Answer:
the skin contains elements of the innate and adaptive immune systems which allows it to actively fight infections. in other words the skin immunity allows the bacteria/ infection ruin the body.
hope this helps :)
Explanation:
What is positive feedback loop is also know as
Answer:
positive feedback (exacerbating feedback, self-reinforcing feedback) is a process that occurs in a feedback loop which exacerbates the effects of a small disturbance.
Which of the following is not a way that the environment can influence traits?
the presence of toxins in the environment
through epigenetic factors
expression of the dominant trait
through variation in temperature
Answer:
The correct answer is - expression of the dominant trait
Explanation:
The ineraction of the genes such as dominant and recessive trait are incorporated in the genes and not influence by the environmental condition. These interaction are by the de noo mutations or due to the error in gene expression.
The environmental conditions like toxins cause alteration or mutation in the gene expressions. Temeprature or epigentic conditions are also the factor the can cause influence to traits.
Various procedures can be used to detect genetic disorders before birth. Among the tests discussed in the chapter, __ is the least invasive, while __ and __ allow the chromosomes of the fetus to be examined.
Various procedures can be used to detect genetic disorders before birth. Among the tests discussed in the chapter, ultrasound is the least invasive, while amniocentesis and chorionic villus sampling (CVS) allow the chromosomes of the fetus to be examined.
Ultrasound is a non-invasive procedure that uses high-frequency sound waves to create an image of the fetus inside the uterus. It can be used to detect physical abnormalities in the fetus, but it cannot provide information about the chromosomes or genetic disorders.
Amniocentesis and chorionic villus sampling (CVS) are invasive procedures that involve taking a sample of cells from the fetus or the placenta. These cells can then be examined to determine if there are any chromosomal abnormalities or genetic disorders. Amniocentesis is typically performed between the 15th and 20th week of pregnancy, while CVS is usually performed between the 10th and 13th week of pregnancy. Both procedures carry a small risk of miscarriage.
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Match these items.
1. smallest unit of classification
A. plant characteristics
2. segmented digestive system, B. appendages
C. taxonomy
3. largest phylum of animals
D. animal characteristics
4. green, conductive tissue, seeds, flowers
E. species
5. classification
F. Arthropoda
6. groups
of families
G. order
7. largest division of plants
H. Tracheophyta
1) E. species, 2) B. appendages, 3) F. Arthropoda, 4) A. plant characteristics, 5) C. taxonomy, 6) G. order, 7) H. Tracheophyta.
What is meant by Arthropoda ?Arthropoda is the largest phylum of animals, consisting of over 1 million known species.The name "Arthropoda" comes from the Greek words "arthro" meaning jointed and "poda" meaning feet.Arthropods have a segmented body, jointed appendages, and an exoskeleton made of chitin.They are found in nearly every habitat on Earth, from the ocean depths to the highest mountains.The phylum includes insects, arachnids, crustaceans, and myriapods.Arthropods play important roles in many ecosystems, serving as pollinators, decomposes, and food sources for other animals.Some of the most well-known arthropods include bees, ants, spiders, lobsters, and ladybugs.They have evolved unique adaptations like camouflage, mimicry and venom to survive in their environments.Arthropoda is the most diverse phylum on earth, it has a wide range of species that include the smallest and the largest known living creatures such as the fairyfly and the blue whale lice.To learn more about Arthropoda refer:
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A Potassium-Argon
(K-Ar) age measures which of the following
the time since last cooling below the gas retention temperature - Potassium is the gas
the time since last cooling below the gas retention temperature - Argon is the gas
the time since the tree containing the Potassium died
the time since crystallization of a mineral containing Potassium
Brouiquc
A Potassium-Argon (K-Ar) age measurement is a dating technique used in geochronology to determine the age of rocks and minerals. It relies on the radioactive decay of potassium-40 (K-40) into argon-40 (Ar-40) over time. The correct answer to the given question is (D) The time since crystallization of a mineral containing Potassium.
When a mineral containing potassium crystallizes, it starts accumulating K-40. Over time, K-40 decays into Ar-40. By measuring the ratio of K-40 to Ar-40 in a mineral sample, scientists can estimate the time elapsed since the mineral's crystallization.
