BIOLOGY HIGH SCHOOL

In Lewis Carroll's Through the Looking-Glass, the Red Queen tells Alice, "in this place it takes all the running you can do to stay in the same place." How is this statement logically connected with the idea of evolution by natural selection? A. As individuals evolve to better fit their environment, their environment also changes, subjecting the individuals to continually changing selective pressures.
B. Running in place is an important measure of optimal running speed, which is a strong correlate of survival and reproduction.
C. As populations evolve to become better adapted to their environments, their environments also change, subjecting the populations to continually changing selective pressures.
D. As individuals evolve through natural selection, they tend to develop characteristics that cause them to be less adapted to their environment.
E. As individuals evolve through natural selection, they tend to move to new places that are very similar to the places in which they originally evolved.

Answers

Answer 1
Answer:

Answer:

Option A, As individuals evolve to better fit their environment, their environment also changes, subjecting the individuals to continually changing selective pressures.

Explanation:

By running the author means that an organism has to continuously evolve in order to cope up with the changing environmental conditions and hence survive and be fertile.  

As per the theory of natural selection, an individual that is best fit to the prevailing environmental condition is able to survive and reproduce. And in order to be fit, an organism is required to evolve continuously.  

Hence, option A is correct


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Describe how molecular biologists identify genes in sequences of dna

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Molecular biologists identify genes in sequences of DNA by using tools to cut, separate, and then replicate the base sequences so they can be able to read them. 
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Which portion of the cell membrane is responsible for preventing unwanted materials from entering the cell? A. integral protein
B. glycoprotein
C. lipid bilayer
D. cholesterol

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C. the lipid bilayer is responsible for keeping out unwanted materials.

C. lipid bilayer is your answer.

MIDDLE SCHOOL

Which principle did Gregor Mendel discover about traits? A. Units of genetic information that govern traits are located in cell membranes.
B. Traits are passed in discrete units from parent to offspring.
C. Traits exist in only one form or version.
D. Traits are passed from only one parent to the offspring.

Answers

Gregor Mendel was a biologist that gave the fundamental laws of genetics. He discovered the inheritance of the trait from the parent to the offspring in the form of discrete units. Thus, option B is correct.

What are traits?

Traits are the discrete unit of the inheritance that was later termed as an allele that carries a distinctive character and attributes from parent to their offspring through reproduction. They are in pairs in the form of recessive and dominant.

Therefore, traits are passed in the form of discrete units.

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B. Traits are passed in discrete units from parents to offspring.
HIGH SCHOOL

MULTIPLE CHOICE: Evidence for evolution includes all of the following except? a. punctuated sedimentation
b. similarities and differences in protein and DNA sequences between organisms
c. the fossil record
d. homologous structures

Answers

Evidence for evolution includes all of the options here (similarities and differences in protein and DNA sequences between organisms, the fossil record, and homologous structures) except for punctuated sedimentation. 

Evidence for evolution includes all of the following except option "A" punctuated sedimentation. Thus, option "A" is correct.

What is evolution?

The gradual change of an organism over a period of time is called evolution. Evolution is the population phenomenon. The sudden change in an individual is called a mutation.

These are the thing that leads to the evolution:-

  1. Natural selection
  2. Se×ual reproduction
  3. Crossing over.

Thus, option "A" is correct.

To learn more about evolution click here:

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Haploid cells are A) mutated cells with missing chromosomes.
B) fused cells with double the chromosome number.
C) sex cells with half the original chromosome number.
D) sex cells with the original chromosome number as the parent cell.

Answers

Answer: The correct option is -

C) sex cells with half the original chromosome number.

Explanation:

Sex cells are the reproductive cells, which are also known as gametes (such as eggs and sperms) and are produced through meiosis.

Meiosis is a type of cell division that occurs during gamete formation, specifically in sexually reproducing organisms.

It is also called reductional division as it produces haploid sex cells, which possess half the number of original chromosomes.

Thus, option C) is the right answer.

C) sex cells with half the original chromosome number.

Hope this helps!
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You are giving ventilations to a 5-year-old child through a resuscitation mask, you should give 1 ventilation about every

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You should typically give ventilation’s to a young child every 30 seconds.

Hope I could help! :)
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Roan cattle show codominance for the color of their hair. There are alleles for red hair and white hair. What would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead?

Answers

Answer:

It would be pink.

Explanation:

Co dominance is the condition when both there is equal expression of both the alleles. The alleles present in heterozygous condition are able to express themselves.

The red hair and white hair are dominant and recessive trait that express themselves when present in homozygous condition. But when present in heterozygous condition they express themselves equally and result in pink color if it is in incomplete dominance. In case of incomplete dominance the dominant trait is not able to express itself fully.

Thus, the answer is pink.

Hello love,

the answer you are looking for would be ( Pink hair )

if you mix red and white you get pink :) Also im taking the test

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When a vessel capsizes, first thing is to check the safety of everyone.
You need to do a head-count to ensure that all passengers of the vessel are there and then make sure that they are all wearing life-jackets.

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Take a head count and ensure all are wearing life jackets.

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Why did anthropologist Napoleon Chagnon experience culture shock when he first encountered the Yąnomamö of South America?

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