Explanation:
A food web shows how organisms in a community prey and feed on each other (feeding relationships). It is composed of many interconnected food chains. In addition, it, therefore, shows how energy is transferred up an ecosystem from the primary producers (in this case the trees and grass) to the tertiary consumers (in this case the hawks and wolves).
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The answer is D. Temperature is the measure of the average kinetic energy of all the particles in an object. Within a given substance, a temperature increase means that the particles on average, are moving at greater speeds, or have greater kinetic energy.
Answer:
Allowing the organism to adjust to changes in environmental conditions.
Explanation:
Gene may be defined as the functional segment of the DNA that codes for the particular protein and responsible for the genotype and phenotype expression of the organisms.
The gene expression of the particular genes can be modified according to the activity and the external environment of the organism. The altered expression of gene is important as it helps the prokaryotic organism to adapt better in their environment.
Thus, the correct answer is option (b).
Answer:
Heat can be transferred from one place to another by three methods:
Explanation:
Conduction in solids, convection of fluids (liquids or gases), and radiation through anything that will allow radiation to pass. The method used to transfer heat is usually the one that is the most efficient.
Question 1: Why examining dna is better ?
Examining DNA has a greater interest than examining physical traits because it can determine the genotype of the individual and what are the two alleles that he possesses while examining its physical traits only gives us the phenotype of the individual, which has a lower value than the genotype.
Question 2:
DNA testing is more expensive than examining physical traits, so that in most cases physical features are used to study trait transmission.
There is one case where the determination of the physical trait is sufficient to determine the genotype of the individual: this is when studying codominant alleles such as ABO grouping.
