Phylogeny is the field within biology that is dedicated to studying the origin and development throughout the evolutionary history of species, in addition to developing genealogies that relate them.
What is phylogeny?It refers to the field of biology that focuses on the kinship ties that exist between the various groups of living beings.
Characteristics of phylogenyPhylogeny emerged with the aim of studying evolutionary relationships, analyzing how the characters of the various taxa are distributed.It allows the elaboration of phylogenetic trees, which constitute the bases on which phylogenetic knowledge is based.Therefore, we can conclude that phylogeny describes the historical and generic development of a species and how it can be related to other species within evolution.
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The greatest cause of the worldwide loss of species is __________.
a) habit destruction
b) anthropogenic activities
c) air pollution
d) water pollution
e) decreased soil nutrients
Answer:
A: Habitat Destruction
Explanation:
The destruction of habitats, such as corporate deforestation has caused many animals to relocate, and potentially go extinct due to their inability to adapt.
In three to five sentences, explain the advantages of keeping some DNA needed by mitochondria in the cell’s nucleus and some in the mitochondria itself?
Mitochondrial DNA (mtDNA) has several advantages over nuclear DNA (nDNA): for species identification purposes, including a higher copy number, a lack of sequence ambiguities from heterozygous genotypes and a faster rate of mutation.
What is DNA?Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid are nucleic acids.
Moreover, DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases.
Hence, DNA now has three distinct functions—genetics, immunological, and structural—that are widely disparate and variously dependent on the sugar phosphate backbone and the bases.
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Concepts of gene therapy, nanotechnology, 3d printing, and bioengineering were under development beginning in the question 2 options: a) 1960s. b) 1970s. c) 1980s. d) 1990s.
Concepts of gene therapy, nanotechnology, 3d printing, and bioengineering were under development beginning of 1980s. The correct option is c.
What is bioengineering?Bioengineering is the application of engineering design and analysis principles to biological systems as well as biomedical technologies.
Nanotechnology is the near-atomic manipulation of matter to create new constructions, equipment, and devices.
The technology promises scientific advancement in a variety of fields, including medicine, consumer goods, energy, materials, and manufacturing.
In terms of technological breakthroughs in the twenty-first century, it turns out that concepts such as gene therapy, nanotechnology, 3-D printing, and bioengineering were already being developed in the 1980s.
Thus, the correct option is c.
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true or false: all verterbates maintain a blood osmolarity of about 300 miliosmo through homeostatic mechanisms
True. All vertebrates maintain a blood osmolarity of about 300 million through homeostatic mechanisms. This is important for maintaining proper cellular function and avoiding damage from changes in osmolarity.
The osmolarity of blood refers to the concentration of solutes in the blood, which includes electrolytes, nutrients, waste products, and hormones. Maintaining blood osmolarity within a narrow range is important for proper cell function and overall health. The mechanisms involved in regulating blood osmolarity vary depending on the species, but typically involve the actions of hormones such as antidiuretic hormone (ADH) and aldosterone, which act on the kidneys to adjust the amount of water and solutes excreted in the urine.
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How many carbon dioxide molecules need to enter the Calvin cycle in order to produce one molecule of glucose?
A one
B three
C nine
D six
Answer:
d.) 6 CO2 molecules produce one glucose
Explanation:
Which most correctly describes the process of pollination in flowering plants?
The parent plant is dispersing its male offspring to mate with the female offspring of another plant.
The plant is providing pollen as food for insect visitors.
Pollen is the sperm of the parent plant and it is carried by the wind or an insect to the egg of another plant.
Pollen from the anther of one flower is carried by insects to the anther of another flower.
The statement that best describes the process of pollination in flowering plants is: ''pollen from the anther of one flower is carried by insects to the anther of another flower.''
What is pollination?Pollination is a process in which pollen is transferred from the male reproductive organ (anther) of a flower to the female reproductive organ (stigma) of a flower of the same species, resulting in fertilization. Pollination is essential for plant reproduction and is facilitated by a variety of agents, including wind, water, birds, bees, and other animals.
In flowering plants, pollination usually occurs as follows: Pollen is produced in the anthers of the stamen, which are the male reproductive organs of a flower. Pollen grains are transferred from the anthers to the stigma, which is the female reproductive organ of a flower, either by wind, insects, or other animals.
