help please !! it’s due in 20 mins &’ i need help. only answer if you know <3

Answer:

Biogeographical evidence can tell us a lot about how animals have interacted with their environments over time. For example, by studying the distribution of different species and their habitats, we can learn how animals have adapted to different environments in order to enhance their survival. Some examples of this include animals developing specialized physical adaptations to help them survive in different environments, such as thick fur to stay warm in cold climates or long legs to run quickly in open areas. Additionally, animals may have changed their behavior in order to better survive in their environments, such as forming social groups to defend against predators or cooperating with other species to find food. Overall, biogeographical evidence can provide valuable insights into how animals have evolved and adapted over time in order to survive and thrive in their environments.

Explanation:

The digestive tract tissue consists of the Enteric Nervous System (Myenteric plexus, Submucosal plexus, and Parasympathetic ganglion of myenteric plexus), Esophageal Gland, and Blood Vessels.

The wall of the digestive tract is made of four layers of tissue. From the lumen of the digestive tract outward, these layers are:

1. Mucosa consists of the stratified squamous epithelium to facilitate the transport and absorption of digestive products; lamina propria in the form of sparse connective tissue; and the muscularis mucosae.

2. Submucosa consists of sparse connective tissue with lots of blood and lymph vessels; submucosal plexus (Meissner) as a regulator of digestive blood flow and controlling the function and secretion of epithelial cells; and lymphoid glands.

Another function of lymphatic nodules in the lamina propria and submucosa layers is as the body's defense system against virus and bacterial infections.

3. Muscularis consists of a layer of muscles for the independent movement of the mucous layer which then pushes and mixes food in the digestive tract; myenteric plexus (Auerbach) as a regulator of relaxation and contraction of the digestive wall; and blood and lymph vessels.

The myenteric plexus and the submucosal plexus regulate muscular contractions forming the parasympathetic ganglia which are the main components of the Enteric Nervous System.

4. Serosa, in the form of a thin layer consisting of sparse connective tissue; and simple squamous epithelium (mesothelium).

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Answer: the correct option is 21.

Explanation:

Tattoo shading hurts more than the linework however it depends on the artist's skills.

Line work simply lacks the dimension that color and shading provide. Many people find that it hurts less than the outline because the skin is moved more evenly. However, once more, the artist's level of skill plays a significant role in this. Don't be afraid to look for a new tattoo artist if you're not sure who the best person is for the job. Because the outer portion of your shoulders has thick skin and few nerve endings, getting a tattoo there is one of the least painful places.

You should moisturize your new tattoo at least twice a day for the first two weeks (or until the healing process is complete). Numerous tattoo enthusiasts continue to moisturize their tattoos on a daily basis! Most of the time, the lotion is the best kind of moisturizer.

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Answer: Two of the chromosomes (the X and the Y chromosome) determine your sex as male or female when you are born. They are called sex chromosomes: Females have 2 X chromosomes. Males have 1 X and 1 Y chromosome.Ma

Explanation:

A process in which recipient cells acquire genes from free DNA molecules in the surrounding medium is called Transformation.

Change is the cycle by which beneficiary cells obtain qualities from free DNA atoms in the encompassing medium. Bacteria transfer genetic material in a variety of ways, with the bacteria either transferring the gene from the donor to the receiver via adjacent cells, a plasmid, or uptaking a gene from the surrounding cells.

Transformation is the process of removing a gene from its environment. The genetic material may adhere open in the media because the surrounding bacteria may die. The bacteria acquire this genetic material during transformation, resulting in gene transfer.

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(complete question)

a process in which recipient cells acquire genes from free dna molecules in the surrounding medium is called group of answer choices

Conjugation

Transformation

Transduction

Answer:

It is a measure of how far each observed value is from the mean. In any distribution, about 95% of values will be within 2 standard deviations of the mean

Endoplasmic reticulum is absent in mature RBCs. The endoplasmic reticulum is not found in red blood cells, or spermatozoa.        

