The process of meiosis ensures that organisms will have __________.
a.
a different haploid number than its parents have
b.
different numbers of chromosomes than its parents have
c.
the same diploid number as its parents have
d.
the ability to reproduce by budding
Answer:
c
Explanation:
What is a cost of using technology to transport water?
A. Crops can be irrigated and grown in new areas.
B. Cities can be built in otherwise uninhabitable areas.
C. Freshwater supplies can be depleted in an area.
D. Floods can be averted in flood-prone areas.
Answer: C. Freshwater supplies can be depleted in an area.
Water transportation refers to the intentional transfer of water from one geographic location to the other. The methods used to transfer water to long distances includes three categories:
1. Aqua ducts: This includes the transfer of water through pipes, canals and tunnels.
2. Container shipment: This includes transfer of water by using a vehicle or mode of transportation such as tank truck, tank ship and tank car.
3. Towing: This also includes a vehicle to pull water in it's solid form that is ice or in liquid state. Example a tugboat is used to pull an iceberg or pulling a large water bag along with it.
The water being transported by this method is usually from the natural water reservoir native of a land such as lakes, ponds, and rivers. With the increase in the supply and transportation of fresh water will result in depletion of water in the water source of the native land. The native population will not receive adequate water necessary for sustaining life in future.
Therefore, freshwater supplies can be depleted in an area is a cost of using technology to transport water.
The nurse caring for a client after hip surgery enters the room to take the client's vital signs. which precaution(s) should the nurse use? (select all that apply.)
Rosa made a chart to summarize the characteristics of two types of social behavior.
Which headings best complete the chart?
X: Herding
Y: Cooperative Hunting
X: Flocking
Y: Migrating
X: Cooperative Hunting
Y: Herding
X: Migrating
Y: Flocking
Answer:
The correct answer is that X is herding and Y is cooperative hunting.
Explanation:
Herding refers to the act of animals that form groups at the time of grazing in the field. It enhances the protection of the individual member of the group by developing confusion in the mind of the predator. Herding can also enhance the occurrences of finding a mate as the animals stick close to each other, thus, there are exhibits a greater chance of reproductive success.
On the other hand, cooperative hunting refers to the act of hunting animals in packs. It is generally followed by animals like wolves and lions. These carnivores corner the prey to separate them from their herds and hunt them. This enhances the chances of effectively catching the prey.
The nurse is assessing the nutritional status of a 3-month-old baby. the mother informs the nurse that she feeds the baby with cow's milk mixed with one spoon of honey. what should the nurse advise this mother to do? select all that apply
Which two structures would provide a positive identification of an animal cell under a microscope?
A. lysosome, flagellum
B. Golgi apparatus, mitochondrion
C. plasma membrane, endoplasmic reticulum
D. cell wall, chromatin
How are different populations able to live in the same community?
Which hypothyroid diagnosis is supported by low levels of tsh?
a. secondary
b. autoimmune
c. atypical
d. primary?
The nurse is planning to percuss the back of an adult male client for diaphragmatic excursion. how should the nurse begin the assessment?
Diaphragmatic excursion is the movement that the diaphragm makes during breathing. The first thing to ask the patient is to exhale and hold it.Then the nurse percusses down their back in the intercostal spaces, starting below the scapula, until sounds change from resonant to dull (lungs are resonant, solid organs are dull).
Where are nonpolar amino acids of a protein more likely to be found? check all that apply?
All objects will remain at ___ or will continue to move at a constant ___ in the same ___ unless acted upon by an unbalanced ___. this property is called ___
__________ of the plant glossopteris provided evidence for wegener's hypothesis for continental drift
PLS HELP!!!! You put an egg in vinegar for three days and it expands 2 and 1/2 cm. What type of transport is used?
What is "feminism"? describe how it has evolved in the united states?
Final answer:
Feminism is an ideology that seeks to achieve gender equality and has evolved through several waves in the United States, from the suffrage movement to contemporary feminist activism that addresses a broad spectrum of issues.
Explanation:
What is Feminism?
Feminism is a movement and ideology that advocates for equality between the sexes, aiming to eliminate sexism and promote equal rights in all spheres of life. Originating as féminisme in French, the concept of feminism has significantly evolved over time. It became widespread in the United States throughout the 20th century, aligning with the Women's Movement that fought for suffrage and later expanded to address diverse women's issues.
