All human beings differ from one another by roughly what percentage of their total DNA?

Answer: C

Explanation:

Answer: The organism probably evolved to become the same animal again, or the animal was never actually extinct

Explanation:

Answer: it probably found another habitat to live in with less human interaction, more access to food and water. With a higher chance of survival rate.

Explanation:

Question:

A male cardinal's red color is an example of a trait affected by natural selection. The females of the species choose mates based on the vibrant colors of the males' feathers. If females begin using different criteria than feather color when they choose mates, what would most likely happen to the color of the male cardinals over time?

Answer:

Feather color loses importance in sexual selection and becomes disadvantageous for males. There is a decrease in red color variation among males.

Explanation:

In cardinal species, females choose males to mate according to their vibrant red color. The redder the male is, the better genetic charge it has, and the better choice for mating it becomes.

Red feather color is a trait that reflects the genetic quality of males. So individuals with the most vibrant red color express better capabilities of finding food, competing for resources, competing for males, among others, are the best option to mate and to ensure successful offspring.

The brightest or most vibrant males are in red, the better chances they have to mate and pass their genes to the following generations. So the organism spends energy and resources to produce more vibrant colors to enhance mating chances.

However, if females begin using different criteria than feather color when they choose mates, color production stops making sense. What is even more, it becomes more disadvantageous for males because females do not use color for their choices, males spend energy when producing it, and the redder the males are, the more chances to be predated they have. So basically, males´ feather color loses importance. The selection pressure in males turns to the evolution of another trait. The shade variation of red feathers will decrease over time.

Answer:

The correct answer is - variables that they didn't control and not enough replicates

Explanation:

In this particular case, Pablo and Johanna using too many variables in their experiment or research, All the variables used, are not controlled and with time these variables can not be replicated again on experiment groups.

They did not select a particular age or weight of dogs, the diets are different and they feed dry kibble to only one dog. There are so many variables and for a better result experiment, all variables should be controlled only the independent variable is permitted to manipulate.

Answer:

i thinks its 4 but i am not that positive

A single celled organism that lives in extremely hot or acidic environment with no membrane-bound organelles most likely belongs to archaea, bacteria, and eukarya. Thus, the correct option is 1.

A unicellular organism is also known as a single-celled organism. It is an organism which consists of a single cell, unlike a multicellular organism that consists of multiple eukaryotic cells. Organisms fall into two major categories including prokaryotic organisms and eukaryotic organisms.

All of the life forms can be divided into three major domains, based on the type of cells of the organism into

a. Bacteria: These cells do not contain a nucleus.

b. Archaea: These organisms do not contain a nucleus, however they have a different cell wall from bacteria.

c. Eukarya: These cells contain a well-defined nucleus

Therefore, the correct option is 1.

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Answer:

Information processing and movement

When the wave's amplitude is equal to half of this height (H), the wave's amplitude is 0.5 H.

The amplitude of waves is the maximum height attained by the wave. The amplitude of a wave is the maximum vertical displacement of the wave.

When the wave's amplitude is equal to half of this height, the amplitude is calculated as follows;

Let the height = H

Amplitude = 0.5 H

Thus, when the wave's amplitude is equal to half of this height (H), the wave's amplitude is 0.5 H.

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Answer:

Oxygen and glucose are both reactants of cellular respiration. Oxygen enters the body when an organism breathes. Glucose enters the body when an organism eats.

Explanation:

Buying a new plastic water bottle and throwing it away has the most harmful impact on the environment.  Thus, the correct option is B.

Hard plastics, such drinking water bottles and numerous home objects, contain the chemical BPA. According to research, BPA exposure can cause the endocrine system to malfunction. However, the average person's daily exposure levels are unlikely to cause substantial harm.

Using non-BPA-free water bottles and failing to properly dispose of them in a trash can would be the activity that would have the most detrimental effects on the environment.

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Answer:

Sperm cell

Explanation:

Because it is a reproductive cell and in one of the stages of foetus growth is meiosis so this cell undergoes meiosis to pass that stage

Meiosis is the process by which cells divide into four haploid daughter cells.Sperms are the cells that replicates via meiosis. Option A is correct.

Meiosis:

It is the process by which cells divide into four haploid daughter cells.

Therefore, sperms are the cells that replicates via meiosis.

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Answer:

-heat

Explanation:

Radiation happens when heat moves as energy waves, called infrared waves, directly from its source to something else. This is how the heat from the Sun gets to Earth. In fact, all hot things radiate heat to cooler things. When the heat waves hits the cooler thing, they make the molecules of the cooler object speed up.

Good luck!!

Answer:

Explanation:

Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object as is the case with conduction and convection. Heat can be transmitted through empty space by thermal radiation often called infrared radiation. This is a type electromagnetic radiation .

Answer:

option b X and Y chromosomes is the answer for this question

Answer:

This question lacks options, the options are:

A. They may act to turn on gene transcription.

B. They may act to turn off gene transcription.

C. They may become added to DNA, and then be transcribed.

D. They may remove a gene from DNA.

E. They may alter the nucleotide sequence in a gene.

Options A and B are the answers.

