(2018 6D) The Himalayan rabbit's habitat has cold, snowy winters and mild summers. The body is typically covered in white fur except for the nose, feet, tail, and ears, which are covered in black fur. Hmalavan Ratbr A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice pack over the shaved area. The shaved area grew black fur. Which of these best explains why the hair that grew back where the ice pack was placed was black and not white? Answer The genes for black hair were activated by specific temperatures. The white hair mutated to blak hair as the rabbit's body temperature decreased." C. The coat color changed from white to black with the age of the rabbit. White hair only grows during certain times of the year. x x

Q: Ultraviolet rays in sunlight cause skin cancer. In today’s world, people of all skin colors, but…

A: Ultraviolet rays from the sunlight lead to skin cancer in people. It causes a mutation in the DNA of…

Q: Human populations living in countries in the northern latitudes, such as Finland, have a lighter…

A: Skin color is mainly due to pigment melanin. Melanin is present in both light and dark complexion…

Q: A- Describe the anatomy and physiology of a dog's dewclaw.

A: A dewclaw is a vestigial finger found on the feet of many species. It frequently develops higher on…

Q: Some bird eyes can detect uv light. Uv light can be reflected by the urine of some other animals and…

A: Birds, unlike humans, can detect wavelengths in both the visible and ultraviolet ranges of the…

Q: We know that lighter skin evolved more than once because the SLC24A5  gene is missing from some…

A: The gene SLC24A5 encodes a protein NCKX 5 that has a major influence on natural skin colour…

Q: for 14. Everyone in Squidward's family has light blue skin, which is the dominant trait for body…

A: A Punnett square is an illustration of the potential genotypes of an offspring resulting from a…

Q: Mention 5 research titles related to cows.

A: Effect on liver function of acetonaemia and the fat cow syndrome in cattle   Fat cow syndrome is…

Q: Q3) Why can we say that variations in human skin color are the result of natural selection in…

A: Introduction :- Variations refer to differences or diversity among individuals or populations within…

Q: Why is skin cancer an unlikely trigger for the evolution of darker skin color?

A: Skin cancer can be described as the abnormal growth of skin cells. Skin cancer can be basal cell…

Q: The phenomenon of adaptation is the result of natural selection. Select an answer and submit. For…

A: Natural selection leads to evolution. Adaptations are physical or behavioural characteristics that…

Q: According to the video “The Biology of Skin Color”, why is lighter skin needed in areas closer to…

A: The question is asking about the biological reason behind the necessity of lighter skin in areas…

Q: So if skin color selection is not related to cancer, what accounts for the difference in skin color…

A: Introduction Skin Colour Is Influenced By A Number Of Factors. The Reddening Induced By…

Q: Mr. Fede runs an experiment to see if eating fatty foods raises cholesterol He uses two groups of…

A: Fatty acids are the building blocks of fat. Any lengthy chain of hydrocarbon with a single…

Q: Male fraternal twins born to sport stars got separated at birth and raised in differentenvironmental…

A: Detailed explanation:IntroductionThe sporting performance of fraternal twins, born to athletic…

Q: Explain the difference between physical maps and genetic maps.

A: Genetics is the branch of biology, which deals with the study of genes, their pattern of…

Q: Put the following external pig anatomy terms in order from DORSAL to VENTRAL: Digit, eye, wrist,…

A: DORSAL to VENTRAL: Pinnae - Eye - Hip - Wrist - Ankle - Digit

Q: The skin pigment melanin is expressed differently according to exposure to sunlight, with a greater…

A: Phenotype is the expression of the gene and alleles present in an organism's genome. In most cases,…

Q: Identify one process that most likely resulted in the animals in warm climates having large ears,…

A: Evolution has facilitated series of organisms to overcome the odds of nature and adapt to the…

Q: You are walking to school on a December morning. There is a thin layer of snow on the grass. As you…

A: An ecosystem is a natural community of living beings that deals with the external environment and…

Q: Which is a factor that can determine a person's skin color? Genetic O Environmental O Physiological…

A: Although there are several elements that affect skin colour, melanin is by far the most significant.…

Q: What is the possible explanation for why so many Europeans have lighter skin?

A: Quantitative traits are controlled by more than one genes and are also influenced by the…

Q: How Temperature affects the phenotypes of plants and animals ?

