Read the conversation between two plant organisms X and Y, which
live together for mutual benefit and survival:-
X: ‘‘Thank you dear friend for providing me with water and minerals.’’
Y: ‘‘Don’t thank me. You also help me out by preparing and supplying food.’’
X: ‘‘That’s why we are best friends and are able to live happily together !’’
i) Identify organisms X and Y, What are they collectively called ?
ii) Name the special relationship between X and Y.
iii) Mention another example where a similar relationship is exhibited.

Answer:

gg

Explanation:

ggd

Answer: Tay-Sachs a disease caused by an absence of an enzyme that break down fatty substance causing damaged to nerve cells

It is ironic to have hunger and poor nutrition in a place like Virginia, known for its abundance of wealth and healthy crops, because the resources necessary to address these issues seemingly exist within the region.

The presence of wealth and fertile land capable of producing nutritious food suggests that hunger and malnutrition should not be prevalent. However, the irony arises from a combination of socioeconomic disparities, unequal distribution of resources, and systemic factors that hinder access to food and nutrition for certain populations.

This dissonance highlights the complex interplay between wealth, resources, and the challenges of ensuring equitable access to food and nutrition for all individuals within a given area.

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The amino acids in a protein polymer are connected by a covalent bond called a peptide bond that connects the carboxyl group of the first amino acid to the amino group of the second amino acid. Such successive amino acid bondings generate a protein polymer called a polypeptide.

A peptide bond is formed through a condensation reaction between the carboxyl group of one amino acid and the amino group of another amino acid. This bond results in the formation of a covalent linkage between the carbon and nitrogen atoms of the amino acids, creating a peptide bond. The successive formation of peptide bonds between amino acids leads to the generation of a polypeptide chain, which is the primary structure of a protein.

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The primary consumer is the organism that eats the producer. It gets the at least 10% of the energy stored in a producer. It is above the producer at the trophic level. It may be a herbivore or an omnivore.

ANSWER: Zooplankton, Herbivorous ducks, small planktivorous fish

Answer:

Air pollution harms human health and the environment. In Europe, emissions of many air pollutants have decreased substantially over the past decades, resulting in improved air quality across the region. However, air pollutant concentrations are still too high, and air quality problems persist. A significant proportion of Europe’s population live in areas, especially cities, where exceedances of air quality standards occur: ozone, nitrogen dioxide and particulate matter (PM) pollution pose serious health risks. Several countries have exceeded one or more of their 2010 emission limits for four important air pollutants. Reducing air pollution therefore remains important.

Air pollution is a local, pan-European and hemispheric issue. Air pollutants released in one country may be transported in the atmosphere, contributing to or resulting in poor air quality elsewhere.

Particulate matter, nitrogen dioxide and ground-level ozone, are now generally recognised as the three pollutants that most significantly affect human health. Long-term and peak exposures to these pollutants range in severity of impact, from impairing the respiratory system to premature death. Around 90 % of city dwellers in Europe are exposed to pollutants at concentrations higher than the air quality levels deemed harmful to health. For example, fine particulate matter (PM2.5) in air has been estimated to reduce life expectancy in the EU by more than eight months. Benzo(a)pyrene is a carcinogenic pollutant of increasing concern, with concentrations being above the threshold set to protect human health in several urban areas, especially in central and eastern Europe.

"Air pollution is causing damage to human health and ecosystems. Large parts of the population do not live in a healthy environment, according to current standards. To get on to a sustainable path, Europe will have to be ambitious and go beyond current legislation."

Explanation:

Sustainability is about maintaining the ecosystem diverse and productive, even attending the needs of production for humanity as well.

In order to do so, it's important to be careful about the disposal of any types of trash. So, avoiding to dispose of trash unnecessarily is really important, therefore A is correct. It is also important to avoid creating unnecessary trash, what happens when we chose to consume only water from plastic bottles, for example, instead of using reusable bottles. This means that B is also correct. Talking about not creating unnecessary trash, C is also correct, because it talks about avoiding single-use products. Also, avoiding the creation of unnecessary trash is related to E, because it's about avoiding excess packaging and/or avoid buying unnecessary items, reusing the same ones instead. Therefore, alternative D is incorrect, because while it talks about recycling it also incites the usage of plastic bags to dispose trash, which could be replaced by paper bags, for example.