In adult RBCs, the endoplasmic reticulum is missing. The outer nuclear membrane and the ER's walls are one and the same. Spermatogenesis and red blood cells do not contain the endoplasmic reticulum. Rough endoplasmic reticulum (RER), an organelle with a continuous membrane found in the cytoplasm of eukaryotic cells and necessary for protein synthesis, is a network of linked flattened sacs. Both plant and animal cells contain both rough and smooth ER. Mammalian mature red blood cells circulate in the body for roughly 100–120 days before being eliminated by the spleen. At erythropoiesis phase three, it starts to lose mitochondria. The absence of the endosome promotes RBC formation by increasing the surface-to-volume ratio.

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Arteriosclerosis is the result of the accumulation of lipids, cholesterol, and other materials in and on the arterial walls. a buildup of cholesterol plaque in the artery walls that prevents blood flow. Arteriolosclerosis is the term used to describe the thickening of arterioles, especially when it is related to systemic arterial hypertension.

When the arteries—the blood channels that transport oxygen and nutrients from the heart to the rest of the body—become thick and stiff, blood flow to the organs and tissues may occasionally be restricted. This condition is known as arteriosclerosis. Flexible and elastic arteries indicate good health. However, the artery walls can stiffen over time, a phenomenon known as arterial hardening.

The term "arteriolosclerosis" refers to the histologic alterations that are frequently observed in the aged brain's deep penetrating tiny arteries, such as intimal degradation, smooth muscle degeneration, and fibrohyalinotic thickening of arterioles with subsequent narrowing of the arterial lumen.

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Carbon makes up a large part of practically every part of the human body. It serves as a bonding agent that facilitates the construction of complex chains of molecules. In this sense, carbon can be thought of as a building block for biological molecules.

Sexual reproduction is the process of creating a new organism from the combination of genetic material from two parents. Asexual reproduction is the process of creating a new organism from a single parent which can be either an animal or a plant.

Although both processes are used to reproduce, there are some key differences between the two. One key difference between sexual and asexual reproduction is the way in which genetic diversity is created. Sexual reproduction involves the combination of two parent’s genetic material, which creates a new combination of genes, or alleles, in the offspring. Another difference between the two processes is the number of parents involved. Sexual reproduction requires two parents, while asexual reproduction requires only one parent. Finally, the amount of time required for each process is different. Sexual reproduction usually takes longer than asexual reproduction as it requires two parents.

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The primary focus of biology research is life, first and foremost. Second, it offers a comprehensive, scientific explanation of how all living and nonliving organisms interact with one another. Thirdly, it reveals the diversity of life forms.

It offers knowledge about numerous life forms. Additionally, the study of the human body and surroundings, the ecology, and other topics related to life's sustainability are included in biology.

In addition to highlighting the hazards of things like drugs, biology explores the wonders of life, such as childbirth. The human body, its activities, and ways to safeguard it are all covered in great detail in biology.

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Explanation:

>cellular respiration allows for organisms to break down molecules in order to release the energy stores in the bonds to generate atp which the cell can then use for it's normal processea

>fermentation produces relatively less energy than respiration because fermentation does not result in the complete oxidation of glucose.

>1 breaks down glucose

2 extract energy for cellular metabolism

3 to provide private for the trichloroacetic. acid(TCA) cycle

4 reduce the curtail by increasing the ratio of NADH

>38 atp molecules

>2 atp molecules

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Local oxygen demand is the key factor influencing coronary blood flow. The last common mechanism affecting vasomotor tone is the vascular endothelium.

At rest, the coronary arteries remove between 60% and 70% of the blood's oxygen. [1] This level of oxygen extraction demonstrates the myocardium's strong metabolic activity. It also emphasizes how critical it is to boost total coronary flow when myocardial oxygen demand is elevated.

The easiest way to define coronary vascular flow is as phasic flow since most anterograde blood flow to the heart occurs when the compressive forces of systole oppose the driving force for flow in the coronary circulation.

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Labeling the gametes in the picture are shown below:

A gamete is an animal or plant reproductive cell. Animals' male and female gametes are referred to as sperm and ova, respectively. Each ova and sperm cell has one copy of each chromosome, making them haploid cells. A sperm and an ovum combine during fertilisation to create a fresh diploid creature.

Gametes in humans are haploid cells with 23 chromosomes, each of which is one of a chromosomal pair seen in diplod cells. The haploid number, commonly known as n, is used to indicate the number of chromosomes in a single pair.

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The central canal known as the osteonic (haversian) canal is surrounded by concentric rings (lamellae) of matrix that make up the osteon.

