in similar cracks; expansion and contraction of rock in areas with high daytime and low nighttime temperatures; cracking of rocks in forest fires, and so forth.
Answer:
There are two traits in this world problem, so it is a dihybrid problem. The probability of these two individuals having children with mid-digit hair and attached earlobes is 1/4.
Explanation:
First, we must figure out how many traits are involved in this problem. We can see that the problem introduces mid-digit hair and attached earlobes, so we can conclude that there are two traits. Since there are two traits, this is considered to be a dihybrid problem. If there were only one trait, it would be a monohybrid problem.
To solve this problem, we should begin by determining the parent's genotypes from the given information. Let's let the letter H represent mid-digit hair (dominant) and h represent no mid-digit hair (recessive). Let's let the letter A represent attached earlobes (dominant) and a represent unattached earlobes (recessive).
The mother is homozygous recessive for mid-digit hair and heterozygous for attached earlobes, so she has the genotypes hh and Aa. The father is heterozygous for mid-digit hair and homozygous recessive for unattached earlobes, so he has the genotypes Hh and aa.
To find the probability of their child having mid-digit hair (dominant) AND attached earlobes (dominant), we can find the probability of each of these events occurring independently and then multiply them together (by the Law of Multiplication). Their child has a 50% chance of having mid-digit hair (Hh) and 50% chance of having no mid-digit hair (hh). Similarly, their child has a 50% chance of having attached earlobes (Aa) and a 50% chance of having unattached earlobes (aa). Therefore, the chance that their child would have mid-digit hair and attached earlobes is 1/2 * 1/2 = 1/4.
Note that it may be helpful for you to draw out Punnett squares to see these probabilities more clearly.
Hope this helps!
Explanation:
(1)Starch
Carbohydrates are molecules that supply energy and provide support consist mainly of sugars or starches in long chains and rings to form monosaccharide monomers. Inclusive of monosaccharides, disaccharides and polysaccharides (which describes the type of bonding and the degree of complexity of the polymers), their basic makeup comprises C, H, O -with many polar OH groups.
Many long chain polysaccharides are made up of glucose joined by regular 1-4 glycosidic bonds used as energy storage (produced through phtosynthesis) and used for ATP synthesis via respiration, ethyl alcohol fermentation and lactic acid fermentation. Plants are mostly comprised of structural units cellulose and lignin. However, cellulose is their main structural polysaccharide, found within cell walls.
It is made up of special β, 1-4 glycosidic bonds, which give structural polysaccharides their rigid, strong structure; cellulose is not water-soluble and is highly stable. When arranged in α 1-4 glycosidic bonds these molecules are water-soluble and form the stable storage molecule starch. Starch is the main storage reserve in plants- the polymer is produced after glucose production in photosynthesis.
Learn more about Photosynthesis at brainly.com/question/4216541
Learn more about cellular life brainly.com/question/11259903
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