Once the pollen grain reaches the stigma, it germinates, and a pollen tube is formed, which grows down through the style to the ovary of the flower.The pollen tube delivers sperm cells to the ovary, where they fertilize the egg cells, resulting in the formation of seeds. Finally, the ovary develops into a fruit, which contains the seeds, and the cycle begins anew.
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What is the chief language spoken in Cyprus?
Answer:
Greek and Turkish
Explanation:
Hopefully you realize now that the microorganisms are in the air, dust, you, etc. What is one procedure that we follow at the beginning and end of each laboratory to cut down on the numbers of contaminating microbes?
One procedure that is followed at the beginning and end of each laboratory to cut down on the numbers of contaminating microbes is sterilization.
Sterilization refers to any process that eliminates, removes, kills, or deactivates all forms of microbial life and other biological agents such as fungi, viruses, and bacteria from surfaces, equipment, and laboratory materials. Sterilization is crucial to maintain a safe and sterile environment in laboratories.
It's important to note that the specific procedures and disinfectants used for surface decontamination may vary depending on the type of laboratory, the nature of the experiments being conducted, and any applicable regulations or guidelines. Always follow the recommended protocols and consult with the appropriate authorities or experts in your specific laboratory setting.
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What property of water allows water
to soak up so much CO2 gas?
Answer:Carbonic acid releases hydrogen ions, which combine with carbonate in seawater to form bicarbonate, a form of carbon that doesn't escape the ocean easily. As we burn fossil fuels and atmospheric carbon dioxide levels go up, the ocean absorbs more carbon dioxide to stay in balance.
Explanation:
HELP!!! what should you use to rinse items after cleaning them and before sanitizing them
how do science writers tend to use analogies, especially when writing for a general (non-scientific) audience?
Science writers often use analogies when writing for a general audience to simplify complex scientific concepts and make them more relatable and understandable.
Analogies serve as a powerful tool to bridge the gap between unfamiliar scientific ideas and everyday experiences. By comparing abstract or complex scientific concepts to familiar objects or processes, science writers can provide readers with a point of reference that aids comprehension. Analogies help to create mental images and connections that enable readers to grasp scientific concepts by drawing upon their existing knowledge and experiences.
This approach enhances engagement and retention of information, as readers can relate the new information to something they already understand. Overall, analogies make scientific concepts more accessible and relatable, making science writing more effective in communicating complex ideas to a general audience.
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you've been very sick with the flu for a week and vomiting non-stop. aside from dehydration, your physician is worried about the ph of your blood becoming too .
Hello! It sounds like you are experiencing a difficult time with the flu. Vomiting for a week can definitely lead to dehydration, which can cause serious health complications. However, in addition to dehydration, your physician is also concerned about the pH level of your blood becoming too acidic.
This is because prolonged vomiting can cause a loss of important electrolytes, such as potassium and sodium, which can disrupt the balance of acid and alkaline in your body. If left unchecked, this can lead to a condition called metabolic acidosis, which can cause serious damage to your organs and can be life-threatening. Therefore, it is important to stay hydrated and to work closely with your physician to monitor your electrolyte levels and pH balance. They may recommend intravenous fluids or other treatments to help restore the balance of your body's acid and alkaline levels and ensure your health and wellbeing.
When you have the flu and experience constant vomiting, aside from dehydration, your physician may be concerned about the pH of your blood becoming too acidic. This is because excessive vomiting can lead to a condition called metabolic alkalosis, which disrupts the acid-base balance in your body. It's important to follow your doctor's recommendations to manage your symptoms and restore your body's normal pH levels.
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PLS HELP ASAP! 20 POINTS! Make a bar graph with the data provided below.
Answer:
The picture is blank can you repost it?
Explanation:
Part E: Write Your Paper
Write your research using your outline and the research you’ve collected. Be sure to proofread and revise your writing to catch any errors in grammar, spelling, logic, or cohesion. Remember that you must add a works cited page at the end of your paper to give credit to your sources. Write a a three- to five-page research paper that addresses these questions in detail:
Is a single cure for all cancers likely?
Curing cancer is often compared to curing an infectious disease. Is this a fair comparison?
a) It is possible to have a single cure for cancer as research advances.
b) Just as an infectious disease spreads to other people, cancer cells are able to spread throughout the body. This is a crude but fair approximation of the nature of cancer.
