When we are underwater for extended periods of time we see that our fingers and toes become wrinkled as a result of that exposure. One hypothesis for this is the increased folding of the skin is a an ancestoral trait intended to increase grip on wet surfaces under the water. What structure of the integument causes the formation of ridges in our skin that result in finger and toe prints

Q: body

A: Skin colour is largely determined by a pigment called melanin but other things are involved. Your…

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 baby was born with a bluish skin. Explain why should this be a reason for concern?

A: The respiratory system is responsible for gaseous exchange between the body and the atmosphere while…

Q: List one function of skin that is common to all animals andone that is unique to a single group.

A: A cell is a basic unit of life. The cell is the functional and structural unit of all living…

Q: What is the relationship between skin coloration and proximity to the equator? Explain in some…

A: The skin coloration among the humans across globe seems to show relationship with that of equator.

Q: Bony box in turtles are covered by epidermal keratinized scales called

A: Reptiles  In reptiles, outer layer of skin contain Beta- keratin.

Q: In our society, a tanned body is associated with good health. However, medical research constantly…

A: The process of tanning refers to the development of dark colouration of the skin as a result of…

Q: Which of the following is a true statement? (Check all that apply) A) The epidermis forms from the…

A: Hi, Thanks For Your Question.  Answer :  A : Statement Is True  Explanation : It Is Known That Bone…

Q: Why does the use of tanning beds also increase the incidence of skin cancer?

A: Cells, the fundamental (basic) and the structural units of life perform vital processes and…

Q: According to Nina jablonski's research dark skin is adaptive because it protects from __________ at…

A: There are 2 basic types of the ultraviolet rays reaching the surface of the earth: UVB and UVA. In…

Q: Our skin contains melanocytes, which produce melanin that protects the cells from sun damage. If…

A: The integumentary system is the system that helps to study the skin, the largest organ of our body.…

Q: Figures 2 and 3 on the next page provide information from different studies on the ages at which…

A: The epiphyseal plate (also known as the growth plate) is a hyaline cartilage plate located at the…

Q: Explain the cellular and molecular mechanisms that determine the color of human skin.

A: *The phenotypes that distinguishes Ong the  species is differences in skin pigmentation. * human…

Q: Explain the functions of the integumentary system in fish.

A:

Q: A bird with a brain injury that results in it losing its ability to build a nest likely has an…

A: Introduction Neurology is the study of the nervous system. It is important to know neurology because…

Q: As “naked apes” humans lack the protective investment of fur that shields other mammals from the…

A: The human skin is the outer covering of the body and it is the largest organ of the integumentary…

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: Can you explain in detail the derivatives of dermis in mammals?

A: Mammalian skin has three layers- the uppermost epidermis, next is dermis and the inner subcutaneous…

Q: According to your textbook, the trend related to lighter skin pigmentation further from the equator…

A: Organisms are open systems that maintain homeostasis, are composed of cells, have a life cycle,…

Q: Common folklore says that if a young man wants to know whether he will become bald, he should look…

A: Baldness is a disorder in which abnormal hair loss occurs in both men and women. The gene for…

Q: Explain the process of getting wrinkly skin. Is what happens to skin in an ocean vs. a freshwater…

A: The skin is a waterproof coat that protects the body's internal organs. The sebaceous gland secretes…

Q: Researchers isolated a mutation that results in an FGF5 receptor that can bind the FGF5 protein but…

A: The objective of the question is to predict the effect of a mutation in the FGF5 receptor on hair…

Q: What differences exist within keratinocytes of the superbasal epidermis between individuals of dark…

A: Skin is the most important organ of human body. Skin acts as a barrier to the human body. Our skin…

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: During the Industrial Revolution, many children in cities spent little time outdoors and most of…

A: Rickets is a bone disease that may affect children and cause soft and weakened bones, caused due to…

Q: An oily secretion that helps to waterproof body surface Become active at puberty Responds to…

A: Skin is also referred as integumentary system, forms the outer tissue covering the body. The main…

Q: Below is a diagram of a placoid scale (a type of scale found on cartilaginous fish). a. What other…

A: The study of life is as fascinating as life itself, regardless of whether the species we study walk…

Q: In some cultures, women must be covered completely, except for their eyes, when they go outside.…

A: A specific quantity of ultraviolet radiation (UVB) must enter the body's outer skin layer to…

Q: What is the connection between the non-neural ectoderm/epidermis and the dermamyotome?

A: Somites are building blocks of mesodermal tissue ,collectively constituting the vertebral plate.It…

Q: If all people have the same number of melanocytes in their skin, how do we explain the differences…

A: The pigment, melanin is responsible for the color of the hair, skin, and eye color. It is…

Q: What is the adaptive significance of the different skin derivatives of the major group of animals?

A: With a total size of around two square metres, the skin is the body's biggest organ. The function is…

Q: According to the video “The Biology of Skin Color”, what is the pigment in our skin that reflects or…

A: The question is asking about the pigment in our skin that is responsible for absorbing or reflecting…

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: What are the two main variants of the skin pigment molecule in humans? How do the differ?

A: Given: The two main variants of the skin pigment molecule in humans.

Q: What specific characteristics are most useful in distinguishing hairs from different animal species?…

A: Identifying differences between human and animal hair macroscopically is quite difficult, but when…

Q: During the Industrial Revolution, as children spent littletime outdoors and most of their time…

A: Vitamins are organic compounds required by an organism in trace amounts to perform specific cellular…

Q: How does the skin of animals function for food reserve?

A: Skin is the outermost layer of the animal. it is divided into epidermis and dermis. Epidermis is the…

Q: Explain the roles of Vitamin B and Vitamin D in the evolution of skin color. Use appropriate…

A: Vitamin is a micronutrient essential for the proper growth and functioning of an organism.  Although…

Q: Which is not a function of the subcutaneous fat layer of the skin? Which is not a function of the…

A: The subcutaneous fat layer, also known as the hypodermis, is a layer of adipose tissue that lies…