Evolution of Feminism in the United States
The first wave of feminism was characterized by the women's suffrage movement, with activists like Elizabeth Cady Stanton working towards gaining the right to vote, which was achieved in 1920. The second wave in the 1960s shifted focus to broader issues such as reproductive rights, equal employment, and challenging gender roles. By the 1970s, feminist activism had made inroads into various fields, including the art world, pushing for equality and representation. Despite differences, by the 1980s, advances such as improved employment opportunities and access to health and education were significant feminist achievements.
Modern feminism encompasses a wide range of perspectives, recognizing the diverse experiences of women, including but not limited to women of color, working-class women, disabled women, and those from different sexual orientations and religious backgrounds. This inclusive approach, as argued by feminists like Barbara Smith, seeks to free all women from the constraints of sexism and societal expectations.
How to differentiate between cervical and thoracic vertebrae?
In 1994, the comet Shoemaker-Levy 9 was observed hitting Jupiter. It was the first time that humans observed a comet hitting a planet in the solar system. How would this finding affect the status of the outside-in model and the inside-out model, in terms of the models being elevated to a possible theory?
It supports the outside-in model but more observation is needed to elevate this model to a theory.
It supports the outside-in model and justifies the model's elevation to a theory.
It supports the inside-out model but more observation is needed to elevate this model to a theory.
It supports the inside-out model and justifies the model's elevation to a theory.
Answer:
The answer is: It supports the outside-in model but more observation is needed to elevate this model to a theory.
Explanation:
For the models to become a theory, they have to be studied and produced a number of times to reach that level, just as custom creates the habit.
The answer is: It supports the outside-in model but more observation is needed to elevate this model to a theory.
Why is it more difficult to estimate heritability in humans than in livestock or laboratory animals?
Answer:
It is more difficult to predict heritability in humans in comparison to laboratory animals or livestock is because humans cannot be used in the selective breeding experiments, which the animals go through. The artificial selection or the selective breeding refers to a procedure in which the laboratory animals are bred for a specific phenotype or trait. This procedure has been long used in experimental medical research.
Trans fats ____.
a. lower ldl or "bad" cholesterol levels
b. are essential in the diet
c. are most likely found in baked foods and fried foods
d. increase hdl or "good" cholesterol levels
e. are liquid at room temperature
Trans fats increase LDL or "bad" cholesterol levels. Option A is correct.
Trans fats are a type of fat that is found in some processed foods. They are created when vegetable oils are hydrogenated, which is a process that adds hydrogen atoms to the oil. This process makes the oil more solid and shelf-stable. However, it also makes the oil more unhealthy.
Trans fats can raise LDL cholesterol levels, which is a type of cholesterol that can increase the risk of heart disease. They can also lower HDL cholesterol levels, which is a type of cholesterol that can help protect against heart disease.
Trans fats are most likely found in baked foods and fried foods. They are also sometimes found in margarine, shortening, and some types of cooking oils. Limit your intake of trans fats. The American Heart Association recommends that you eat no more than 1% of your daily calories from trans fats. This is about 2 grams of trans fats for someone who eats 2,000 calories a day. Option A is correct.
To know more about the Cholesterol, here
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If the inner lining of the air sacs is neither thin nor highly vascularized, then what can be inferred about the ai
Final answer:
If air sacs are not thin or highly vascularized, the efficiency of the animal's respiratory system would be lowered, hindering gas exchange and oxygen uptake, thus affecting the overall metabolic efficiency.
Explanation:
If the inner lining of the air sacs is neither thin nor highly vascularized, we can infer that the efficiency of gas exchange in the animal’s respiratory system would be compromised. The thinness and vascularization of the air sacs are crucial for quickly diffusing oxygen into the blood and removing carbon dioxide from it. Therefore, the air sacs must be thin and highly vascularized to ensure efficient gas exchange.
In animals with a flow-through respiratory system, such as birds, air sacs play a vital role in keeping the animal light and facilitating a continuous flow of air through the lungs, which is different from the tidal flow found in mammals. This continuous flow allows for more efficient oxygen uptake. Without thin and well-vascularized air sacs, this system would not function properly, likely leading to reduced oxygenation of the tissues and therefore lower overall metabolic efficiency.
Neisseria meningitidis is able to survive inside macrophages and be transported throughout the body in them. neisseria meningitidis is able to survive inside macrophages and be transported throughout the body in them.
a. True
b. False
Georgia’s Coastal Plains region includes about 60% of the state. Long ago this area was part of the Atlantic Ocean and completely covered by water. A unique wetland feature of the Southeastern Coastal Plain is the Carolina Bay. Carolina Bays are oval shaped wetlands found from Maryland south to Georgia. Some support permanent lakes while others experience more irregular water levels. Carolina Bays range from 6 to 30 feet deep and from several acres to 6,000 acres in size. Due to varying water levels, the vegetation differs dramatically from one Bay to another. Some are characterized by cypress forests, others marsh and some shrub bogs. Georgia is home to more than 1,000 Carolina Bays, covering 250,000 acres.
Carolina Bays along with cypress and gum ponds are important inland wetlands that provide habitat for a wide range of plants and animals. Carolina Bays tend to have some peat development, which is a layer of partially decomposed plant matter. Several Georgia Bays have peat deposits over 14 feet deep, the end product of about 9,000 years of plant decomposition and periodically, these peat deposits catch fire and burn usually about every 25 years. This fire plays an important role in the maintenance of Carolina Bays. How?
A) The fires keep the Carolina Bay habitat from becoming overgrown with vegetation.
B) The fires in the Carolina Bays help to dissipate dangerous chemicals dissolved in the groundwater.
C) The fires in the Carolina Bay areas drive out invasive animal species that out-compete native species.
D) The fires throughout the Carolina Bays help to keep the plant species consistent throughout the states.
Answer:
A) The fires keep the Carolina Bay habitat from becoming overgrown with vegetation.
Explanation:
Peat is an organic material consisting of elements from the decomposition of plants. This material is brown in color (dark or light depending on the type) and is very rich in charcoal. Its nature depends on the environmental conditions present in its formation. It is mainly used in gardening as part of the substrate, but is also beneficial in natural environments as it promotes soil protection, organic matter supply, higher water porosity and higher soil retention. However, it is important that from time to time excess peat be removed from natural environments, otherwise peat can take over an entire space and leave a habitat overgrown. The removal of this excess peat is what explains the advantage of natural fires occurring in the Carolina Bay habitat, the advantage is that fires prevent the Carolina Bay habitat from being overgrown.
Katie designed an experiment to show a water cycle process. The steps of the experiment are shown below. Pour some water into a small plastic cup. Place the cup carefully into a dry zip lock bag. Zip the bag and keep it in the sun. Observe that the level of water in the cup decreases after one day. Which of these processes in the water cycle is demonstrated by Katie in the experiment?
Answer: Evaporation process
Explanation: The water cycle refers to the cyclic process, how water is transferred from one form to the other. Water from the oceans, seas and rivers gets evaporated due to heating, and rises up into the atmosphere forming water vapor, and in association with that, some of the water is also released into the atmosphere from the plants by the process of evapo-transpiration. This later then gets accumulated in the atmosphere and condenses and falls back as rain.
The water that falls on the surface of the earth again undergoes various processes. Some part of the water gets percolated through the ground and mixes up with the ground water. Some water flows as surface run of and mixes with the rivers and lakes that ultimately mixes up with the ocean water and some of the water is absorbed by the plant roots.
This maintains a cyclic process and this circulating pattern of water plays a significant role in the various weather patterns.
Thus, in the given condition, katie's experiment showed the process of evaporation, where she collected the water in a zip lock bag. The water decreases due to the evaporation process.
Does thyroid hormone level affect oxygen consumption in cells?
According to Cpankau's interactive graph and data of "Does Thyroid Hormone Level Affect Oxygen Consumption in Cells?" is a bar chart, showing Col2; with Thyroid Hormone Level in the x-axis and Oxygen Consumption Rate (nmol O2/min x mg cells) in the y-axis.
Comment on how the fossil evidence of early life supports or contradicts the endosymbiotic theory
Final answer:
The fossil evidence of early life supports the endosymbiotic theory, which suggests that eukaryotic cells evolved from a symbiotic relationship with mitochondria and chloroplasts.
Explanation:
The fossil evidence of early life supports the endosymbiotic theory. This theory suggests that eukaryotic cells evolved from the symbiotic relationship between ancestral prokaryotic cells and mitochondria and chloroplasts.
The fossil record shows that mitochondria and chloroplasts are present in eukaryotic cells but not in prokaryotic cells. This supports the idea that these organelles were once free-living prokaryotes that were engulfed by a host cell and developed a symbiotic relationship with it.
Additionally, genetic sequencing and phylogenetic analysis have revealed that mitochondrial and chloroplast DNA are highly related to their bacterial counterparts, further supporting the endosymbiotic theory.
Fossil evidence supports the endosymbiotic theory by indicating a timeline that matches the proposed evolutionary path and by showing early eukaryotic cells with prokaryote-like structures.
The endosymbiotic theory posits that certain organelles in eukaryotic cells, particularly mitochondria and chloroplasts, originated as free-living bacteria that were engulfed by a precursor to modern eukaryotic cells. Fossil evidence of early life provides support for this theory in several ways.
Firstly, the presence of prokaryotic microfossils dating back 3.5 billion years suggests that prokaryotes were the dominant life forms long before eukaryotes appeared.
This timing aligns with the idea that eukaryotes evolved from prokaryotic ancestors. Fossil evidence indicates that eukaryotic cells appeared around 1.5-2 billion years ago, which supports the timeline proposed by the endosymbiotic theory.
Secondly, the fossil record includes evidence of primitive eukaryotic cells with structures resembling modern mitochondria and chloroplasts. These structures are consistent with the hypothesis that these organelles were once independent prokaryotic organisms.
However, fossil evidence alone cannot fully confirm the endosymbiotic theory. Genetic and molecular data, such as the similarity between the DNA of mitochondria, chloroplasts, and certain bacteria, provide additional support for the theory.
What term describes when a young animal becomes capable of successful reproduction?
The answer is puberty and maturation. In this stage of reproduction the fertilization occurs in which new development of an organism arises. It simply means the birth of new specie and this is where animals became capable of successful reproduction.
Which question about dinosaurs is a scientific question?
Should scientists try to clone dinosaurs from DNA remains?
Is the skeletal structure of a tyrannosaurus or brontosaurus more interesting?
How big was the average velociraptor?
Why do people believe that dinosaurs existed?
A scientific question about dinosaurs would involve an inquiry that can be answered through scientific evidence and logical arguments.
Explanation:A scientific question about dinosaurs would involve an inquiry that can be answered through scientific evidence and logical arguments. The question, 'Should scientists try to clone dinosaurs from DNA remains?' is a scientific question because it can be supported or refuted based on scientific evidence and experimentation. The question, 'Should scientists try to clone dinosaurs from DNA remains?' is a scientific question because it can be supported or refuted based on scientific evidence and experimentation.
Final answer:
The question 'How big was the average velociraptor?' is a scientific question that can be answered through paleontological evidence and contributes to our understanding of dinosaur ecology and evolution.
Explanation:
The scientific question related to dinosaurs among the choices provided is: How big was the average velociraptor? This question can be approached through scientific evidence such as measuring fossils and comparing them with data from known specimens. Understanding the size of velociraptors can contribute to a better comprehension of their ecology, behavior, and physiological constraints, which falls under the scope of paleontology. In contrast, questions regarding whether to clone dinosaurs or the level of interest in skeletal structures are less scientific, as they involve ethical considerations and subjective preferences, respectively. Similarly, the question of why people believe dinosaurs existed focuses on sociology and psychology rather than pure science. Studying dinosaurs, including velociraptors, ties into larger scientific inquiries about evolution, animal physiology, and environmental adaptation.
Which characteristic makes a cell membrane selectively permeable answer?
the chemical nature of a membrane
_______ can be broken down in a human's liver and converted to atp
Answer:
(lactic acid) is the correct answer.
Explanation:
lactic acid can be broken down in a human's liver and converted to atp.
Cori cycle is the metabolic pathway, in this lactate which is produced by the method of anaerobic glycolysis.
The tolerance level of lactic acid is very limited in the human body,So the Lactic acid from the muscle moves out and enters the liver. As it enters into the human liver gets broken down, then it is converted into glucose and ATP.
what types of rocks are formed by the processes powered by the sun
igneous is the answer
Match each vocabulary term to its definition.
1. electrons positively charged, subatomic particles
2. element a heterogeneous mixture
3. solution a homogeneous mixture
4. compound a substance with only one type of atom
5. protons two or more elements that have been chemically combined
6. colloid negatively charged, subatomic particles
Explanation:
An atom contains three sub-atomic particles as protons, neutrons and electrons.
Protons are positively charged, neutrons have no charge and electrons are negatively charged.
An element is a substance that contains same type of atoms. For example, Na is an element.
A solution is a mixture of two or more substances mixed together in uniform composition. Hence, it is also known as a homogeneous solution.
A compound is a substance that contains two or more different atoms chemically combined together in similar composition.
A colloid is a substance in which particles are present in a microscopically dispersed phase throughout a dispersion medium. Physical distinction can be done between the dispersed phase and dispersion medium. Therefore, a colloid is a heterogeneous mixture.
Hence, we match each vocabulary term to its definition as follows.
1. electrons - negatively charged, subatomic particles.
2. element - a substance with only one type of atom.
3. solution - a homogeneous mixture.
4. compound - two or more elements that have been chemically combined.
5. protons - positively charged, subatomic particles.
6. colloid - a heterogeneous mixture.