A species is a group of organisms capable of mating and producing offspring, and speculation is the process of forming a new species. One way a new species may form is by geographic isolation. This occurs when members of a population are physically separated, for example, by a river, or a desert. After the separation the two populations, responding to different conditions, will adapt differently, and so their evolutionary paths willa. converge.
b. dissect.
c. diverge.
d. reverse.

Answers

Answer 1
Answer: The answer is c. diverge.

When a new species form by geographic isolation, it is called geographical speciation or allopatric speciation. In this case, divergence evolution occurs. This is because of physical separation which prevents gene flow between distinct populations. These populations will eventually diverge and members of the populations, which once belonged to the same species, will no longer be able to mate and produce offspring. Eventually, the formation of new species will occur.
Answer 2
Answer: a. Diverge, is the answer to the question.

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Which of the following best describes a population?A. members of the same species living in the same
place at the same time
B. all the red birds in an area
C. all types of organisms living in the same place
D. all members of the same species​

Answers

The following best describes a population - A.members of the same speciesliving in the same place at the same time.

A population is a group of individualorganisms of the same species in a given area. A population is defined as a group of individuals of the same species living and interbreeding within a given area.

  • Members of a population that depend on the same resources such as food or habitat are subject to similar environmental conditions and others.
  • The population is the number of individual species of people or animals in a particular place at a particular time.
  • An example of a population is over eight million people living in New York City.

Thus, the following best describes a population - A.members of the same speciesliving in the same place at the same time.

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Your answer would be A

23. Which type of chemical reaction tends to occur on its own, or spontaneously?

Answers

Answer:

Exothermic reactions

Explanation:

Exothermic reactions are more spontaneous because they release energy for example "my bouncy ball is rolling down the hill".

Final answer:

Exothermic reactions tend to occur spontaneously as they release energy in the form of heat or light.

Explanation:

The type of chemical reaction that tends to occur on its own, or spontaneously, is called an exothermic reaction. In an exothermic reaction, energy is released in the form of heat or light. This release of energy makes the reaction more favorable and allows it to occur without the need for external energy input.

One example of an exothermic reaction is the combustion of gasoline. When gasoline reacts with oxygen, it releases a large amount of energy in the form of heat and light, causing the gasoline to burn.

Another example is the reaction between sodium and water. When sodium reacts with water, it produces sodium hydroxide and hydrogen gas, along with a release of energy. This reaction is highly exothermic and can even cause the hydrogen gas to ignite.

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Some clients are excessively responsive to either the primary or secondary effects of a drug. This is known as hypersensitivity, and it may result from a pathological or underlying condition. Which is an example of hypersensitivity? (Select all that apply.)

Answers

Correct form of question:

Some clients are excessively responsive to either the primary or secondary effects of a drug. This is known as hypersensitivity, and it may result from a pathological or underlying condition. Which are examples of hypersensitivity?

Select all that apply.

a. an anaphylactic reaction to seafood

b. a pregnant client who takes phenytoin and delivers a child with birth defects

c. A client on postoperative day 2 from a prostatectomy who takes ipratropium

d. A client who has chronic renal failure and is taking diphenhydramine

Answer:

c. A client on postoperative day 2 from a prostatectomy who takes ipratropium

d. A client who has chronic renal failure and is taking diphenhydramine

Explanation:

In this case, hypersensitivity describes the excessive response to the primary or secondary effects of a drug. It may occur where a patient has an underlying medical condition like a chronic renal failure that causes an abnormal and potentially harmful side effect. This is common with patients with kidney problem or prostate cancer issues.

A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr. What is the probability that the offspring will have wrinkled seeds?(A) 0 percent
(B) 25 percent
(C) 50 percent
(D) 75 percent

Answers

In order to answer this, you will need to set up a Punett Square (I have attached a picture). 

Since Rr is the genotype of round seeds, we know that round must be dominant to wrinkled, and therefore represented by the allele, R.

Since rr is the genotype of wrinkled seeds, we know that wrinkled must be the recessive trait, and there represented by the allele, r.

Since the Punnett Square shows that the genotype ratio is 2Rr : 2rr, or simplified, 1Rr : 1rr, we now know that there is a 50% chance the offspring will have wrinkled seeds.

Answer: The correct answer is- (C) 50 percent.

Genotype of parents are- Rr ( representing heterozygous dominant ) and rr ( homozygous recessive).

Dominant trait ( depicted by capital letter allele such as 'R' for round seeds)  masks the expression of recessive trait ( depicted by small letter allele such as 'r for wrinkled seeds').

As per the information in the question, round seeds is a dominant trait ( Rr, expressed in heterozygous dominant form) over wrinkled seeds (rr), which is recessive trait.

When the given parents are crossed, they produce offspring with the genotypes  rr ( showing wrinkled seeds) and Rr ( round seeds) in the ratio 1:1.

Thus, the probability that the offspring will have wrinkled seeds is 50 percent.

Refer punnet square.

While mRNA strands are being created a sequence is sometimes miscopied. What will be the effect of this on the cell? a. The damaged mRNA may cause cell death. Incorrect
b. Translation may not take place.
c. Future transcription will not take place.
d. Ribosomes may be destroyed.

I thought it was A, but again it was incorrect, Can someone help me find the correct answer and the reasoning behind it.

Answers

Answer:

b. Translation may not take place.

Explanation:

DNA transcription into RNA is the starting point for all phenotypic expression. As in replication, access to DNA is mediated by the interaction between proteins and certain regions strategically placed in relation to the segment to be transcribed; and it also requires helicases that denature the double strand to allow the "reading" of the nucleotide sequence by polymerases. But RNA polymerases, enzymes that perform transcription, use only one of the DNA strands as a template, allowing them to pair again at the end of the process; therefore, the end product of the transcription, or primary transcript, is a single-stranded messenger RNA molecule.

Although it is rare, messenger RNA can have errors. These errors are less harmful than the errors that occur in DNA, but they can prevent the translation from occurring later.

I'm pretty sure its B

Twin brothers or twin sisters who develop from a single fertilized egg that splits in two are called ________ twins.

Answers

The missing word is: identical