The process of crystallization occurs when molten rock, or magma, cools and solidifies. During this crystallization process, minerals with potassium incorporate the K-40 isotope into their crystal lattice. From that point forward, the K-40 atoms in the mineral begin to decay, producing Ar-40 as a byproduct. By comparing the amounts of K-40 and Ar-40 in a mineral, scientists can calculate the age of the mineral.
It is important to note that the K-Ar dating method is most suitable for dating minerals that have formed from volcanic activity or have been subjected to high temperatures. The technique is commonly used to date rocks and minerals in the range of thousands to billions of years old.
In summary, a Potassium-Argon age measurement determines the time since the crystallization of a mineral containing potassium. It relies on the accumulation of potassium-40 and the subsequent decay into argon-40 in the mineral over time. This dating method provides valuable insights into the age and geological history of rocks and minerals.
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why unraveling past climate changes is important and discuss several ways in which such changes are detected
Unraveling past climate changes is important because it helps us to understand the causes and consequences of climate change.
What is climate change?Climate change refers to the long-term changes in temperature and weather patterns. These may be natural or man-made changes.
Some examples of climate changes include sea level rise, rapid loss of ice mass loss in Greenland, Antarctica, and the Arctic, changes in floral and plant blossoming, and extreme weather occurrences.
Some methods by which past climate changes can be detected include:
Ice cores provide information on past climatic and weather conditions.Tree rings give information about past weather conditions.Sediment coresFossil recordsHistorical recordsLearn more about climate change at: https://brainly.com/question/1789619
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Complete question:
Explain why unraveling past climate changes is important and discuss several ways in which such changes are detected.
Put these processes of the water cycle in the correct order, starting at the point where the water is in a lake. * Rain, snow, or other precipitation falls. * Water evaporates into the atmosphere. 11 Water collects into larger bodies of water. 11 Water vapor condenses into liquid water.
Answer:
1. Water evaporates into the atmosphere.
2. Water vapor condenses into liquid water.
3. Water collects into larger bodies of water.
Explanation:
. you want to design a breathing machine that will bring 500 ml of air into the lungs. you begin with 100 ml of air at 2 atm of pressure. how would you change the pressure in your machine to accomplish your goal?
The pressure would be changed to 4 atm in the machine to bring 500 ml of air into the lungs.
What is pressure and what is breathing and why the pressure is brought up to 4 atm?Breathing is a biological phenomena , biological practice to inhale the air and exhale CO2 through lungs.In the process the inhalation lasts for 3 sec and exhalation for 3.5 seconds of time.Pressure is the quantity representing the force per unit area of the region in a considered time.To design a machine bringing 500 ml of the air into the lungs, initially it was at 100 ml of air at 2 atm .Hence the pressure would be changed to 4 atm in the machine to bring 500 ml of air into the lungs.To know more about breathing visit:
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How is energy causing motion or creating a change in water
Answer:
basically work requires energy so we can say energy is directly proportional to work SO FORMULA OF WORK IS = Force × distance so energy = work
Explanation:
sorry if that doesnt make sense
1. Some human societies have lifestyles that are sustainable, while others do not.
a. Describe how living near water can lead to a more sustainable lifestyle. (0.5
point)
Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.
It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.
An individual who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.
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Put the following fossils into the correct order, from oldest to most recent, based on when evidence of their evolution first appears in the fossil record.I. HumansII. TrilobitesIII. Winged insectsIV. DinosauriaV. BacteriaA. V, II, III, IV, IB. II, V, IV, I, IIIC. V, III, IV, II, ID. I, II, V, II, IV
The answer is the letter A. V, II, III, IV, I- Bacteria, Trilobites, Winged insects, Dinosauria, Humans
*Bacteria - is known to be the oldest life form on earth, appeared during Precambrian time.
*Trilobites- appeared in the Cambrian period (trilobites are now extinct).
*Winged insects- appeared during the Ordovician period.
*Dinosauria- appeared during the Mesozoic era.
*Humans- appeared during the Cenozoic era.
Robots are sometimes used in which form of telemedicine? A. Telepsychiatry B. Telepathology C. Teleradiology D. Telesurgery
Robotic systems are being already used to carry out some kinds of surgery, in order to make it less invasive and avoid mistakes. So the answer is letter D.
Compare and contrast how the circulatory system is important to obtaining raw
materials and excreting byproducts of cellular respiration.
The circulatory system plays an important role in both obtaining raw materials and excreting byproducts of cellular respiration.
What is cellular respiration?Cellular respiration is a metabolic process in which living organisms convert nutrients such as carbohydrates and proteins into energy. During this process, energy is released from the molecules and used to produce adenosine triphosphate (ATP) molecules.
Obtaining raw materials: The circulatory system is responsible for transporting oxygen and other essential molecules to cells, which are then used as fuel for cellular respiration. Oxygen is obtained from the lungs and is transported through the bloodstream to the cells. Nutrients, such as glucose and amino acids, are also transported via the circulatory system for the purpose of providing energy to cells.
Excreting byproducts: The circulatory system is also responsible for carrying away the byproducts of cellular respiration, such as carbon dioxide and other waste products. These byproducts are transported away from the cells, to be released as gas or excreted in the form of urine.
In summary, the circulatory system is essential to cellular respiration, as it facilitates the transport of both the raw materials and the byproducts. Without the circulatory system, cells would not be able to obtain the necessary materials for respiration, nor would they be able to expel the waste products in an efficient manner.
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temperature decreases at high altitude
Answer:
Higher the altitude, the thinner the atmosphere gets. The total heat content of a system is directly related to the amount of matter present, so it is cooler at higher elevations.
Here cooler means decrease in temperature.
Select the term that best fits the following definition: Tells what elements
a compound contains and the number of those atoms *
O Covalent Bond
O lonic Bond
O Compound
O Chemical Formula
Approximately how much energy is transferred from one step in a food chain to the next? .1% 1% 10% 90%
Approximately 10% of energy is transferred from one step in a food chain to the next.
A food chain is a sequence of organisms in which each depends on the next for food. The chain starts with producers, who are then eaten by primary consumers, which are then eaten by secondary consumers, and so on.
Energy flows up the chain, from lower to higher levels of trophic levels, meaning that the food chain in an ecosystem is unidirectional because the energy that moves through the food chain only travels in one direction, from the producers to the top-level consumers.
Approximately 10% of energy is transferred from one step in a food chain to the next. The 10% Rule describes the law of thermodynamics that regulates the transfer of energy from one trophic level to the next. This rule states that just about 10% of the energy available at a trophic level is transferred to the next trophic level.
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Why there were no clear zones for using LB media with 1% olive oil for screening lipilytic bacteria
The reason for the clear zone may be that there is Insufficient lipolytic activity.
Why the clear zone?The absence of clear zones when using LB media with 1% olive oil for screening lipolytic bacteria could be due to Insufficient lipolytic activity.
Enzymes called lipases, which are produced by lipolytic bacteria, break down fats and oils. It's possible that the bacteria utilized in the experiment won't create lipases or have poor lipolytic activity, which would prevent them from efficiently hydrolyzing the olive oil in the media. There wouldn't be any observable clearing or lipid hydrolysis zones as a result.
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The largest diversity of plants and animals on the planet is found in one terrestrial biome.
Answer:
There are diversity of plants and animals species found on the terrestrial biome. The biome such as forest, desert are rich in variety of plants and animals. This states that largest diversity is found in almost all the types of terrestrial biome.
Explanation:
Camel have a ______which stores_____and keeps them ______.
Answer:
yes
Explanation: yes
In saltwater, the water that surrounds a fish has a higher concentration of dissolved salts than is found in the fish's body cells. Which two methods allow the fish to maintain water balance? A. Pumping out salt through the gills B. Absorbing water into the body by osmosis C. Releasing only a little water in urine D. Taking in salts via food
The two methods that allow fish to maintain water balance in saltwater are pumping out salt through the gills and absorbing water into the body by osmosis.
In saltwater, the concentration of dissolved salts is higher in the surrounding water than in the fish's body cells. To maintain water balance, fish have developed two main methods:
1. Pumping out salt through the gills: Fish possess specialized cells in their gills that actively pump out excess salts from their bodies. This process helps maintain a lower salt concentration within the fish's body, preventing dehydration and maintaining water balance.
