Choose the best answer.A hard, tubular, modified scale attach to the body that enables birds to fly and provides insulation is a _________.featherbeaksscalescartilagefins

Answer:

D

Explanation:

The digestive, respiratory and circulatory systems are controlled  by the: d. autonomic nervous system

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Answer:

Biodiversity is the variety of different types of organisms in the world or a particular area or ecosystem which is found to be very desirable and significant. Different types of plants, animals, and other organisms all are included in biodiversity and each has its own role.

Biodiversity of a biosphere or a region affects all organisms found in it from microbes to large plants and animals. Biodiversity gives an idea about a biosphere as it helps in the sustainability of all life forms if there are higher species variety.

Human beings need to broaden the understanding and knowledge of biodiversity as it is one of the major aspects that affect life all organisms present on earth.

Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.

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Cytosine pairs with Guanine.

The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.

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Answer: The tissue structure of the liverworts restricts them to a type of environment that affects their size.

Explanation:

Nonvascular plants, also called the Bryophytes in Kingdom Plantae, are simple plants that grow in damp places on land and as the name implies, are non vascular plants( that is, they lack vascular tissues). There are three types of nonvascular plants which includes:

--> Mosses

--> liverworts and

--> hornworts.

Liverworts are restricted to a particular size through the type of tissue they have ( non vascular) because it predisposes them to lack conducting vessels like the phloem and xylem found in vascular plants which aids in conducting water and food to various parts of the plants. Also they do not grow tall like the vascular plants because they lack the qualities that will enable them do so, such as roots, stems and leaves.

Nonvascular plants are low-growing, reproduce with spores, and need a moist or damp environment.

The body is composed of many parts. The parts of the body make it possible for the body to work very well.

The body is composed of many parts. The parts of the body make it possible for the body to work very well. Now all the parts of the body play various roles but all the roles that are played by the parts of the body have the grand purpose of making the body to work.

Foe instance, the eyes enables us to see while the leg moves us form place to place. The entire skeletal system assist in making this movement possible.

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Answer:

Here’s a hypothesis: IF bananas turn black as they age, THEN the problem of bananas turning black is caused by their age.

Answer:

This methodology enables to measure simultaneously both the result and exposure in the group under study

Explanation:

A cross-sectional method is a type of scientific design based on observational data. The cross-sectional studies involve the use of diverse groups that differ in the variable investigated but share other features (for example, individuals with the same educational background, ethnicity, economic status, etc). This class of studies is generally used in developmental psychology.

Answer: (A) An error in a gamete cell that is involved in producing offspring is most likely to result in genetic variation among organism

Explanation:

Replication Error is also known as DNA replication error. It refers to the mistakes to inaccuracies that occur during the process of DNA replication. This can have various consequences, depending on their location and impact on gene function.

Gamete cells are responsible for the transmission of genetic information from one generation to another. Error in the replication of DNA in sperm or egg can lead to a change in genetic code which can eventually result in genetic variation among organisms.

All the other options given in the question are not a result of replication errors.

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Answer:

A. an error in a gamete cell that is involved in producing offspring

Explanation:

test approved

Answer: because the flu is not liquid it is air born even in your body it is airborn so it floats through your orgons and through any thing in its way even through the heart

Explanation:

The answer is they have more rod cells

Answer:

A cold front forms at the leading edge of the colder air mass the cold front can bring thunderstorm in the region whereas the occluded front can bring strong winds and precipitation. so its probably d

Occluded fronts cause rapid changes in weather conditions, while cold fronts cause widespread cloud formation. Therefore, option (D) is correct.

Because of their different densities, large masses of warm air and cold air do not mix when they come into contact with one another. They instead organize themselves into a front that is typically hundreds of miles long. When a warm air mass is sandwiched in between two cold air masses, the result is a phenomenon known as an occluded front. The mass of warm air rises as the masses of cool air push against one another and meet in the middle. The warm air mass is occluded, which literally means "cut off," from the ground, and pushed upward, which causes the temperature to drop. These types of fronts are known to bring blustery winds and significant precipitation.

