3 Explain why the average height of students is increasing in many parts of the world.​

Answer:

1.) Deletions

2.) Insertions

3.) Base substitutions

Explanation:

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The evolutionary approach to psychology relies on concepts such as adaptation, reproduction, and natural selection when explaining human behavior

Evolutionary psychology is the study of how individual human behaviors and mental processes emerge as a result of adaptive changes that have evolved over time.

This area of research combines cognitive psychology, social psychology, and evolutionary biology to explain how human minds have adapted to changing environmental pressures over millions of years.

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Answer:

A. Plants and/or animals relocated or died.

Explanation:

Plants and animals will eventually come back, so that is a short-term effect on the ecosystem.

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Answer:

c

Explanation:

Answer: Photosynthesis makes the glucose that is used in cellular respiration to make ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration.

Answer:

choice B

Explanation:

Bacteria are super small single-celled organisms that thrive in many environments.

Bacteria are single celled organism which are described as the prokaryotes. So, the correct option is B.

A prokaryote is defined as a single-celled organism that lacks a nucleus and other membrane-bound organelles. Prokaryotes were classified within the kingdom Prokaryota.

Prokaryotic cells are described as single-celled microorganisms that are the earliest known on Earth which include bacteria and archaea. Photosynthetic prokaryotes include cyanobacteria that photosynthesize that have a single cell membrane and, therefore, all reactions occur within the cytoplasm.

Bacteria are examples of the prokaryotic cell type, some example is E. coli.

Thus, Bacteria are single celled organism which are described as the prokaryotes. So, the correct option is B.

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The organism that would have a niche similar to that of an African fish eagle is the American bald eagle (option A).

A niche refers to a function within an ecological system to which an organism is especially suited.

The niche of an organism distinguishes that organism from other organisms and ensures its adaptation and survival.

According to this question, African fish eagles are large raptors that have a wide range across sub-Saharan Africa. They consume fishes mostly as preys.

This suggests that the organism that would have a niche similar to that of an African fish eagle is another organism with similar characteristics such as the American bald eagle.

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Answer:

The answer is 240.

6*4=24

24*10=240

Answer:

c.240

Explanation:

because you have to multiply 6 by 4 which gets you 24 then you times that by 10 as a result you have 240 as your answer

Answer:

The production of new individuals from their parents is known as reproduction.

The types of reproduction in plants are:-

asexual : There are several methods of asexual reproduction such as fragmentation, budding, spore formation and vegetative propagation.

Sexual: Sexual reproduction involves the fusion of male and female gametes.

\( \huge \boxed{\mathfrak{Answer} \downarrow}\)

Answer:

1. Hydrogen and oxygen

Explanation:

These help the plant survive.

In photosynthesis water molecules are split into Hydrogen and oxygen atoms.

Photolysis of water:

It is the process during the photosynthesis by which water molecules are split into hydrogen ions and Oxygen. In the process 2 electrons are also released.

\(\bold {H_2O \rightarrow 2H^+ + O + 4e^- }\)

Therefore, In photosynthesis water molecules are split into Hydrogen and oxygen atoms.

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Answer: Your answer is crossing over and independent assortment.

Explanation:

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The buccinator muscle and superior pharyngeal constrictor muscle are attached to each other at the posterior pharyngeal wall. Together, these muscles work to aid in the process of swallowing.

The buccinator and superior pharyngeal constrictor muscles are not directly attached to each other, as they serve different functions and are located in different areas of the head and neck.

The buccinator muscle is found in the cheek and is a part of the facial muscles. It helps in moving food during chewing and assists in the act of blowing.
The buccinator muscle is a thin, flat muscle located in the cheek, while the superior pharyngeal constrictor muscle is one of the three pharyngeal muscles located in the pharynx.
The superior pharyngeal constrictor muscle is a pharyngeal muscle located in the neck. Its primary function is to help in the swallowing process by constricting the pharynx.

Although they are not directly attached, both muscles work together to facilitate the process of chewing and swallowing food.

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Answer:The progress of science is the continuous accumulation of knowledge through observation, experimentation, and theory. It involves developing theories, using advanced technology, collaborating across disciplines, and rigorous peer review. Paradigm shifts and breakthrough discoveries challenge existing theories. Science's impact is seen through practical applications in medicine, technology, and other fields, improving our quality of life. It is an iterative process that refines our understanding of the natural world.

Explanation:

Plants require essential elements for growth. These can be divided into two types. The soil supplies relatively large amounts of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), potassium (K), sulfur (S), calcium (Ca) and, magnesium (Mg). And thus, these are called macronutrients. boron (B), chlorine (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn). In relatively small amounts, the plant also requires iron (Fe), manganese (Mn), boron (B), molybdenum (Mo), copper (Cu), zinc (Zn), chlorine (Cl), and cobalt (Co), which are called

Boron deficiency leads to the stout axis: true

Boron is involved in vegetative and reproductive cell growth. Deficiency of this nutrient is common. It is caused due to low Boron content in water or fertilizer or due to increased uptake of calcium which inhibits boron uptake. Boron deficiency leads to stunted and distorted growing tips. Therefore, the statement is correct.