What is cancer?Cancer is a kind of disease in which there is a sudden development of malignant cells in the body. These malignant cells are able to reproduce rapidly and the reproduction of these cells would lead to the spread of the cancer.
There is the possibility of a single cure for all cases of cancer but this would depend on the furtherance of research into the etymology of the disease and its pathology.
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A pea plant with wrinkled peas is crossed with a pea plant with smooth peas. All of the offspring produced have wrinkled peas. What can be inferred about the wrinkled pea trait?
A) It is recessive.
B) The smooth and wrinkled traits are codominant.
C) The plant is a hybrid.
D) It is dominant.
Answer:
D. It is dominant
Explanation:
A dominant trait will always be the one portrayed as long as it is in the genes. Think of it as an override. It is the reason 2 brown-eyed people can have a blue-eyed child. The Punnett square is always the first thing I think of when it comes to genes.
| W | W |
w| Ww | Ww |
w| Ww | Ww |
This is what the Punnett Square for your peas would look like, between a homo Dominant plant and a homo Recessive plant.
Answer:
it is dominant
Explanation:
hope this helped! mark me as brainliest :))
Communities with cold winters often spread salt on roadways. Salt lowers the melting point of water, which means slippery snow and ice will melt instead of building up on roads. While this does prevent car accidents, it poses certain problems. What is the most serious problem that could occur to local ecosystems due to road salt?.
Problems in ecosystem due to road salt are flooding, damage to plant life, water pollution and accidents.
What is ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and other species working together with the weather and topography. Ecosystems are made up of both biotic, or living, and abiotic, or non-living, components.
The cause of the problem is floods caused by excessive ice and snow melting, damage to local plants caused content of salt in the soil, animals that lick salt are prone to accidents, significant increases in soil erosion rates influence the water quality of streams and rivers.
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Right now, is the equatorial Pacific in El Nino, Normal, or La
Nina conditions? How do we know? Use evidence from the website and
your knowledge of ENSO cycles to support your answer.
Currently, the equatorial Pacific is in La Niña conditions. This conclusion can be supported by evidence from relevant websites and knowledge of ENSO (El Niño-Southern Oscillation) cycles.
La Niña conditions are characterized by cooler-than-average sea surface temperatures in the central and eastern equatorial Pacific. To determine the current state of the equatorial Pacific, one can refer to official sources such as the National Oceanic and Atmospheric Administration (NOAA) or the International Research Institute for Climate and Society (IRI), which regularly monitor and report on ENSO conditions.
By analyzing the sea surface temperature anomalies, atmospheric pressure patterns, and wind patterns in the equatorial Pacific, these organizations can provide an assessment of the ENSO state. Additionally, historical data and long-term climate models help in predicting and monitoring the progression of ENSO events.
Based on the most recent reports and data analysis, if the official sources indicate below-average sea surface temperatures and other La Niña indicators in the equatorial Pacific, it can be concluded that the region is currently experiencing La Niña conditions.
In summary, the equatorial Pacific is currently in La Niña conditions, as evidenced by the observations and reports from reputable sources that monitor ENSO patterns and analyze sea surface temperatures, atmospheric pressure, and wind patterns in the region.
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The equator does which of the following?
Runs parallel to the prime meridian.
Defines the Eastern and Western hemispheres.
Indicates the direction of major ocean currents.
Divides the Northern and Southern hemispheres.
Answer:
It is the last one. It divides the Northern and Southern hemispheres! I hope this helped! :)
T/F neuralgia is nerve pain caused by inflammation, pressure, toxins, and other diseases.
The statement "Neuralgia is nerve pain caused by inflammation, pressure, toxins, and other diseases" is true.
Any area of the body can experience the pain, which is typically sharp, shooting, or scorching. Numerous things, including as irritation, stress, toxins, infections, and other illnesses can lead to neuralgia.
Trigeminal neuralgia, which results in excruciating facial pain, postherpetic neuralgia, a complication of shingles, and occipital neuralgia, which affects the nerves in the skull and neck, are a few frequent varieties of neuralgia.
The underlying cause of the pain and its intensity affect neuralgia treatment. Anticonvulsants, antidepressants, and painkillers are a few examples of medications that may be used to treat symptoms.