Explanation:

Prokaryotes regulate gene expression at the transcriptional level. Gene expression is the process whereby living organisms synthesize useful products such as protein from a gene. Prokaryotes such as bacteria control the expression of their genes via proteins that bind to DNA called REGULATORY PROTEINS.

These regulatory proteins also known as TRANSCRIPTION FACTORS, act to regulate genes by binding DNA. The binding of DNA either prevents or promote the binding of RNA polymerase in order for transcription to occur.

- Regulatory proteins which may act to inhibit transcription of DNA by turning off gene are called REPRESSORS.

- Regulatory proteins which may act to promote transcription of DNA by turning on gene are called ACTIVATORS.

Answer:

abilities, gender, race and culture etc

Answer:

50

Explanation:

If you cross two heterozygous tomato plants, you get four base genotypes of (Respectively,) RR, Rr, Rr, and rr. That makes your percentage A. 50%.

If a dominant red fruit (RR) plant is crossed with a recessive over yellow fruit (rr), then the phenotype will be red fruit and the genotype Rr. It is a case of complete dominance.

In diploid organisms (2n), an individual is homo-zygous when it carries two copies of the same gene variant (i.e., the same allele).

Moreover, an individual is heter0zygous when it carries two different alleles for the same gene locus.

In complete dominance, the dominant allele completely masks the expression of the recessive allele in heter0zygous individuals.

Thus, That makes your percentage A. 50%.

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Answer:

As the human population has grown, the need for more land has caused an increase in the cutting down of forest lands for habitation and farming. The result has been an increase in soil erosion, an increase in species extinction from habitat loss, and a reduction of oxygen supplied by the trees, as well as lower amounts of carbon dioxide being removed from the atmosphere. Industrial and personal use of fossil fuels has dramatically increased the amount of air pollution in the atmosphere while systematically using up the supply of the non-renewable resources such as coal, oil and natural gas

Explanation: Hope this helps! ^^

Explanation:

Answer:

c. diverging continental plates

Explanation:

Answer:

Answer in explanation below!

Explanation:

I used a punnett square to figure this out!

phenotypic ratio ( meaning how it will look ) = 1 : 1  ( Gg = 50% & gg = 50% )

genotypic ratio ( the allele combo ) = 1 : 1  ( Gg = 50% & gg = 50% )

I hope this helps, good luck!

Answer:

Radiodurans, thermophilius

Explanation:

A Vinosum is most closely associated with the thermophilus and the Radiodurans.

Vinosum may be defined as a gram-negative bacteria which is rod-shaped in structure, anoxygenic in nature, and categorized under purple-sulphur bacteria.

Vinosum bacteria are thermophilus which means they survive at relatively high temperatures. They are halotolerant which means they survive in extremely high salt concentrations.

Therefore, a Vinosum is most closely related to the thermophilus and the Radiodurans.

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Answer:

D. The fossil record provides evidence of many transitional organisms that show relationships between species.

Explanation:

Evolution is the process of changes in characteristics of an organism as time passes. In order for fossil records to support this, there must be some linkage between species to species. Therefore the correct answer is D. The fossil record provides evidence of many transitional organisms that show relationships between species..

Since its inception, the theory of evolution has been the subject of frequent debate, and the fossil record can be relied upon, the fossil record provides evidence of many transitional organisms that show relationships between species, which is in Option D.

The fossil record tells about the ancestors and explains the diversity of life on Earth over thousands or millions of years ago. It is commonly found in sedimentary rock formations and provides information about how organisms lived thousands or millions of years ago.

Hence, since its inception, the theory of evolution has been the subject of frequent debate, and the fossil record can be relied upon, the fossil record provides evidence of many transitional organisms that show relationships between species, which is in Option D.

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Answer:

1. carbohydrates

2.nucleic acid

3.proteins

4.lipids

5.nucleic acid

6.proteins

7.lipids

8.carbohydrates

Explanation:

Answer:

A. white blood cells

Explanation:

those links are by bots i think

Answer:

D increased predators

Explanation:

Foxes are predators of rabbits, Which means the rabbits will be indangerd

Answer:Particle pollution and health risks, including premature death. Health effects may include cardiovascular effects such as cardiac arrhythmia´s and heart attacks, and respiratory effects such as asthma attacks and bronchitis.

Explanation:

Therefore, the correct option here is option "c"

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Answer:

Explanation: Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young. ... Even though fewer offspring are produced through this method, their survival rate is higher than that for external fertilization.

The functions of each muscle depend on its location and ability to perform specific work. For example, the masseter muscle is the strongest muscle in humans which is present in the jaw.

The significance of muscle is understood by the fact that these structures are linked to bones, internal organs, and blood vessels. These components are responsible for movement by their contractions.

According to the context of this question, the muscles in the shoulder region are the four rotator cuffs which significantly include the supraspinatus, infraspinatus, teres minor, and subscapularis. The four muscles in the quadriceps have to perform a different function which includes heavy weightlifting, so, they have to strongest enough.

While the thirty muscles present in the hand can do numerous functions with different levels of intensity. These muscles are not too strong as compared to masseter but are superior.

Therefore, the functions of each muscle depend on its location and ability to perform specific work.

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Answer:

in dna the T and A always go together so the answer is ademine