A single layer of columnar ependymal cells lines the central canal, also known as the spinal foramen or ependymal canal, which runs from the conus medullaris in the lumbar spine to the caudal angle of the fourth ventricle. It depicts a piece of the original neural tube's lumen.

Along the spinal cord's length, there is a hollow tube called the Central Canal. The cerebral spinal fluid, a colourless fluid that surrounds the whole central nervous system as well as different channels and chambers inside the central nervous system, is what fills this route.

Concentric circles are those that share a common centre but have differing radii. It is described as two or more circles with the same centre, in other words. The area between two concentric circles with different radii is known as an annulus.

Complete question:

what is concentric rings around the central canal?

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The majority of electrons in an active mitochondrion travel through which pathway: citric acid cycle, Nadph, aerobic respiration, and oxygen.

Unattached or attached to an atom, an electron is a negatively charged elementary particle (not bound). One of the three main types of atoms inside an atom, along with protons and neutrons, is indeed an electron that is linked to the atom. An atom's nucleus is made up of electrons, protons, and neutrons. The exterior of the nucleus is surrounded by negatively charged electrons in orbit. It can be challenging for scientists to monitor them since they rotate so quickly. They are the littlest particles in a particle and can fit 1 million of them into a central particle. People are drawn to the protons' positive charge.

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Somatic mutations have an effect on the individual who carries the mutation, however they cannot be transferred on to offspring.

A somatic mutation is any change at the cellular level in somatic tissues that occurs after fertilization. Somatic mutations do not affect the germline and therefore don't pass on to offspring. Somatic mutations are a normal consequence of aging and occur throughout the life cycle of an organism, either unexpectedly as a result of errors in DNA repair mechanisms or as a direct response to stress.

Environmental stressors and errors throughout cellular replication increase the likelihood of Somatic mutations occurring.

Radiation, exposure towards certain chemical compounds, and intracellular processes that generate free radicals are all stressors that can cause cellular damage and Somatic mutations.

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The haiku is a three-line Japanese poem with seven syllables in the second line, five in the first, and five in the third.

haiku is a poetic form without rhyme that has 17 syllables and is written in three lines of 5, 7, and 5 syllables each. Although it did not become known as a haiku until the 19th century, the haiku first appeared in Japanese literature in the 17th century as a snappy response to elaborate poetic traditions.

Writers of haiku have traditionally focused on expressing empathetically suggestive vistas into natural phenomena. The 17th-century poet Bash popularized this method, many of whose haiku reflected his own emotional state when interacting with nature. Haiku subjects expanded beyond natural themes after the 19th century.

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Answer:

The factors that can effect the rate of photosynthesis are as follows:

carbon dioxide concentration

light intensity

temperature

water

sunlight

chlorophyll

Answer:

The bacterium doubles every half hour. One hour has two half hours. Thus, 24 hours have 48 half hours. Thus the number of bacteria in the community after 24 hours is 248 .

Explanation:

Q)15 =b)invasive/ exotic

Q)16=c)Genetic

Q)17=b)Equal genes

endangered means it's being harmed extinct mean that is no longer here on the earth.threatened means that it's like being hunted down and it's exact same thing as endangered and invasive and exotic means that something unique or special and invasive means harmful to something

something that would be related to species would be genetic because genetic means something that has the same genes as a different animal or person

Answer:

Q-15. Species is a non-native plant/animal introduced accidentally or intentionally by humans is called as b) invasive/ exotic

Q-16. Genetic biodiversity related to genes c) Genetic

Q-17. Genetic biodiversity covers different varieties of a d) same

Explanation:

here is an explanation for each of the questions:

Q-15. The term "invasive/exotic" refers to species that are not native to a particular ecosystem, but have been introduced either accidentally or intentionally by humans. These species can cause harm to the native species and the ecosystem by competing for resources, spreading disease, or disrupting the natural balance of the ecosystem.

Q-16. "Genetic biodiversity" refers to the variety of genes within a species or population. It is a measure of the diversity of inherited traits and characteristics within a group of organisms.

Q-17. "Genetic biodiversity" covers different varieties of the same species, meaning it refers to the diversity of genes within a single species. This can include variations in physical traits, behaviors, and adaptations that allow individuals within a species to survive and thrive in different environments.

