Answer:
The correct answer will be option-C
Explanation:
Comparative anatomy is the branch of study which studies anatomy or skeletal structure of the different species and comparing them to study the relationship between them.
The comparative anatomy is studied to study the evolutionary relationship between the different species which acts as evidence of the evolution. The study has distinguished the skeletal structure as homologous structures or analogous structure.
The correct answer will be option-C.
<span>The hamstring muscles are considered as <u>third class lever system.</u></span>
<span>Third class levers are the type of lever in which the
applied force is situated in between the load and the fulcrum. In this case,
the load is near the foot while the fulcrum is the ischial tuberosity and the
applied force is on the hamstring muscles which are in between the two.</span>
The Black mamba snakes are the fastest snakes in the world.
If no genetic mutations will occur, then the Hardy-Weinberg principle would take place by establishing a relationship <span>between the frequencies of alleles and the genotype of a population. In addition, the theory was said to be devised by G. H. Hardy and Wilhelm Weinberg.</span>
Answer: D. Hypothesis B is more useful because it suggests a way to test the relationship between heart rate and caffeine intake.
Hypothesis A and B both are suggesting that caffeine intake is related to higher heart rate. But hypothesis B is proving it more certainly by suggesting the affects of caffeine intake on heart rate. As, heart rate of most people will be higher 30 minutes after they drink a cup of coffee is testifying the fact, that higher heart rate is related with caffeine intake.
Therefore, hypothesis B is more useful because it suggests a way to test the relationship between heart rate and caffeine intake.
