How does biogeography contribute to an understanding of evolution?

Answers

Answer 1

Answer: In biogeography studies, similar animals that seem
to be closely related are adapted to different environments
in nearby areas. Also, in areas that are
widely separated animals that seem to be unrelated
are observed to have similar adaptations to
similar environments in the separate areas

Answer 2

Answer: In biogeography studies, similar animals that seem to be closely related are adapted to different environments in different areas. Also, in area that are widely separated animals that seem to be unrelated are observed to have similar adaptions to similar environments in separate areas.

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Activity 2: THE IMPACT OF CORRUPTION AND FRAUD [35 marks]

Answers

Corruption and fraud can have devastating effects on a person and the institution that he or she is working for. When you combine these two elements a lot of people can get hurt financially and emotionally. It’s bad enough that you falsify certain documents for a transaction but it gets worse when you abuse your power by doing cruel and unjust things. If caught, a person could be convicted and sent to jail and the institution that he worked would be shut down leaving honest employees unemployed.

Corruption and fraud are both very damaging elements to any society. These things usually start showing themselves and become problematic in the higher eschelons of society where large sums of money or other services can make people corrupted. This makes society operate on a worse level. Another thing would be fraud which is straight-out illegal and isn't something people should be doing in the first place.

Which of the following observations best supports the conclusion that dolphins and sharks do not have a recent common ancestor?A. Dolphins form social groups, but sharks are solitary.
B. Dolphins hunt during the day, but sharks are nocturnal.
C. The number of dolphin species is far less than the number of shark species.
D. The jawbone structure in dolphins is very different from the jawbone structure in sharks.

Answers

The answer is D. Their jawbone structures are too different.

The asnwer is D.

this is because the traits in all the other options are acquired traits and on this basis, we cannot classify them. Instead, we look for some deeper features like the structure of their bodies. Thus, i conclude that the the answer is D

Explain the purpose of a quick body response like pulling a hand away from a hot stove

Answers

The purpose of a quick body response is from your brain. Your brain has a nervous system that can tell you to do things that you should.
In this case, Pulling your hand away from a hot stove could be dangerous, so you nervous system quickly reacts to take your hand away from the stove.

________ produce proteins by following coded instructions that come from the nucleus of the cell.A) Actins
B) Flagella
C) Microtubules
D) Ribosomes

Answers

Answer:

The correct answer would be D) Ribosomes.

Ribosomes serve as the site of translation in prokaryotes as well as eukaryotes.

It produce proteins or polypeptide chains with the help of mRNA (messenger ribonucleic acid) and tRNA (transfer ribonucleic acid).

It gets attached or assembled near the start codon of the mRNA. mRNA provides the instruction from the DNA (deoxyribonucleic acid) to the ribosome in the form of codon sequence.

The codon sequence are then decoded with the help of tRNA which then adds specific amino acid to the growing polypeptide chain.

As soon as the ribosome reaches stop codon, it releases the mRNA and polypeptide chain.

The peptide chain then undergoes various post-translation changes to become a mature and functional protein.

Out of the choices given, ribosomes are the ones to produce proteins by following coded instructions that come from the nucleus. The correct answer is D.

Name the component of food whose digestion produce nitrogenous waste.

Answers

It is proteins,,,
Amino acids from proteins produce ammonia, which with the help of liver enzymes convert into urea.....

How much heat energy (in megajoules) is needed to convert 7 kilograms of ice at –9°C to water at 0°C? A. 3.26 MJ
B. 2.48 MJ
C. 3.09 MJ
D. 2.13 MJ

Answers

The heat required to change the phase of a substance can be calculated by using the formula,

q = mCΔT where q is the heat needed, m is the mass of the substance, C is the specific heat capacity and ΔT is the change in temperature.

q = 7000 g (4.18 J/ g °C) (0°C - (-9°C))
q = 263340 J or .26334 MJ

I think the answer is not given in the choices.

I think the answer is B. 2.48 MJ, correct me if I’m wrong I’m studying this

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An experiment was carried out to answer the question "Does the pH of water affect the growth of radish plants?" Two groups often radish plants were set up. One group was watered with water having a pH of 3.0, and the other group was watered with water having a pH of 7.0. Both groups of plants received the same amount and intensity of light, the same amount of water, and they were grown in the same type of soil. The heights of the radish plants were measured every 2 days for a period of 2 weeks. Which activity might help to increase the validity of this experiment?

Which structure has the least effect on the ability of a virus to infect and replicate in a host cell?

In the example of the finches on the Galapagos, what is the cause of the geographic isolation?A. the oceanB. the foods the finches ateC. the mating behavior of the birdsD. the climate on the different islands

Given the nucleotide sequences below, what type of mutation has occurred?Before: A C C G T A T G T C A TAfter:A C C G T A A G T C A Tdeletioninsertionsubstitutionmixer