B. Every mineral element that is present in a cell is needed by the cell: false

Minerals absorbed by the plants are generally utilized for their growth and development. But that is not true for all elements. Plants also absorb minerals like lead, silicon, uranium, silver, gold, etc that are not essential for growth. This phenomenon is mostly seen in plants growing near the mining areas. Thus the statement is false

C. Nitrogen is a nutrient mineral, is highly immobile in the plants: false

Minerals like nitrogen, phosphorus, potassium, magnesium, chlorine, zinc, and molybdenum are mobile nutrients in plants whereas calcium, sulfur, iron, boron, and copper are immobile nutrients. Thus the statement is false.

D. It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities: false

As plants require certain nutrients in trace quantities, it is difficult to establish their essentiality. Thus the statement is false.

Note: Plants take up essential elements from the soil through their roots and from the air through their leaves. The root, especially the root hair, is the essential organ for the uptake of nutrients. Thus, any alteration in the structure and architecture of the root can affect the rate of nutrient uptake. Nutrient uptake by plants is by simple diffusion, facilitated diffusion, or active transport.

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Answer:

John baptized unto the remission of sin, but Jesus had no sins to remit

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Answer:

Antibiotics save lives but any time antibiotics are used, they can cause side effects and lead to antibiotic resistance.

Since the 1940s, antibiotics have greatly reduced illness and death from infectious diseases. However, as we use the drugs, germs develop defense strategies against them. This makes the drugs less effective.

Over the course of human history, production and distribution have undergone significant changes.

Production and distribution methods have transformed dramatically over time. In ancient civilizations, production was primarily localized and centered around subsistence farming and handicrafts. Goods were produced for immediate consumption within local communities, with limited surplus for trade. Distribution involved bartering and local trade networks.

With the advent of industrialization and technological advancements, production shifted to large-scale factories and assembly lines. Mass production allowed for increased efficiency and the ability to meet growing demand. Distribution became more complex with the rise of transportation infrastructure, such as railways and later, highways. This enabled goods to be transported over long distances, connecting producers with consumers across regions and even continents.

In recent decades, globalization and the digital revolution have revolutionized production and distribution further. Global supply chains have become increasingly interconnected, allowing for the sourcing of raw materials and components from different countries. Information technology and e-commerce platforms have transformed the way goods are marketed and sold, enabling direct-to-consumer models and online retail.

Overall, the evolution of production and distribution has been driven by technological advancements, changing economic systems, and the increasing interconnectedness of the world. These changes have led to greater efficiency, expanded consumer choices, and the ability to reach broader markets. However, they have also brought challenges such as environmental concerns, labor issues, and the need for sustainable practices. Adaptation and innovation will continue to shape the future of production and distribution, as we navigate the complexities of a globalized world.

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All of the following describe Melzacks (2005) theory on pain called the Neuromatrix theory except that pain occurs due to external influences only.

Melzacks (2005) proposed a theory on pain called the Neuromatrix theory.

This theory was first proposed to explain phantom pain.

The theory suggests that the brain has a genetically defined neural network that enables the mind to be aware of pain, in addition to other sensory experiences.

Moreover, the neuromatrix sends out an impulse called the neurosignature that represents the pattern of the sensory inputs as well as the physiological state of the organism.

As a result, pain occurs when the neurosignature is simultaneously activated by multiple sensory inputs.

This theory of Melzack's provides a new understanding of how pain works.

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Variations in the anatomical part can affect contrast in several ways. As the part size increases, so does the number of attenuation increases, as well as the production of scatter radiation. This results in a loss of contrast.

X-ray is a  quick medical procedure used to produce images of the insides of the body. Here are several ways that anatomical parts can affect the contrast in the pictures x-ray produce:

First, different tissues have different densities, which can affect how much x-ray radiation is absorbed and how much is transmitted through the body. This can result in differences in contrast between different parts of the body.

Second, the size and shape of the anatomical part can also affect contrast. Larger or thicker parts may absorb more radiation, resulting in less contrast, while smaller or thinner parts may absorb less radiation, resulting in greater contrast.

Finally, the presence of contrast agents, such as iodine or barium, can also affect contrast by increasing the absorption of x-ray radiation in certain areas of the body.

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Answer:

The statement "Mitochondrial DNA is an exact match to nuclear DNA" does not support the theory of endosymbiosis.

The theory of endosymbiosis proposes that mitochondria and other cell organelles (such as chloroplasts) originated as free-living bacteria that were engulfed by other cells in a symbiotic relationship. According to this theory, these organelles have their own DNA and can replicate independently of the cell.