Answer:

108 degrees

Explanation

Frank's body temperature was 108 degrees

Hope this helped!

The movement of the colored water drop in the apparatus is an indication of the rate of respiration in the locust.

Two other variables that the student needs to control are Diet and Temperature

The filter paper soaked in a liquid that absorbs CO₂ is placed in the apparatus to trap any CO₂ produced during the locust's respiration. When the locust breathes out, it releases CO₂, which is absorbed by the filter paper, creating a vacuum in the apparatus.

The colored water drop then moves to fill this vacuum. The faster the locust respires, the more CO₂ it produces, leading to a larger vacuum, and the faster the colored water drop moves to fill it. Therefore, the movement of the colored water drop in the apparatus is an indirect measure of the rate of respiration in the locust.

Diet: The locusts' diet can significantly affect their metabolism and respiration rates. Therefore, to ensure the validity of the results, the student must ensure that both male and female locusts are fed the same diet, in the same quantities, and at the same time intervals.

Temperature: The locusts' body temperature can also affect their respiration rates, so the student must control the temperature of the environment in which the locusts are kept. Ideally, the temperature should be maintained at a constant level that is optimal for the locusts' metabolic processes, and it should be the same for both male and female locusts throughout the experiment.

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Image transcribed:

A student uses this apparatus to investigate aerobic respiration in a locust.

coloured water drop

filter paper soaked in a liquid to absorb CO₂

locust

The coloured water drop moves during the investigation.

Explain why the coloured water drop moves during the investigation.

coloured water drop

filter paper soaked in a liquid to absorb CO₂

locust

The student compares the aerobic respiration of male and female locusts.

He uses three male locusts and three female locusts.

He uses locusts of the same age and the same species.

Explain two other variables that the student needs to control.

Answer:

So that they can maintain a large number of animals.

Explanation:

The animals will eventually die out because it's not eating enough of their "prey".

Answer:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ).

It is possible for large molecules to enter a cell by a process called endocytosis, where a small piece of the cell membrane wraps around the particle and is brought into the cell. If the particle is solid, endocytosis is also called phagocytosis. If fluid droplets are taken in, the processes is called pinocytosis.

Pedigrees in humans serve as a useful tool for geneticists to depict the matings and offspring of immediate ancestors in relation to a specific trait.

Pedigrees provide a visual representation of the genetic relationships within a family and can be used to study the inheritance patterns of specific traits or diseases. By analyzing the pedigree, geneticists can trace the transmission of a trait or condition across generations, identifying affected individuals, carriers, and unaffected individuals. This information helps in understanding the inheritance pattern and predicting the likelihood of a trait being passed on to future generations.

Pedigrees are particularly valuable in situations where controlled crosses are not feasible, as is the case in human genetics. They allow geneticists to study the occurrence and inheritance of traits in large families or populations. Pedigrees can also aid in identifying patterns of inheritance, such as autosomal dominant, autosomal recessive, or X-linked inheritance, which can provide important insights into the underlying genetic mechanisms.

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Answer:

Photosynthesis removes carbon dioxide naturally — and trees are especially good at storing carbon removed from the atmosphere by photosynthesis.

Explanation:

This is full explanation :)

Answer:

use and take?

Explanation:

they take in carbon dioxide and make it into glucose

The measure that best captures the impact of people and products on the planet is the D. carbon footprint.

Carbon footprint refers to the total amount of greenhouse gases, primarily carbon dioxide, emitted by an individual, organization, event, or product. These emissions contribute to climate change and other environmental issues, including air pollution and ocean acidification.

Carbon footprint is a widely recognized and accepted measure of environmental impact, and many businesses and governments use it as a tool to track and reduce their emissions. It is also increasingly used by consumers to make purchasing decisions and evaluate the sustainability of different products and services.

While there are other measures that can be used to assess environmental impact, such as green ratings, emission numbers, and recycling constants, these measures often focus on specific aspects of environmental impact and may not capture the full extent of an individual or organization's impact on the planet. Carbon footprint, on the other hand, provides a comprehensive measure of greenhouse gas emissions and their contribution to climate change, making it the most relevant and accurate measure of the impact of people and products on the planet. Therefore, Option D is correct.

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Answer:

Gregor Mendel

Explanation:

Gregor Mendel fue un naturalista, biogista y matemático que demostró por primera vez los principios de la herencia utilizando su trabajo sobre las plantas de guisantes.

Publicó su trabajo en "Experiments in Plant Hybridization" en el año 1866. Al controlar la polinización, Mendel pudo cruzar plantas de guisantes con diferentes formas de rasgos. En el primer conjunto de experimentos de Mendel, experimentó con solo una característica a la vez. Los resultados de este conjunto de experimentos llevaron a la primera ley de herencia de Mendel llamada ley de segregación (Bio Libretexts).

Six chlorine atoms make up the chemical product 2Al + 6HCl → 2AlCl3 + 3H2 product ion.

The fundamental unit of matter, the atom, is regarded as such.The smallest unit of matter that may be split without producing electrically charged particles is the atom. It is also the smallest piece of substance with chemical element-like characteristics.

Al CHl stands for aluminum chloride, H2 for hydrogen gas, and HCl for hydrochloric acid in this instance.

Aluminum reacts with hydrochloric acid in the example.

Aluminum chloride and hydrogen gas are the byproducts of the reaction 2Al + 6HCl → 2AlCl3 + 3H2

Calculating the number of chlorine atoms in the reaction's result indicates that there are 2*3=6.

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superior vena cava syndrome is a result of a progressive increase of thrombosis or external compression

Thrombosis occurs when blood clots block your blood vessels. There are 2 main types of thrombosis: Venous thrombosis is when the blood clot blocks a vein. Veins carry blood from the body back into the heart.

Venous thromboembolism (VTE) is a condition that occurs when a blood clot forms in a vein. VTE includes deep vein thrombosis (DVT) and pulmonary embolism (PE). DVT occurs when a blood clot forms in a deep veins, usually in the lower leg, thigh, or pelvis.

Being sedentary due to bed rest or sitting too long without moving, such as during travel. Family history of blood clots. Having a long-term (indwelling) catheter, a tube in a blood vessel. Obesity.

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Answer:

I think it's " C and D" not to sure about "C" but one of the answers is definitely " D"

Explanation:

Answer:

Codorminance.

Explanation:

The type of inheritance pattern is codorminance because in codorminance the two alleles in the gene are expressed, no allele was able to masked the express on the other allele. The chestnut colored horse allele is expressed likewise the white

colored allele too is expressed none of the two alleles mask the Expression of the other, the two are expressed to give offsprings roan colored which is an indication of the two expression.

Answer:

unfortunately, if the snail is deep inside its shell it is most likely ill.

Answer:

just poke it lightly or shake it

Answer:

Soil erosion is a naturally occurring process that affect all landform. One uss of minerals is Copper

Ultimate causes: an evolutionary explanation for behavior.

Proximate causes: mechanisms that underlie behavior

In terms of the influences of evolution, ultimate causation explains features.

As an illustration, female animals frequently show preferences for male display features, including songs. The most conclusive theory is that females who exhibit preferences have more virulent or more handsome male progeny.

In terms of direct physiological or environmental elements, proximate causation describes how biological processes work.

Example: In a mate choice trial, a female animal decides to mate with a specific male. One theory for the closest explanation is that one male produced a stronger signal, which caused the female to have higher hormone levels and exhibit copulatory behavior.

Although the behavior in these two examples is the same, the explanations are based on several reasons, some of which are evolutionary and some of which are physiological.

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The factor required for growth of a plant or phytoplankton that is available in the least supply is defined as Limiting factor.