A: Answer:           Climate change alters the life cycles of plants and animals. The temperatures get…

Q: The likelihood of developing nonmelanoma skin cancers is dependent on all of the following factors,…

A: Non-melanoma skin cancers are cancer of skin cell such as basal cell carcinomas and squamous cell…

Q: Would individuals with the mutation be more or less well-adapted to their environment or does their…

A: Coelophysis was a dinosaur that lived in the Late Triassic Period, almost 200 million years back.…

Q: Can you draw out how that would look like?

A: Restriction enzymes, also known as restriction endonucleases, are enzymes that recognize specific…

Q: Over many generations, humans inherited thumbs to help us grasp onto objects. This trait that…

A: Evolution is the basis for development of complex features from simple features .

Q: It would be expected that a population geographically located where UV exposure is minimal to have a…

A: Introduction :- Sunburn can be caused by UV radiation from the sun or artificial sources such as…

Q: Why is there varlation In skin color among modern humans? Multiple Cholce People have different…

A: An individual's skin pigmentation is the result of genetics,and also the exposure of sun. Skin color…

Q: The Inuit of Alaska and Canada have a remarkable ability to work in the cold without gloves and not…

A: The Inuit people who inhabit Canada and Alaska are able to operate in the cold without using gloves.…

Q: relationship

A:

Q: Hypoxia is

A: Medical terms/terminologies are used to denote a specific illness or disease in the body. These are…

Q: 1 Fri Mar 1 to C 1 hp + Writing Task: Citing the supplied documents and using your knowledge of…

A: Genetic variance: Within a community, genetic variance is the range of individual genetic…

Q: Which of the following is most likely to represent the scientist's hypothesis for this experiment?…

A: An amino acid is an organic molecule composed of a fundamental amino group (-NH2), an acidic…

Q: 31. Relate the theory of allostasis to the General Adaptation Syndrome.

A: Allostasis and the General Adaptation Syndrome (GAS) are two concepts that are related in the…

Q: Which ones fit into the categories?

A: Cells can be divided on the basis of the presence of certain organelles into prokaryotic and…

Q: Summarize how natural selection is the mechanism that produced a global cline of skin color. Your…

A: Natural selection is the mechanism that produced a global cline of skin color. This variation in…

Q: Protein synthesis is the process of building a phenotype from a genotype. In 100-200 words explain…

A: The DNA contain the genetic information in terms of their nucleotide sequence which is present…

Q: The L gene in cats controls if they like to sit on your laptop (L) or on the book you are reading…

A: Codominance is a type of inheritance in which two allele (different versions of gene) are expressed…

Q: A-Describe the anatomy and physiology of a dog's tail

A: According to the guidelines of Bartleby,“Since you have posted multiple questions, we will provide…

Q: original Homo sapiens had black skin and why skin tones changed?

A: It is the subspecies that consists of the only living members of genus homo,  modern human beings.

Q: Why are tropical breeds of cattle smaller than temperate breeds? Cite your References.

A: Adaptations in different breeds of cattle ----  Th effect of specific environment and climate…

Q: Explain the phrase,"survival of the fittest."

A: Herbert Spencer was the first person to use the term 'evolution'.  Many scientist have proposed…

Q: What can you infer about bats compared to other mammals? What do you conclude about the effect of…

A: Hibernation is an adaptation by organisms which helps in conservation of energy by remaining…

Q: 7) A life history pattern is a set of adaptations that influence the individual's a) longevity b)…

A: Adaptation refers to the process by which an organism or species becomes better suited to its…

Q: Which organism has the highest rate of survival at a young age: a toad, a bird, or a human being?

A: The curves that can be utilized to describe the organisms’ survival rate are survivorship curves.…

Viral Infections

Viruses are abundantly found, minute entities that have genetic material enclosed within a protein coat. The proteinaceous material enclosing the genetic material of the virus is called a capsid. The genetic material could be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). A virus is too minute to be looked at with naked eyes and therefore visualized with the help of a microscope. They are acellular entities that require a host for processes, such as replication, transcription, translation and multiplication. Plants, animals, and bacteria act as host wherein the virus reproduce. Viruses cannot multiply outside the host's body and thus are considered nonliving outside the host body.