A point mutation can affect the whole structure of the protein.

Point mutation is the type of mutation where change occurs in a single nitrogenous base of the sequence of gene. This change of base can be addition, deletion or alteration. It can result in the change in protein structure or addition of stop codon in between.

Proteins are the biomolecules formed from amino acid as the monomers. These are very essential for the living body as proteins are involved in all of the bodily functions. The formation of proteins takes place in the cytoplasm of the cell where ribosomes are present.

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Mendel observed that true-breeding (P generation) plants hybridized produced an F1 generation with only one trait of a characteristic. When a true-breeding purple blooming plant crossed with a true-breeding white flowering plant, the result was invariably a hybrid plant with purple flowers.

Plants can be split into two categories: blooming plants, such as sunflowers, orchids, and the majority of tree species. The second category includes nonflowering plants, which also includes ferns and mosses.

Having a stem, branches, and roots, a plant is a living organism that develops in the soil. Exotic plants should all receive the appropriate amount of water. equivalent terms: flower, shrub, veggie, herb more words for "plant"

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Full coat color is not possible in their offspring.

The coat color of a rabbit is determined by four alleles: albino, agouti, chinchilla, and Himalayan.The dominance hierarchy is C > cch > ch > c.There is a cross between an agouti rabbit as well as a chinchilla rabbit (cchc).

Rabbits inherit their coat color through a combination of different alleles.This implies that a gene may have more alleles than just two.There are 4 alleles involved in the rabbit's coat color, and each one has a unique phenotypic.

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 Answer: A. It causes products of a reaction to increase the reaction, moving away from equilibrium.

 Explanation: In a natural system, a positive feedback loop magnifies or worsens the impacts of a little disturbance or change, which then cause the system to react. Each input and output in a biological system is a result of and contributes to a specific occurrence. A biological phenomenon known as a feedback loop occurs when a system's output either amplifies the system (positive feedback) or suppresses the system (negative feedback). The ability of feedback loops to help living things maintain homeostasis makes them crucial. The mechanism known as homeostasis helps us maintain a reasonably stable internal environment that is neither too hot nor too cold, neither too hungry nor too sleepy. Depending on the type of organism and the environment it lives in, different levels of energy are required to keep an organism in a state of homeostasis.

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b. No transfer,C. Mainly convection and small amount of convection,D. Silvering precent radiative hear transfer.

In a thermos flask, heat is transferred through conduction, convection, and radiation.And the minimal heat transfer in a thermos is caused by these three events.

We are aware of three ways in which heat can move from one location to another: conduction, convection, and radiation.Each of these processes cannot transfer heat through the thermos flask.The flask is composed of glass, which conducts heat poorly.Thus, heat does not transfer through conduction.

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Nerve fibers of cochlea  is highlighted.

An axon, a long process of a nerve cell (neuromuscle), is what is known as a nerve fiber. Anatomically, the nerve cell's body is found either in the ganglia of the peripheral nervous system or in the central nervous system. An axon, also known as a nerve fibre or nerve fibre, is a long, slender projection of a nerve cell, or neuron, in vertebrates that normally transports electrical impulses known. as action potentials. away. from the nerve. cell body. The word "axon" comes from the Greek word "váxn," which means "axis." The axon's job is to send information to various neurons, muscles, and glands. The axons of some sensory neurons, known as pseudounipolar neurons, such as those for touch and warmth are referred to as afferent nerve fibres, and an electrical impulse travels along these from the cell body to the periphery and from the cell body to the spinal cord along a different branch of the same axon.

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Phenotype" actually refers to an observable trait. "Pheno" actually means "observe" and springs from the equal root because the word "phenomenon".

And so it is an observable form of an organism, and it could consult with whatever from a not unusualplace trait, which include top or hair color, to presence or absence of a disease.

Conclusion: It is concluded that the DCCee phenotype changed into the maximum not unusualplace with its in all likelihood genotype DCe/DCe, whilst the least not unusualplace phenotype changed into ddCcee with its in all likelihood genotype Ce/ce.Since every figure has 4 exclusive mixtures of alleles withinside the gametes, there are 16 feasible mixtures for this go.The F2 progeny of Mendel's dihybrid go showcase 4 exclusive phenotypes: spherical yellow, spherical green, wrinkled yellow and wrinkled green.

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