The foundation of the marine food chain, phytoplankton fix over 50 Pg of carbon annually, or about half of the world's CO2 emissions. As a result, these tiny, photosynthetic creatures play a crucial role in regulating the amount of CO2 in the atmosphere and the climate of Earth. Due to phytoplankton's need on sunlight, its ability to repair CO2 is only possible in the upper, sunlit surface of the ocean (that is, the euphotic zone). Due to the high concentration of CO2 in saltwater, phytoplankton development is typically not restricted. Inorganic nutrients including inorganic nitrogen, phosphorus, iron, and/or silica, which are essential for primary production in the ocean, are, however, deficient in the great majority of the surface waters.

Growth of phytoplankton is primarily maintained by nutrient recycling or by the mixing-in of nutrients from deeper waters. However, only a small portion of primary production is supported by "external" or "new" nutrients, and it is the amount of carbon that can be permanently stored in the deep ocean as a result of these nutrients.

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Option 4 is Correct. To find undesired food additives or alternatives, microarrays might be employed.

A microarray is a laboratory technique used to simultaneously measure the expression of thousands of genes. A known DNA sequence or gene is contained in each of the thousands of small dots that are printed on microscope slides in certain locations. These slides are called DNA microarrays.

A high resolution test called a microarray is used to evaluate areas of homozygosity and very modest gains and losses (copy number variations) in genomic information (which might suggest an autosomal recessive condition). In a microarray study, a cell is dissected open, its genetic material is isolated, all the genes that are active in that specific cell are identified, and a list of those genes is produced. Scientists employ a method called DNA microarray analysis.

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Correct Question:

Microarrays can be used to

1. detect unwanted food additives or substitutes.

2. detect pathogens.

3. analyze global gene expression. and

4. detect unwanted food additives or substitutes.

Answer:A

Explanat

Both had a recessive blue allele in order for Coral to have blue eyes.

Answer:

A) This means that: both of Coral's parents had a recessive blue allele.

Explanation:

Eye color is determined by multiple genes, but for simplicity, let's consider a single gene with two alleles - brown (dominant) and blue (recessive).

Coral's parents both have brown eyes, so they must each have at least one brown allele. However, for Coral to be born with blue eyes when both parents have brown eyes, this means:

So in summary, for Coral to be born with blue eyes when both parents have brown eyes, it means that both parents must have at least one recessive blue allele, even though it is masked by their dominant brown allele. This allows them to pass on a blue allele to Coral.

Options B, C and D can be ruled out because there is no indication that Coral's parents lack a recessive blue allele (B), that Coral is adopted (C), or that Coral's parents only have dominant brown alleles (D).

Answer:

The answer is photosphere, convective zone, radiative zone.

Explanation:

The photosphere is a star's outer shell that emits light.

The convective zone is the outer-most layer of the interior.  Energy is carried by convection and the surface is where light is created.

The radiative zone is the layer of the sun that uses nuclear fusion within the core to create energy.  That energy then moves outward as electromagnetic radiation.

As the picture shows, the layers of the sun are the corona, chromosphere, photosphere, subsurface flows, convection zone, radiative zone, and the inner core.

Background: There is debate over the efficacy of directly observed therapy (DOT) for tuberculosis medication. The purpose of this comprehensive review was to synthesise data from studies comparing DOT and self-administered therapy (SAT) or various kinds of DOT for anti-tuberculosis medication.

Two independent evaluators examined multiple databases for pertinent randomised controlled trials (RCTs) and non-randomised studies. Two reviewers separately evaluated the risk of bias, and papers with a high risk of bias were excluded. One evaluator extracted the data, which was then double-checked by another. Cure and treatment effectiveness were the primary outcome metrics.

We included eight RCTs and 15 non-randomised studies, the majority of which were performed in low- and middle-income nations. There was no compelling proof that clinic DOT was superior than SAT.Both RCTs and non-randomised trials found that community DOT was more successful than SAT. Neighborhood DOT was as good as, if not better than, clinic DOT. The findings showed no statistically meaningful difference between family and non-family community DOT.

Conclusions: If community DOT by non-family members is more practical for patients and less expensive for health services than clinic DOT, it may be the best choice.