Answer: The statement is true.
Overgrazing happens when the animals or livestock feed on pasture when there is no vegetation present. Overgrazing has devastating impact on the environment as drought can strike any time and lack of precipitation means that farming in that area will also be impacted. The amount of rain received is not under the control of farmers and when the drought conditions extend the replenishment of pasture will not happen. Lack of precipitation will cause the plants to die and eventually the livestock feeds on the available plants to survive.
Plants, trees or crops help in increasing the amount of rainfall by the process of transpiration which is a process in which plants loose water as vapours during the photosynthesis. This water released by the plants increases the moisture content of air making the air saturated and brings about rainfall.
Determine the effect of each ocean process on the salinity of the ocean.
Ocean Salinity Increases:
Ocean water evaporates.
Sea ice forms.
Ocean Salinity Decreases:
A freshwater stream enters the ocean.
Sea ice melts.
Ocean water evaporates and sea ice is forms when ocean salinity increases .When Ocean Salinity Decreases a freshwater stream enters the ocean and sea ice melts.
What is the effect of increasing salinity of ocean?With increase in salinity , the freezing point decreases which meaning that ocean with higher salinity has less potential to form sea ice and therefore remains ice free at much lower temperatures.
What is the effect of decrease salinity of ocean?With decrease in salinity it would be difficult to adding fresh streams and also the sea ice will melt .
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Use the phylogenetic tree to the right to choose the true statement below.
Crocodiles are more closely related to amphibians than to primates.
Ray-finned fish evolved before sharks.
Rodents and rabbits are most closely related to primates.
Amphibians are more closely related to ray-finned fish than to primates.
Image of phylogenetic tree
The phylogenetic tree is a graph that shows the evolutive history of different lineages and how the groups are related to each other. The correct option is 3) Rodents and rabbits are most closely related to primates.
Note: Since I do not have the image, I will provide you with a phylogenetic tree with the animals mentioned among the options. I suggest you compare this tree with yours and check if it turns to be similar.
The phylogenetic tree is a graph composed of,
Lineages → The taxonomic groups of interest. These are placed in the extremes of the branches. Nodes → These are the ramification points, which are also known as divergence points. They represent the location of the most recent common ancestor. Root → This is the older common ancestor that all lineages share. The first one in the tree.⇒ Highly related groups that share a recent common ancestor. This means that they all diverge from the same node.
⇒ Lineages less related to each other are those whose common ancestor is far away in history.
What we need to know is that two species are more related if they have a recent common ancestor.
On the other hand, two species will be less related if their common ancestor is not a recent one and is located far away in the tree.
Options:
1) Crocodiles are more closely related to amphibians than to primates.
FALSE. Crocodiles are more related to mammals. They share a more recent common ancestor with primates than with amphibians.
2) Ray-finned fish evolved before sharks.
FALSE. Ray-finned fishes are bony animals, so they evolved after sharks, which are cartilaginous fishes. You can see sharks placed before Ray-finned fishes in the tree.
3) Rodents and rabbits are most closely related to primates.
TRUE. First of all, they are all mammals, meaning they belong to the same monophyletic group. Second, they share a recent common ancestor, which suggests they are more related to each other than to any other group.
4) Amphibians are more closely related to ray-finned fish than to primates.
FALSE. Amphibians are equally related to ray-finned fish and primates. They share a recent common ancestor with ray-finned fish and a common ancestor with primates. The difference is that ray-finned fish evolved first, then amphibians, and finally mammals.
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Answer: c is the answer
Explanation:
i just did it
An impulse travels through the structures of the neuron in which order?
Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the a content of a dna molecule is 16%, what are the percentages of the remaining bases?
How do you think bones, muscles and joints work together to move the body?
Directional selection only occurs in response to naturally occurring events. Please select the best answer from the choices provided T F
Directional selection does not occur in response to naturally occurring events. Hence, it is false.
What is directional selection?When those with qualities that are on one side of the population's mean survive longer or reproduce more than those on the other, this is known as directional selection. It has been repeatedly shown in wild populations using both experimental and observational methods.
When exposed to environmental changes, a population's genetic variation shifts towards a new phenotype, which is known as directional selection.
When natural selection favors two or more extreme phenotypes that each have a distinct advantage, this process is known as 'diversifying' or 'disruptive selection,' which increases genetic diversity. Hence, this statement is false.
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Which of the following statements about change in ecosystems is true?
a.Ecosystems experience change through human activity only.
b.Ecosystems experience change through natural events only.
c.Ecosystems experience no change.
d.Ecosystems experience change through human activity and natural events.
Just did the assignment.
Which can associate a suspect's gun with a crime?
Final answer:
Forensic techniques, such as fingerprint analysis, matching gun descriptions, and knowledge of altered serial numbers, are used to associate a suspect's gun with a crime.
Explanation:
To associate a suspect's gun with a crime, law enforcement can use a variety of forensic techniques. The presence of a suspect's fingerprints on a gun can indicate ownership or use, but does not necessarily prove they committed a crime with it. It's possible, as in the scenario described, that someone else could have stolen the gun and used it in a crime, hence simply finding Jeremy's prints on his own gun doesn't conclusively show he killed Tim.
Furthermore, if the gun found at a crime scene matches the description of a gun owned by a suspect, such as a 9mm Beretta PX4 Sub-Compact, this could be a compelling piece of circumstantial evidence. However, if a witness like Isabel cannot reliably distinguish between gun models, her testimony may not be definitive. Courts look for additional evidence such as the knowledge of altered serial numbers, which the Indiana Court of Appeals ruled on, deeming the defendant's week-long possession and the gun's altered appearance sufficient for a juror to infer knowledge of the crime.
Suppose you are on a remote island known to have mice that carry either s. aureus or
e. coli. a mouse bites you and you develop an infection. there is no biology lab on the island, but there is a supply of antibiotics. you can only take one antibiotic because taking more than one will make you very sick from the drug interactions. which antibiotics would be the most effective for fighting the unidentified infection
Answer:
You should take the penicillin and neomycin.
Explanation:
Neomycin is an antibiotic that has been shown to be effective in combating gram-negative bacteria, including Staphylococcus aureus (S. aureus). This antibiotic is also used to treat some skin, liver or intestinal infections. Penicillin, in turn, is another effective antibiotic for fighting Escherichia coli (E. coli). It can also be used to treat ear, throat, and urine infections, as well as treating pneumonia, sinusitis, rheumatic fever, meningitis, among others.
If the biochemical oxygen demand (bod) of a lake is very high, how will that affect the aquatic life in the lake? view available hint(s) if the biochemical oxygen demand (bod) of a lake is very high, how will that affect the aquatic life in the lake? there will be more oxygen available for the aquatic life but much less oxygen available to the microbial populations. there will be less oxygen available for the aquatic life due to the microbial activity. there will be more oxygen available for the aquatic life due to the microbial activity. the bod does not have an impact on available oxygen in the lake.
The answer is ‘there will be less oxygen available for the aquatic life due to the microbial activity’. Too much microbial activity utilizes the oxygen dissolved in the water hence making the waters anoxic. This occurs especially after algae blooms. When the algae grow exponentially and later die, microbes that oxidize the organic matter for energy utilize the oxygen and cause dissolved oxygen in the water to deplete. This hence suffocates other aquatic life.
Patient has a suspicious lesion of the right axilla. the area was infiltrated with local anesthetic and prepped and draped in a sterile fashion. with the use of a 3 mm punch tool the lesion was excised and closed with 5.0 prolene suture. pathology report indicated this was a seborrheic keratosis. what cpt® and icd-10-cm codes are reported?
The correct billing codes for the excision of a seborrheic keratosis lesion are 11300 (CPT) and L82.1 (ICD-10-CM).
Explanation:The clinical procedure portrayed in the question involves excision of a seborrheic keratosis with a 3 mm punch tool. The Correct Procedural Terminology (CPT) for this process would be 11300, which is the code for Shaving of epidermal or dermal lesion, single lesion. The lesion is located over the right axilla. The International Classification of Diseases (ICD-10-CM) for a seborrheic keratosis lesion is L82.1. These codes are important since they are used in medical billing to explain the diagnosis and the procedures carried out.
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Which process is the one in which glucose is oxidized to generate two molecules of pyruvate and in which atp and nadh are produced?
Glycolysis is the one in which glucose is oxidized to generate two molecules of pyruvate and in which atp and nadh are produced.
What is glycolysis?Glycolysis is the metabolic pathway that converts glucose into pyruvate. The free energy released in this process is used to form the high-energy molecules adenosine triphosphate and reduced nicotinamide adenine dinucleotide.
Glycolysis is a cytoplasmic pathway which breaks down glucose into two three-carbon compounds and generates energy. Glucose is trapped by phosphorylation, with the help of the enzyme hexokinase.
Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism. Glycolysis consists of an energy-requiring phase followed by an energy-releasing phase.
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In the following food chain which organism receives the least amount of energy plant=> mouse=> snake=> owl
The organism that will receive the least amount of energy would be the owl.
Energy transfer in food chainsOnly about 10% of the energy present at one trophic level of food chains is transferred to the next while the remaining energy is lost as heat to the surroundings.
Thus, as we move up the trophic level, the amount of energy received by the organisms decreases.
Hence, in the illustrated food chain, Owl being at the highest level would be the one to receive the least amount of energy.
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What risk factors predispose paul to a myocardial infarction?
The risk factors are those that are associated with a greater probability of suffering a myocardial infarction are:
High blood pressure, high cholesterol levels, coronary artery disease, tobacco use, obesity and sedentary lifestyle.What is a myocardial infarction?It is a situation that is characterized by the sudden appearance of a picture of ischemic suffering (lack of irrigation) to a part of the heart muscle caused by the obstruction of the coronary arteries.
Characteristics of a myocardial infarctionThe infarction is recognized by the sudden onset of intense pain in the chest, in the precordial area, a feeling of general malaise, dizziness, and sweating.Myocardial infarctions appear in people who have so-called risk factors.The risk factors are, apart from a certain family predisposition and age, smoking, high blood pressure, diabetes and changes in blood fats (cholesterol).Therefore, we can conclude that myocardial infarction is caused by insufficient blood supply to the heart and whose risk factors include obesity, high cholesterol levels.
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What's a fossil that's formed when an outline of the original organism is formed from left-over carbon?
About 88 percent of geologic time is represented by the time span called the ________ era. paleozoic phanerozoic mesozoic precambrian
About 88 percent of geologic time is represented by the time span called the Precambrian era.
What is Precambrian era?The Precambrian era is the largest span of geologic time, representing roughly 88 percent of Earth's history. It encompasses the time period from the formation of the planet, approximately 4.6 billion years ago, to the beginning of the Cambrian period, approximately 541 million years ago.
During this era, the Earth's atmosphere and oceans formed, and the first life forms appeared. Despite its significance, the Precambrian era is poorly understood due to a lack of fossil evidence and a scarcity of geological record. Nevertheless, it remains a crucial period in Earth's history that laid the foundation for the development of life and the evolution of the planet.
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A closed system can experience an increase in entropy only when irreversibilities are present within the system during the process
What can be said about the relationship between enzymes and proteins? a few enzymes are proteins. no enzymes are proteins. a few enzymes contain proteins. all enzymes are proteins. all enzymes contain proteins. most enzymes are proteins?
Most enzymes are proteins that act as biological catalysts, speeding up chemical reactions with high specificity. While all enzymes are proteins, not all proteins act as enzymes, as they have a variety of functions. Some enzymes, known as metalloenzymes, contain metal ions that are essential to their function.
Explanation:When discussing the relationship between enzymes and proteins, it is important to recognize that most enzymes are indeed proteins. These biological catalysts are composed of long chains of amino acids that fold into specific three-dimensional structures, determining their activity and functionality. Enzymes specialize in speeding up chemical reactions within cells, and they do so with remarkable precision and specificity; each enzyme typically catalyzes only one or a few chemical reactions. While all enzymes are proteins, not all proteins are enzymes, since proteins have a wide variety of functions including structural roles, such as in cell shape and muscle tissues, as well as in transporting molecules and replicating DNA.
Additionally, it's worth noting that while most enzymes are purely protein in nature, some are metalloenzymes, which are metalloproteins that act as enzymes. These metalloenzymes have one or more metal ions that are necessary for their catalytic activity, further illustrating the diverse nature of enzymes. Therefore, the correct statement regarding the relationship between enzymes and proteins is that most enzymes are proteins.
Honor-killings generally involve death by _________ for a shaming offense.
Which structure in the cheek cell did you observe that separates and protects the cell from the environment?
"a patient is brought to the emergency department with decreased respirations and somnolence. the nurse notes a heart rate of 60 beats per minute and a blood pressure of 80/58 mm hg. the patient is known to take alprazolam (xanax) to treat anxiety. which medication will the nurse anticipate the provider to order?"
According to skinner, biology is important because 1. every type of organism is subject to a unique learning process. 2. it determines an organism's range of potential responses. 3. most important behaviors of an organism are innate. 4. it determines an organism's appearance. 5. the genetic contributions of the parents vary between organisms within a species
You are performing chemical tests on a sample of fatty acid. you find that you cannot hydrogenate the sample, leading you to suspect that it is
In a particular ecosystem, the climate undergoes a gradual change, resulting in increased rainfall. Mosquitoes living in the ecosystem depend on water for reproduction. How will this climatic change most likely affect the mosquitoes in this ecosystem?
It will lead to an increase in the mosquito population.
Describe the relationship between fungal structure
Glacial grooves and striations are scratches or gouges in bedrock created when?
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How does a tobacco mosaic virus reproduce???
Tobacco mosaic virus (TMV) is a simple rod-shaped helical virus that contains single stranded RNA situated at its middle and is surrounded by a protein coat called capsid. After tobacco mosaic virus enters its infected host cells through mechanical inoculation, it removes its capsid to release its single stranded viral nucleic acid which is then transported into the nucleolus. The single stranded viral RNA actuates the production of specific enzymes (RNA polymerases) and it also produces another RNA strand (replicative RNA). The new viral-RNAs are transported from the nucleus into the cytoplasm and functions as messenger-RNAs (mRNAs). Each mRNA, ribosomes, and t-RNA, of the infected host cell all controls the production of protein subunits (capsomeres). After the production of the preferred capsomeres, the new viral-RNAs arrange the capsomeres around it which lead to the production of a complete virus particle (virion). The viruses then migrate from one cell to another. Hence, creating organized infection.
Answer:
Replication. TMV enters the plant cell through minor wounds. Once TMV enters the cell, the virus particles disassemble in an organized manner to expose the TMV RNA. The virus RNA is positive-sense, or "+ sense", and serves directly as a messenger RNA (mRNA) that is translated using host ribosomes.
Explanation:
theres your answer.
three examples of biomass sources used to produce biopower
What influences the appearance and function of skeletal muscle?
Myopathies is the term of the disease of skeletal muscles. The responsible for muscle contraction are the interaction of myosin and actin. The responsible for the striated appearance of skeletal muscle, and forms the basic machinery necessary for muscle contraction is called sarcomere.
Which is a point mutation?
frameshift
insertion
deletion
missense
The best example of point mutation is Missense.
Point of mutation is termed as single nucleotide which its base are either deleted, inserted or changed from frequency of RNA or DNA.
It has variety of effects which are found on the downstream for the product of protein.
It occurs when there is replication of DNA.