Occluded fronts typically develop near low pressure areas that have reached their mature state.

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Answer:

The medullary cavities are found deep in the diaphyses of long medullary cavities bones and are filled with yellow marrow in the adult.

Osteocytes maintain contact with neighboring osteocytes in adjacent lamellae via dendrite-like extensions through canaliculi.

Filled with osteocytes, which are osteoblasts encased in matrix, lacunae are found between layers of concentric lamellae.

Located in the middle of osteons, the central canal contain the blood vessels, and nervous supply of the compact bones

Explanation:

- The medullary cavities are central cavities in the bones. In adults, these cavities are filled with yellow marrow  (adipose tissue).

- The canaliculi are small protoplasmic projections between the lacunae of ossified bones.

- The astrocytes are the most common type of bone cell.

- The lacunae are spaces where osteocytes are located in the mature bones

-  The central canal provides nourishment to the osteocytes which collectively form the osteon.

Answer:

Because it helps us by different ways.Like forests helps us by taking carbon dioxide and by throwing out Oxygen. Water helps us in different types of household works like cooking,bathing, e.t.c

Answer:

mostly natural things are the base for our man made stuff..so without natural things no made made things would exist

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Answer:

1 is C) know what kinds of birds are common to the area.

2 is D)    main idea and details

Explanation:

I had it on a test hope this helps

Answer: C

Explanation: Know what kinds of birds are common to the area

Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.

Mechanisms that facilitate sexual reproduction in plants are examples:

1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.

This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.

Examples include flowering plants like roses, sunflowers, and apple trees.

2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.

The mature seeds can disperse and germinate to give rise to new plants.

Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.

3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.

The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.

4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.

This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.

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Answer:

Scavenger behavior

Explanation:

This scene would be described as scavenger behavior because the pack is picking up where the previous predators left off. An example of this would be an already dying zebra being attacked by a pack of hyenas.

D - The meiosis process results in the split of the cell into 4

Answer:

density

Explanation:

the warm currents are usually at the surface because they are less dense then the cold currents the colder current is the farther down in the ocean it will be

A cladogram showing the evolution of traits in the mentioned organisms is given below in the image

The common progenitor of all living entities is situated at the foundation of this cladogram. The initial division point directs toward fish that have a backbone.

The succeeding point of divergence signifies the emergence of amphibians encompassing frogs, that acquired vertebrates and four limbs. Another branch on the diagram indicates the evolution of reptiles, illustrated by lizards, which acquired new traits such as amniotic eggs and egg shells.

The subsequent juncture of division symbolizes the point where mammals and reptiles diverged from each other. Mammals, comprising of species such as rodents and gorillas, possess the common characteristics of having vertebrae, four extremities, amniotic eggs, and hair/fur.

The final category signifies the advancement of avian species, which acquired amniotic eggs and hard egg casings in conjunction with their pre-existing characteristics.

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blocks TRAP pathway:peptide 2\

blocks agr pathway:peptide 1, peptide 3

blocks both pathways:n/a

Exercising mutants that are now hindered for one of the pathways is a straightforward system for figuring out which pathway every peptide follows up on. Peptides 1 and 3 both inhibit poison stashing in the TRAP- mutant, which has a working agr pathway. thus, you know that peptides 1 and 3 block the agr pathway.

By relative explanation, peptide 2 inhibits poison stashing in the agr- mutant, which has a performing TRAP pathway. thus, you know that peptide 2 blocks the TRAP pathway.

Since you have distinguished important in vitro impediments of TRAP and agr maturity detecting pathways, you choose to test their handiness in live towel exercising and in vivo mouse model.

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The most pressing issue the world is facing right now is the COVID-19 pandemic. This issue has had far-reaching consequences on a global scale, affecting health, economies, and social systems.

As a result, it has become more important than ever to invest in the healthcare industry and develop new treatments and vaccines to prevent the spread of the virus and improve health outcomes for all.