2. Absorbing water into the body by osmosis: Osmosis is the movement of water from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. Fish have a protective layer of skin that allows water to be absorbed into their bodies while preventing the entry of excessive salts.
By absorbing water through their skin, fish replenish the water lost to the surrounding saltwater, helping to maintain their internal water balance.
These two mechanisms work together to enable fish to survive in saltwater environments. By actively pumping out salts and absorbing water, fish can regulate their internal salt concentration and prevent dehydration, ensuring their overall water balance is maintained.
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why is freshwater beneficial to plants
Explanation:
freshwater beneficial to plants is because estuaries are usually shallow, sunlight can reach all levels of the water. Plants and algae are important to freshwater biomes because they provide oxygen through photosynthesis,
They enhance water quality and facilitate stop alga growth by victimisation nutrients created by fish waste, unconsumed food and organic scrap. They turn out element throughout daylight, that is employed by fish and helps stabilize pH scale. Fish, in turn, unleash unleash, that plants use as a food supply.
Phycobiliproteins are complex proteins in cyanobacteria that absorb light energy. There are three kinds of phycobiliprotein molecules used to pass light to chlorophyll: phycoerythrin—responsible for capturing green light, phycocyanin—responsible for capturing orange-red light, and allophycocyanin—responsible for capturing red light.
Since light can only penetrate to certain depths in oceans (figure 1), phycobiliproteins capture the light available and pass it through various pathways of phycobiliproteins until the emitted light is red, which is absorbed by chlorophyll. (4 points)
A. Explain the relationship between chlorophyll absorption and wavelength.
B. In addition to the pigments commonly associated with photosynthesis, a certain photosynthetic species contains two additional pigment types. Which of the following best justifies the claim that this species is better adapted to environmental changes than the cyanobacteria described above?
Answer:
Part A:
— Chlorophyll absorbs different wavelengths than chlorophyll does.
— Chlorophyll does not absorb wavelengths that are green and yellow, which is indicated by a very low degree of the light absorption.
Part B:
Photosynthetic Organisms are organisms capable of photosynthesis. Photosynthesis is greenery and other organisms using the energy from sunlight to synthesize foods from carbon dioxide and water. Leaving allophycocyanin to be the protein these plants and other organisms receive from the light. So for the process, in order for the plants to live they must be able to go through photosynthesis giving the plants the energy and proteins they need to produce food and to release oxygen into the environment.
Answer:
The visible spectrum is the only part of the electromagnetic spectrum that can be seen by the human eye. It includes electromagnetic radiation whose wavelength is between about 400 nm and 700 nm.
Visible light from the sun appears white, but it’s actually made up of multiple wavelengths (colors) of light. You can see these different colors when white light passes through a prism: because the different wavelengths of light are bent at different angles as they pass through the prism, they spread out and form what we see as a rainbow. Red light has the longest wavelength and the least energy, while violet light has the shortest wavelength and the most energy.
Photosynthesis, the sun’s energy is converted to chemical energy by photosynthetic organisms. However, the various wavelengths in sunlight are not all used equally in photosynthesis. Instead, photosynthetic organisms contain light-absorbing molecules called pigments that absorb only specific wavelengths of visible light, while reflecting others.
The set of wavelengths absorbed by a pigment is its absorption spectrum. The set of wavelengths that a pigment doesn't absorb are reflected, and the reflected light is what we see as color. For instance, plants appear green to us because they contain many chlorophyll a and b molecules, which reflect green light.
Although both chlorophyll a and chlorophyll b absorb light, chlorophyll a plays a unique and crucial role in converting light energy to chemical energy (as you can explore in the light-dependent reactions article).
All photosynthetic plants, algae, and cyanobacteria contain chlorophyll a, whereas only plants and green algae contain chlorophyll b, along with a few types of cyanobacteria Because of the central role of chlorophyll a in photosynthesis, all pigments used in addition to chlorophyll a are known as accessory pigments—including other chlorophylls, as well as other classes of pigments like the carotenoids. The use of accessory pigments allows a broader range of wavelengths to be absorbed, and thus, more energy to be captured from sunlight.
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mechanical receptors are thermoreceptors. T or F?
Answer:
I think false cause Thermoreceptors detect changes in temperature. Mechanoreceptors detect mechanical forces. if its wrong im sorry
Explanation:
Which two elements are found as liquids in nature
Answer: The two liquid elements are bromine and mercury.