The other statements you provided ("Mitochondria and bacteria have a similar DNA structure," "Mitochondria can replicate independently of the cell," and "Mitochondria have circular DNA like bacteria") all support the theory of endosymbiosis. These observations are consistent with the idea that mitochondria (and other cell organelles) evolved from free-living bacteria that were engulfed by other cells.

Garrod's studies on inborn errors of metabolism and Beadle and Tatum's work with Neurospora led to the important conclusion that genes control the synthesis of enzymes, which in turn control metabolic pathways. They also showed that mutations in genes can lead to defects in enzymes and metabolic pathways, leading to genetic diseases. This paved the way for the study of molecular genetics and the understanding of the relationship between genes, enzymes, and metabolic pathways. The work of Garrod, Beadle, and Tatum laid the foundation for the modern field of genetics and had a significant impact on the understanding and treatment of genetic diseases

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In incomplete dominance, the phenotype that we obtain is a mixture expression of both alleles. In this case, the genotype of both alleles (red and white) will produce heterozygous genotype (RW) with pink flowers.

Incomplete dominance is a form of Gene interaction in which both alleles of a gene at a locus are partially expressed, resulting in an transitional phenotype. Mostly known as partial dominance.

Incomplete dominance characteristics may include Pink flowers of four o'clock flowers Mirabilis jalapa in which The allele for red flowers is incompletely dominant over the allele for white flowers. Red + white = pink. other example includes physical characteristics in humans, such as hair color, hand sizes, and height.

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A. Smoking cigarettes can causes air pollution inside the house.

In general most of the indoor air pollution are caused from sources that are responsible for releasing gases or particles into the air. Materials  Like building materials and air fresheners contributes in pollution constantly. The main sources of pollution includes tobacco smoke and wood-burning stoves also cause indoor pollution.

Other reasons for pollution includes Vehicle emissions, fuel oils and natural gases, other sources includes by-products of manufacturing and power generation these are mainly power plants having coal, and fumes from chemical plants contributes as the primary sources of human-made air pollution.

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Alternate forms of the same gene are called alleles.

Each gene has a specific location on a chromosome, and different versions of the same gene can exist at that location. These different versions are the alleles.

Each allele may have a slightly different DNA sequence, leading to different variations in the trait that the gene controls. For example, the gene for eye color may have different alleles for brown eyes, blue eyes, and green eyes. It is important to note that while each individual has two copies of each gene, one from each parent, they may have the same or different alleles for that gene.

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The type of damage that is most likely to be detected, and therefore corrected, by the excision repair machinery of a cell is damage to DNA caused by ultraviolet (UV) radiation or other environmental factors that distort the double helix structure of the DNA. It is estimated that a human cell acquires thousands of DNA lesions every day from both endogenous (internal) and exogenous (external) sources of DNA damage.

Excision repair machinery is a type of DNA repair machinery that helps to correct any errors in DNA sequences that occur due to external or internal factors. Excision repair machinery corrects errors in DNA sequences by detecting and removing any damaged DNA sequences before they can be replicated. Excision repair machinery is especially useful in correcting damage to DNA caused by ultraviolet (UV) radiation or other environmental factors that distort the double helix structure of the DNA.Damage to DNA caused by environmental factors can lead to mutations and other errors that can cause cancer, aging, and other health problems. By detecting and repairing DNA damage, the excision repair machinery of a cell helps to prevent these types of health problems from developing.

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Answer:

The ozone layer protects living organisms on earth by protecting us from to much ultraviolet radiation that comes from the sun.

Explanation:

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Answer:

It protects living organisms on Earth by protecting us from the ultraviolet radiation given from the sun.

Explanation:

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The components of gene expression are DNA replication, transcription, and translation. Option A, B and E are answers.

DNA replication is the process by which the DNA molecule is copied to produce two identical DNA molecules. This occurs during cell division and ensures that each daughter cell receives a complete set of genetic information.

Transcription is the process by which the information encoded in DNA is transcribed into messenger RNA (mRNA). This occurs in the nucleus of eukaryotic cells and involves the synthesis of an RNA molecule that is complementary to a specific DNA segment.

Translation is the process by which the mRNA molecule is used as a template to synthesize a protein. This occurs in the ribosomes of the cell and involves the reading of the mRNA sequence by transfer RNA (tRNA) molecules, which bring the corresponding amino acids to the ribosome. The amino acids are then joined together to form a protein chain.

Meiosis is a process of cell division that occurs in reproductive cells, leading to the formation of gametes (sperm and egg cells) with half the number of chromosomes. It is not directly involved in gene expression.

Mutation refers to changes in the DNA sequence and can occur during DNA replication or as a result of external factors. While it can affect gene expression, it is not a component of the process itself.

Option A, B and E are answers.

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Answer:

To become pregnant, the following steps must occur: Sperm transport — The sperm must be deposited and transported to the site of fertilization. Egg transport — Ovulation must occur and the egg must be "picked up" by the tube. Fertilization and embryo development — Union between the sperm and egg must result.

Explanation: