How has technology changed farming?

Baleen whales and toothed whales are both types of cetaceans, but they differ in many ways.

Baleen whales are typically larger than toothed whales, and while all baleen whales have two blowholes, most toothed whales only have one. Toothed whales also have teeth and a single, well-defined melon, while baleen whales have baleen plates instead of teeth and two fused melons.

Baleen whales feed on small prey such as krill, plankton, and small fish, which they filter from the water using their baleen plates. Toothed whales, on the other hand, feed on larger prey such as squid, octopus, and fish, which they capture with their teeth.

While baleen whales have several hundred to several thousand baleen plates made of keratin in their upper jaw, toothed whales have teeth. Baleen whales are much larger than toothed whales, and they have a much more streamlined body shape.

Baleen whales typically feed on small animals such as krill, plankton, and fish, while toothed whales feed on larger prey such as squid and fish. The baleen whales use their baleen plates to filter small organisms from the water, while toothed whales use their teeth to capture and tear apart larger prey.

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The four fundamental functions of the digestive system are motility, digestion, absorption, and secretion. The digestive system transforms the food we eat into energy that our bodies can use.

your body must fully break down food so that your cells can use its component molecules for energy and for building materials. drag the stages of food processing to the correct locations in the figure. then drag the descriptions of what occurs during each stage?

The primary functions of the digestive system include the following:

Digestion

All of these substances are transformed into molecules that are small enough to cross the gut lining and enter the blood, including proteins, lipids, carbohydrates, vitamins, minerals, and water. The digestive system breaks down our food so that the body can use it for energy, growth, and cell repair.

Ingestion, digesting, absorption, and evacuation are the three primary steps in food processing.

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The mismatched hormone to its source is testosterone originating from the posterior lobe of the pituitary gland.

The reproductive system hormones mentioned in the options are LH (luteinizing hormone), inhibin, FSH (follicle-stimulating hormone), and testosterone. LH and FSH are both gonadotropins that regulate reproductive function. LH is indeed produced by the anterior lobe of the pituitary gland, and FSH is also produced by the anterior lobe of the pituitary gland. Therefore, LH and FSH are matched correctly with their sources.

Inhibin is a hormone that plays a role in regulating the production of FSH. It is produced by the gonads, specifically the ovaries in females and the testes in males. Hence, inhibin is matched correctly with its source.

However, the mismatched hormone to its source is testosterone originating from the posterior lobe of the pituitary gland. Testosterone is a male sex hormone primarily produced by the testes, not the posterior lobe of the pituitary gland. The posterior lobe of the pituitary gland does not directly produce any reproductive hormones.

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The true statement about the normal microbiota of the nervous system is that there is no normal microbiota.

What is microbiota?

Microbiota refers to the collection of microbes that normally reside in and on the body. Microbiota is made up of bacteria, viruses, fungi, and other microorganisms. They are present in the body in both permanent (normal) and temporary (transient) forms. Microbiota plays a significant role in various body functions, including digestion, immune system maintenance, and the prevention of harmful microorganisms. There is no normal microbiota of the nervous system; it is considered a sterile environment.

The central nervous system and peripheral nervous system are part of the nervous system. They are sterile environments because they lack the typical microbiota found in the human body. On the other hand, transient microbiota can occur in the nervous system due to infections. It can cause diseases such as meningitis, encephalitis, and brain abscesses.

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When the water temperature exceeds 65 degrees Fahrenheit in the late spring or early summer, bluegills spawn in the shallows. Males establish breeding colonies in mud, gravel, or sand where they watch over the eggs and young hatchlings until they can swim.

Bluegill will migrate to their spawning sites each spring as soon as the water reaches the ideal temperature for the location and start their yearly spawn. Although the beginning date varies depending on the nation, it frequently happens in April or May. In the southeast of the US, between mid- and late April, it starts when the water reaches 71 or 72 degrees.

The spawning season lasts from mid-April through the end of the summer.

Bluegill are typically found hanging slightly above the thermocline in water that is deeper than 10 feet throughout the summer (the depth where water temperature changes dramatically and below which oxygen levels are usually low). Fishing is at its best in the morning and evening, when the fish are most active.

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It's liquid to solid

The most likely explanation for why lymph is returned to the circulatory system via veins is due to the anatomical and functional connections between the lymphatic and cardiovascular systems.

The lymphatic system is a network of vessels and organs that collects excess tissue fluid, known as lymph, from the interstitial spaces throughout the body. Lymph contains various waste products, pathogens, and immune cells. The lymphatic vessels, similar to veins, have valves that prevent backflow and facilitate the movement of lymph towards the heart. As lymph flows through the lymphatic vessels, it eventually reaches larger ducts called lymphatic trunks.

These trunks merge to form the thoracic duct and the right lymphatic duct, which empty the lymph into the venous circulation. The veins provide an efficient route for the return of lymph to the circulatory system. They have low pressure and high compliance, allowing them to accommodate the flow of lymph. Moreover, the lymphatic vessels and veins are closely intertwined and share a common anatomical pathway. Lymphatic vessels often run parallel to veins, and the pulsation of nearby arteries assists in the propulsion of lymph through the lymphatic system.

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The correct statements about cellular molecules are:

Denaturation refers to the disruption of the native structure of a protein, which can occur due to factors such as heat or changes in pH. Denaturation can indeed change the order of amino acids in a polypeptide, altering its structure and function.

Monosaccharides, which are single sugar molecules, can undergo dehydration synthesis reactions to form covalent bonds and create polysaccharides, which are complex carbohydrates composed of many monosaccharide units.

Triglycerides, which are the main components of fats, and membrane lipids both have hydrocarbon tails attached to a hydrophilic (water-loving) head group. This structure allows them to form the lipid bilayer that makes up cell membranes.

The two main energy storage molecules in cells are actually carbohydrates, such as glycogen in animals and starch in plants, and lipids, including triglycerides. Proteins primarily have structural and functional roles in cells rather than serving as energy storage molecules.

Saturated hydrocarbon tails in lipids lack double bonds and can pack closely together, allowing for more interactions between them. In contrast, unsaturated hydrocarbon tails have double bonds that introduce kinks in the structure, reducing the number of possible interactions.

Both DNA and RNA are nucleic acids that are composed of a set of four nucleotides: adenine (A), cytosine (C), guanine (G), and thymine (T) in DNA (replaced by uracil (U) in RNA). These nucleotides form the basis of the genetic code and are used to store and transmit genetic information.

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Answer: a and c

Explanation: just took the test

loess - a deposit of fine, mineral-rich soil that is good for agriculture

deflation - the process by which wind moves particles that are loose

sand dune - sand deposited against an obstruction

abrasion - the process by which wind wears down solid objects

Plz mark brainliest :)

Answer:

abrasion- the process by which wind wears down  solid objects.

sand dune- sand deposited against an obstruction.

deflation- the process by which wind moves particles  that are loose.

loess- a deposit of fine, mineral-rich soil that is  good for agriculture.

Explanation:

edge 2020

Peptide growth factors act through receptor tyrosine kinases types of signal receptors. Peptide growth factors are substances that control cell growth and differentiation in multicellular organisms.

Peptide growth factors stimulate cellular proliferation and differentiation, as well as the synthesis of extracellular matrix components, and are essential for the growth and maintenance of normal tissues. Increased cellular proliferation, a fundamental feature of cancer, has been linked to increased peptide growth factor synthesis and release by the host. Peptide growth factor receptors are a vital component of the intracellular signaling systems that control gene expression and cell behavior in response to various extracellular stimuli. Receptor tyrosine kinases have intracellular tyrosine kinase activity, which is activated when peptide growth factors bind to the extracellular domain of the receptor.

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Answer:

well, if they can't adapt to the situation, they'll die. and if none of the other animals in its species could adapt to this situation, they will go extinct

Explanation:

Answer:

When we look at reproduction too they are similar. They both produce gametes that fuse to form a zygote. They both have DNA that replicates to produce copies of itself.

Plant biology, bioscience, and biotechnology are ways to modify or enhance existing plants and animals artificially. The term "Genetic modification" refers to the use of scientific methods to alter DNA, enzymes, or GFP.

Agricultural Biotechnology:

A variety of methods, such as conventional breeding practices, that modify living organisms or components of living organisms in order to produce or modify products, enhance plants or animals, or create microbes with particular agricultural applications. Today's biotechnology also uses genetic engineering technologies.

Genetic modification:

Genetic engineering or more conventional techniques are used to produce heritable changes in plants or animals for particular purposes. Besides the United States, some other nations use this phrase to refer particularly to genetic engineering.

Thus, plant biology, bioscience, and biotechnology are ways to modify or enhance existing plants and animals artificially. The term "Genetic modification" refers to the use of scientific methods to alter DNA, enzymes, or GFP.

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The complete question is-

Complete the sentences using the correct term.

Plant biology/bioscience/biotechnology is a means to artificially improve or modify existing plants and animals. It uses scientific processes to make changes to the genetic material enzymes/DNA/GFP ______.

The given statement " particles making up the ring of Jupiter are composed of bright, reflective ice" is true because the ice particles in Jupiter's rings reflect sunlight, giving them a bright and reflective appearance.

Jupiter's ring system consists of three main components: the main ring, the halo ring, and the gossamer ring. These rings are primarily composed of tiny particles, known as ring particles or ring material.

Observations and data gathered by space probes, such as Voyager and Galileo, have provided evidence that the particles in Jupiter's rings are made up of ice. The ice particles reflect sunlight, giving the rings a bright and reflective appearance. This is in contrast to the rings of Saturn, which are composed mostly of ice particles but also contain significant amounts of rocky and organic material.

Therefore, the statement that the particles making up the ring of Jupiter are composed of bright, reflective ice is true.

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Property of lipids found in the cell membrane c.) they would have polar heads and non-polar tails.

The heads forming the outer and inner linings are hydrophilic that means water loving. And the tails that face the interior of the cell membrane are hydrophobic that means water fearing. The most abundant membrane lipids are the phospholipids having a polar head group and two hydrophobic hydrocarbon tails.

Phospholipids, cholesterol, and glycolipids are three types of membrane lipid molecules. The lipid compositions on the inner and outer layers are different depending on the different functions of the two faces of a cell membrane.

Lipids works as an essential structural component of membranes, as a signaling molecules, chemical identifiers of specific membranes and as energy storage molecules.

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Answer:c

Explanation:

Answer:

c

Explanation:

the position of a sticker on a wheel rolling along the road

Answer:

B

Explanation:

Edge 2021

The motion of particles across a membrane from low concentration to high concentration requires energy. This process is called active transport. So, the correct option is B.

Active transport, which requires energy in the form of ATP (adenosine triphosphate) or another energy source, is the movement of particles or molecules across a membrane from a region of low concentration to an area of high concentration, against the concentration gradient.

Numerous cellular functions, including the absorption of nutrients and the elimination of waste materials, depend on this mechanism. The sodium-potassium pump and the proton pump are two examples of active transport since they both employ ATP to move ions across cell membranes.

Therefore, the correct option is B.

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The most logical hypothesis to explain the phenomenon where the fungus and algae of a lichen cannot survive when separated and grown alone is the mutualistic symbiotic relationship hypothesis.

Lichens are formed through a mutualistic symbiotic relationship between a fungus and an alga or a cyanobacterium. In this relationship, both organisms benefit each other. The fungus provides a protected environment and absorbs water and nutrients for the alga, while the alga or cyanobacterium provides photosynthetic products (such as carbohydrates) for the fungus.

When the fungus and alga are separated and grown alone, they are no longer able to benefit from each other. The fungus may lack a reliable source of nutrients and protection, while the alga may struggle to obtain necessary resources for photosynthesis or may be vulnerable to environmental stresses. As a result, both organisms may fail to survive when grown individually.

This supports the idea that the mutualistic symbiotic relationship between the fungus and alga is necessary for their survival and successful functioning as a lichen.

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Answer:

C

Explanation:

it just makes the most sense. A- hide does not relate to the word detect and is rather a antonym.

Also the word recognize means to pick out/find whereas detect is quite similar.

Camouflage from predators is not a potential purpose of a zebra's stripes.

Zebras have evolved distinctive black and white stripes that serve multiple purposes.

The most widely accepted explanations for the purpose of zebra stripes include: Predator deterrence: The stripes may help to confuse and deter predators by creating an optical illusion or making it difficult for them to single out an individual zebra from a group.

Thermoregulation: The stripes may play a role in regulating body temperature by creating air currents along the zebra's skin, potentially helping to cool the animal in hot environments.

Social communication: The unique stripe patterns of each zebra may serve as a form of individual recognition within a herd and facilitate social interactions.

While camouflage from predators is a common purpose for patterns and coloration in many other animals, it is not considered a primary purpose of zebra stripes. Zebras are highly visible on the African savannah, and their stripes are more likely to attract attention rather than blend them into their surroundings.

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One potential purpose of a zebra's stripes is to deter biting flies and other insects. The stripes may confuse or deter the insects from landing on the zebra's body. Additionally, the stripes may help with temperature regulation and serve as a form of camouflage.

Zebras have distinct black and white stripes that cover their bodies. While the exact purpose of these stripes is not fully understood, several theories have been proposed.

One potential purpose of zebra stripes is to deter biting flies and other insects. The stripes may confuse or deter the insects from landing on the zebra's body. This is supported by the fact that biting flies are attracted to solid colors and patterns, but they have difficulty landing on striped surfaces.

Another potential purpose of the stripes is temperature regulation. The black stripes absorb heat from the sun, while the white stripes reflect it. This helps to keep the zebra's body temperature regulated in the hot African savannah.

Additionally, the stripes may serve as a form of camouflage. When zebras are in a group, the stripes make it difficult for predators to single out an individual zebra. The stripes create an optical illusion that confuses predators and makes it harder for them to target a specific zebra.

It is important to note that the purpose of zebra stripes is still an area of ongoing research and debate. Scientists continue to study and explore different theories to fully understand the function of these unique markings.

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Answer:

Facilitated diffusion is diffusion using carrier or channel proteins in the cell membrane that assist in the movement of molecules across a concentration gradient. The third type of movement is known as osmosis, or the movement of water to equalize solute concentration.

Answer:

Erythrocytes are not considered true cells, because of their lack of a nucleus. The effect of having no nucleus makes their self-reproduction impossible, and the absence of mitochondria is a disadvantage because they have to obtain energy by alternative reactions.

Explanation:

Erythrocytes, or red blood cells, are the structure in charge of transporting gases in the blood. When these cells are mature, they have already lost their nucleus —in order to have space to house the hemoglobin molecule— which prevents mature red blood cells from being able to reproduce.

Additionally, red blood cells do not have mitochondria —the main energy generator in eukaryotic cells— so in order to obtain energy they need to perform lactic fermentation, with a lower enegetic yield, which may be a disadvantage, but sufficient for this structure to perform its function.

We can find that t ≈ 1.585 hours. Therefore, it will take approximately 1.585 hours for the mass of bacteria to reach 3x milligrams.

What is Bacteria?

Bacteria are a diverse group of single-celled microorganisms that are found in almost every environment on Earth. They can be found in soil, water, air, and living organisms. Bacteria come in a wide variety of shapes and sizes, and they can be classified into different groups based on their physical and biochemical characteristics.

Bacteria play important roles in various natural and artificial processes, such as nutrient cycling, decomposition, fermentation, and bioremediation. Some bacteria are also pathogenic and can cause infections in humans, animals, and plants.

a. Let M(t) be the mass of the bacteria at time t. Initially, at t = 0, the mass of bacteria is x milligrams. We know that the bacteria are growing exponentially with a doubling time of 1 hour. Therefore, the mass of bacteria can be expressed as:

\(M(t) = x * 2^{(t/1)} = x * 2{^t}\)

b. To find the time at which there are 3x milligrams of bacteria, we can set M(t) = 3x and solve for t:

\(M(t) = x * 2^t = 3x\)

\(2^t = 3\)

t = log2(3)

c. Using a calculator, we can find that t ≈ 1.585 hours. Therefore, it will take approximately 1.585 hours for the mass of bacteria to reach 3x milligrams.

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Answer:

D, The Sixth Day War

Enjoy :3

Answer:

D the six day war

Explanation:

Answer:

a piece of plastic,a net, a human, a shark.

Explanation:

Answer:

Blood types O, A, and B are possible for the father.

Explanation:

Since the mother has type A blood, there are two possible genotypes that she can have: AA or AO. Since her son has type O blood, he only has one genotype: OO.

For blood types,

Type A - AA or AO

Type AB - AB

Type B - BB or BO

Type O - OO

* A and B are dominant over O.

Now we have to do crosses between the mother and the father:

AA mother with AB father: child with type AA or type AB blood

AO mother with AB father: child with type AA, AO, AB, or BO blood

AA mother with OO father: child with AO blood

AO mother with OO father: child with AO or OO blood

AA mother with AA father: child with type AA blood

AA mother with AO father: child with type AA or AO blood

AO mother with AA father: child with type AA or AO blood

AO mother with AO father: child with type AA, AO, or OO blood

AA mother with BB father: child with type AB blood

AA mother with BO father: child with AB or AO blood

AO mother with BB father: child with AB or BO blood

AO mother with BO father: child with AB, AO, BO, or OO blood

The father can have blood types O, A, or B.

Hope this helps.

Answer:

veins

Explanation:

vein

As muscle contract and release, the blood is milked through the veins towards the heart pressure changes that occur in the thorax during breathing also aid blood return.

F hypersensitivity reaction associated with macrophage activation, cytokine-mediated inflammation is type II hypersensitivity.

Type II hypersensitivity reaction refers to an antibody-mediated immune response in which antibodies (IgG or IgM) are directed towards mobile or extracellular matrix antigens, resulting in cellular destruction, purposeful loss, or damage to tissues.

Type I reactions (i.e., immediately hypersensitivity reactions) contain immunoglobulin E (IgE)–mediated launch of histamine and other mediators from mast cells and basophils. Examples consist of anaphylaxis and allergic rhinoconjunctivitis.

Type I allergic reaction is also referred to as an immediate response and includes immunoglobulin E (IgE) mediated release of antibodies against the soluble antigen. This results in mast cell degranulation and release of histamine and different inflammatory mediators.

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