Biomedical Science at Aston University is a program that is perfectly suited to addressing this pressing issue.

The programme focuses on understanding the biological processes that lead to disease, including infectious diseases such as COVID-19.

By studying biomedical science, I will be equipped with the knowledge and skills needed to develop new treatments and therapies that can help to combat the virus and prevent it from spreading further.

In addition to this, biomedical science also has a significant role to play in the development of new diagnostic tests, which are critical to identifying and isolating individuals who have been infected with COVID-19.

Through my studies at Aston University, I will be able to contribute to the ongoing efforts to combat the pandemic and help make a positive difference in the world.

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Answer:

Sherlock Holmes

Explanation:

He was the inspiration. Not the actual Holmes.

Answer:

Joseph Bell  (2 December 1837 – 4 October 1911) was a Scottish surgeon and lecturer at the medical school of the University of Edinburgh in the 19th century.

The research process has been beneficial in providing insights into a topic. By looking at a topic through the lenses of research, I can gain knowledge and better understanding of the subject. I can also explore different perspectives, identify key stakeholders, and develop theories and hypotheses.

A hypothesis is a proposed explanation for a phenomenon or set of phenomena, often based on prior research, observation, and/or logical deduction. It is used in a variety of disciplines, including science, mathematics, and philosophy. A hypothesis may be tested through experimentation or observation, and is typically used to make predictions about the natural world. In science, it is an educated guess about the outcome of a test or experiment.

Some of the potential benefits of further research include the ability to test theories and hypotheses, identify and analyze data, and draw conclusions. Further research can help to fill in knowledge gaps, develop and refine research questions, and provide evidence-based recommendations and solutions.

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Answer:

i think the answer is c

Explanation:

before the limestone was deposited

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Answer:

Plants don't have sensation of time, at least that we know till now. However plants have different stimuli against the different environmental change i.e lack of water causing yellow and fall of leaves. Such seasonal responses are reaction to environmental changes rather than timeline.

Answer:

1. The central dogma of molecular biology is DNA >>transcription>> RNA >>translation>> protein

2.  DNA replication refers to the genetic process of generating two identical DNA molecules from one DNA sequence. Recombination refers to the exchange of genetic material (DNA) between non-sister chromatids during cell division (meiosis)

Explanation:

Gene expression (also known as transcription) is the process by which a specific fragment of DNA called gene is used as template to synthesize an RNA molecule, usually a messenger RNA (mRNA), which is in turn used as template to create a protein. This final product (i.e., the protein) has an effect on the phenotype of the individual. The DNA template is a single-stranded ordered polynucleotide chain composed of four different types of nitrogenous bases: Adenine, Thymine, Guanine and Cytosine. In the complementary RNA molecule, Thymine bases are replaced by Uracil bases. Moreover, DNA replication refers to the process by which cells duplicate their genetic material before cell division (either mitosis or meiosis). During this process, both DNA strands are separated and each one is used as a template to synthesize a new DNA molecule. Finally, recombination or crossing over is a process where non-sister chromatids exchange genetic material during meiosis I (Prophase I). Recombination is known to increase genetic variation in resulting meiotic cells.

Most marine photosynthesizers are unicellular so that the small organisms can eat them.

Most marine photosynthesizers are unicellular in order to provide food to the unicellular organisms such as zooplankton. Marine photosynthesizers are microscopic, unicellular plants, bacteria, algae and other photosynthetic organisms that used sunlight and produces food for the for small creatures called zooplankton so that's why most marine photosynthesizers are unicellular.

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Answer:

D. Oral cavity to the trachea to the larynx to the right and left main bronchi.

Explanation:

The respiratory system may be a system consisting of specific organs and structures used for gas exchange in animals and plants.

Thus, we can conclude that the correct option is (e).

The oral cavity to the nasopharynx to the trachea to the right and left main bronchi.

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Based on the table, we can see that the most similar trees are the Red maple and the Box elder, because both belong to the genus Acer.

This means B is the right answer.