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True, neuralgia is nerve pain caused by inflammation, pressure, toxins, and other diseases.
Inflammation is part of the body's defense mechanism. It is the process by which the immune system recognizes and removes harmful and foreign stimuli and begins the healing process. Inflammation can be either acute or chronic
When inflammation happens, chemicals from your body's white blood cells enter your blood or tissues to protect your body from invaders. This raises the blood flow to the area of injury or infection. It can cause redness and warmth. Some of the chemicals cause fluid to leak into your tissues, resulting in swelling.
Neuralgia is a term used to describe nerve pain that can be caused by a variety of factors including inflammation, pressure, toxins, and other diseases.
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the gene frequency in a herd or population of animals can be affected by ____
The gene frequency in a herd or population of animals can be affected by various factors such as natural selection, mutation, migration, genetic drift, and mating patterns.
Gene frequency is the proportion of different genetic variants (alleles) within a population. Several factors can influence gene frequency in a herd or population of animals. Natural selection is a significant factor that can affect gene frequency. Traits that enhance an animal's survival and reproductive success are more likely to be passed on to future generations, leading to an increase in the frequency of favorable alleles over time. Mutation, the spontaneous changes in DNA, can introduce new genetic variants into a population and potentially influence gene frequency. Additionally, the migration of individuals between populations can introduce new alleles or alter the gene frequencies in both source and recipient populations. Genetic drift, which is the random change in gene frequency due to chance events, can have a significant impact on smaller populations. Genetic drift can result in the loss of specific alleles or an increase in the frequency of others due to sampling errors. Understanding the factors that affect gene frequency is essential in studying population genetics, evolutionary biology, and conservation efforts aimed at maintaining genetic diversity within animal populations.
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In 3-5 sentences describe the relationship between a glucose molecule and the products it makes during cellular respiration
During Cellular Respiration, glucose is broken down into many different pieces turning into pyruvate and lead to release of electrons. During cellular respiration, this is a process known as glycolysis which takes place in cytoplasm. The pyruvate then oxidizes (meaning it loses the electrons which produce energy) and turns into acetyl CoA which is used in Krebs/citric acid cycle.
Cellular respiraton is a chain of chemical reactions that smash down glucose to produce ATP, which may be used as strength to strength many reactions throughout the frame. There are 3 foremost steps of cellular breathing: glycolysis, the citric acid cycle, and oxidative phosphorylation.
Cellular respiration is the process that happens inside the mitochondria of organisms (animals and flora) to interrupt down sugar inside the presence of oxygen to release electricity inside the form of ATP. This technique releases carbon dioxide and water as waste products.
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in biomeviewer, locate the north western coast of africa. drop a pin in the savanna biome, close to the coastline. what is the average temperature? group of answer choices approximately 40 degrees celcius. approximately 20 degrees celcius. approximately 28 degrees celcius. approximately 10 degrees celcius.
The typical temperature is around 28 degrees Celsius.
Which biomes are there?There are five primary types of biomes: aquatic, grassland, forest, desert, and tundra. Some of these can be further subdivided into more specialized categories, such as freshwater, marine, savanna, tropical rainforest, temperate rainforest, and taiga. Aquatic biomes encompass both marine and freshwater biomes.
How might scientists categorize various biomes using these traits?Based on the species that live there, a place is classified as a biome. Scientists can characterize a biome by describing the temperature range, soil type, amount of light, and water that are particular to an area and create niches for specific species.
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9th grade biology giving brainist to first answer
What are the eight steps used to collect and preserve DNA from a crime scene?
1. Secure the crime scene and protect evidence from contamination.
2. Collect possible sources of DNA from the scene (e.g. blood, saliva, skin cells)
3. Select the appropriate collection materials and evidence sample containers.
4. Extract DNA from the scene (e.g. swabbing, scraping, cutting, or lifting)
5. Record all evidence and details related to the collection.
6. Analyze the evidence in a laboratory.
7. Store the evidence and DNA in a secure place.
8. Document all steps of the collection and preservation process.
Name:
133
Unit 10 & 11 RETEST: Expressions &
Equations
Knowledge - Parts of equations and expressions.
13
1. Label each as either an equation or an expression.
a) 5x - 3 = 12
b) 6x - 3
c) 7x + 5 = 9
2. Label each part of the equation. (numerical coefficient, variable, constant term.
What are the math questions
5x-3=12
6x-3
7x+5=9
Are they an equation or expressions?
Explanation:
To find - 1. Label each as either an equation or an expression.
a) 5x - 3 = 12
b) 6x - 3
c) 7x + 5 = 9
2. Label each part of the equation. (numerical coefficient, variable, constant term.
What are the math questions
5x-3=12
6x-3
7x+5=9
Are they an equation or expressions?
Solution -
1.
An expression containing variables, numbers, and symbols.
An equation that has equal to sign.
a.)
5x - 3 = 12
It is an equation (because it has = sign)
b.)
6x - 3
It is an expression
c.)
7x + 5 = 9
It is an equation (because it has = sign)
2.
Variable is those whose values can be change. For example x, y, z...
Constant term whose values are fixed. For example 10, 4, 5
Numerical coefficient are the constants that placed just before the variable. For example in 4x- 4 is the variable coefficient.
a.)
5x-3=12
5 is Numerical Coefficient
12 and -3 is constant term
x is variable
b.)
6x-3
6 is Numerical Coefficient
-3 is constant term
x is variable
c.)
7x+5=9
7 is Numerical Coefficient
9 and 5 is constant term
x is variable
1.3 Genes and Chromosomes.
___ are sections of ___ that code for the production of DNA code.
Answer:
Genes and DNA
Explanation:
The chart shows the path reactants take to become products.
Which statement best describes the chart?
Heat was removed from the activation energy to create the product.
Heat was added to create the product.
The products have less energy than the reactants.
The products have the same energy as the reactants.
The statement which best describes the chart is Heat was added to create the product.
What is activation energy?
In the potential energy diagram, the height of the hill between the reactants and the products represents the activation energy for a reaction. The activation energy barrier is another name for the activation energy of a reaction. It is denoted by Ea.
How to reach the activation energy barrier?
Molecules become more energetic and move more quickly as the temperature rises. Therefore, the likelihood that molecules will be moving with the required activation energy for a reaction to occur upon collision increases with increasing temperature.
The statement which best describes the chart is Heat was added to create the product.
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Answer: B.Heat was added to create the product.
In eukaryotes the electron transport chain is composed of a series of electron carriers located in the blank of mitochondrion
Answer:
Facts that is right
Explanation:
In eukaryotes, the electron transport chain is composed of a series of electron carriers located in the inner membrane of the mitochondrion
The electron transport chain is composed of four large, multiprotein complexes. These protein complexes are formed of a series of electron carriers.
These complexes are embedded in the inner mitochondrial membrane and two small diffusible electron carriers shuttling electrons between them.These transfer electrons from electron donors to electron acceptors via redox reactions and joins this electron transfer with the transfer of protons across a membrane.Thus, in eukaryotes, the electron transport chain is composed of a series of electron carriers located in the inner membrane of the mitochondrion
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Na + MgF2 → NaF + Mg balance classification
Answer:
2Na + MgF2(make the 2 the ones that are small at the bottom cause I can't type it out-) turns into 2NaF + Mg
Explanation:
Now it is balanced because on both sides we have 2Na's, 1Mg and 2F's
What is the average cropland fraction for the small farms?
A) 10%
B) 25%
C) 50%
D) 75%
The average cropland fraction for the small farms is option B) 25%.What is cropland fraction? the correct option is B) 25%.
Cropland fraction is the percentage of land used for crops or agriculture. Cropland fraction is calculated as follows: Cropland fraction = (cropland area/total land area) × 100%.Cropland fraction for small farmsCropland is land that is mainly used for agricultural production. The average cropland fraction for small farms varies according to the size of the farm. Small farms usually have a higher percentage of cropland. The average cropland fraction for small farms is around 25%.
The average cropland fraction for small farms can vary depending on the specific region and agricultural practices. However, without further information or context, it is not possible to provide an accurate average cropland fraction for small farms.
The percentage of cropland can be influenced by factors such as farm size, location, climate, crop types, and farming techniques. It can range widely from less than 10% to more than 75%, depending on these variables.
Therefore, without specific information or a defined context, it is not possible to determine the average cropland fraction for small farms.
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