Provide the brief overview of the endocrine system , explain briefly how it’s exerts and effects on its targets cells.
The endocrine system is composed of organs located in various regions of the body. These organs produce hormones, a chemical messenger that regulates the functions of the body.
Organs of the Endocrine System:
A. PINEAL GLAND
Location: Brain
Function: Regulates the sleep cycle and production of melatonin
Hormone/s: Melatonin
Target areas: Various tissues, most especially the brain to induce sleep
B. PITUITARY GLAND
Location: Brain
Function: Release several hormones to regulate body functions like in metabolism, growth, and secondary sex characteristics
Hormone/s: Growth hormones, Luteinizing hormone, Follicle Stimulating Hormone
Target areas: Gonads produce sex cells and induce sexual development by secondary sex characters like breasts, facial hairs, etc.
C. THYROID
Location: Throat area
Function: Regulate metabolism, breathing, heart rate, muscle functions, etc.
Hormone/s: Thyroxine, Calcitonin
Target areas: Heart, Muscles, Bones
D. ADRENAL GLANDS
Location: Above the kidneys
Function: Helps the kidneys in controlling the amount of salt in the body, Regulates metabolism, blood pressure, and stress response
Hormone/s: Aldosterone, Cortisol, Androgens
Target areas: Various tissues, particularly, kidneys and gonads
E. PANCREAS
Location: Surrounded by the liver, kidneys, and other internal organs
Function: Regulation of blood sugar and digestion
Hormone/s: Insulin, Glucagon
Target areas: Various tissues, particularly, the liver and muscles store or burn extra sugars in the blood
F. GONADS = TESTES IN MALE; OVARIES IN FEMALE
Location: Inguinal region
Function: Production of sex cells like sperm or egg, Regulate male or female reproduction and sexual development
Hormone/s: Testosterone, Estrogen, Progesterone
Target areas: Various tissues and regions of the body, particularly, the throat (male lowering of voice), chest (breast development), facial hairs, maturation of egg cells and sperm cells in the gonads
In a group of cows, some individuals have solid coloring and others have white spots. In thisgroup, the gene for the coat pattern trait has two alleles. The allele for white spots (a) isrecessive to the allele for solid coloring (A).Moxie is a cow from this group. Moxie has the homozygous genotype aa for the coat patterngene.Based on this information, what is Moxie's phenotype for the coat pattern trait?white spotssolid coloring
Moxie's genotype is aa, which is a recessive trait.
If this is the allele of Moxie, the coat pattern that this cow is white spots.
When Chris describes the practices, values, and goals shared by a group of people, Chris is referring to their
Answer:
This question lacks options; they are
A) Moral
B) Culture
C) Society
D) Civilization
The answer is B. Culture
Explanation:
Culture refers to the customs or habitual practices of a group of people. It describes the beliefs, values, goals etc which is peculiar to a group of people or individuals. For example, the dressing, religious practices, music etc common to a group of people is their CULTURE.
Based on this explanation, the practices, values, and goals shared by a group people as described by Chris is referred to as their CULTURE.
Look at the image. Which two bases bond together in DNA?
Answer:
Under normal circumstances, the nitrogen-containing bases adenine (A) and thymine (T) pair together, and cytosine (C) and guanine (G) pair together. The binding of these base pairs forms the structure of DNA .
The spleen and the thymus work together to fight infection. These organs together make up which next level of organization?
Answer:
Tissue
Explanation:
The spleen and the thymus work together to fight infection. These organs together make up immune system.
What is immune system?The immune system defends the organism's body against external invaders. Toxins and germs such as bacteria, viruses, and fungi are examples of these (chemicals made by microbes).
The immune system is made up of various organs, cells, and proteins that collaborate.
The thymus and bone marrow, lymph nodes and vessels, spleen, and skin are all vital to the immune system's proper functioning.
The spleen filters and stores blood, as well as producing white blood cells to fight infection or disease.
The thymus gland is located in the upper chest, beneath the breast bone. It is responsible for the maturation of a specific type of white blood cell that fights off foreign organisms.
Thus, immune system encompasses spleen and thymus.
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Circle in red the two genes that are closest together