Identifying the functions of the structures of the excretory system

Answer:

I would say that the most accurate answer is Behavior

Explanation:

I hope this helps :3

Answer:

26 possible combinations or 64 possible gametes.

The   swim bladder ray-finned fishes likely arose through modifications that resulted in the lung(s) taking on a new function.

The swim bladder is an air-filled sac that allows the fish to maintain buoyancy and control their depth in the water. This adaptation may have evolved from lungs in ancestral fish species, which were modified over time to serve this new purpose.

The evolution of the swim bladder in ray-finned fishes likely arose through modifications that resulted in the lung(s) taking on a new function. This organ, which originally served as a respiratory organ, became adapted for buoyancy regulation and enabled fishes to control their position in the water column.

Therefore, Swim bladder was a key evolutionary innovation that allowed for the diversification and success of ray-finned fishes in a variety of aquatic environments.

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Answer:

B - D - A - C, that's you answer

if not like that please post  your choices as well.

Explanation:

Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.

Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.

Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.

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Answer:

hope this help

Explanation:

Nucleic acids are made up of chains of many repeating units called nucleotides (see bottom left of Figure 1 below). The DNA molecule actually consists of two such chains that spiral around an imaginary axis to form a double helix (spiral.)  Nucleic acid molecules are incredibly complex, containing the code that guarantees the accurate ordering of the 20 amino acids in all proteins made by living cells.  Surprisingly though there are only a few different nucleotides: only four different nucleotide units comprise DNA, the nucleic acid of interest to the genealogist.  

This figure is a diagram of a short stretch of a DNA molecule which is unwound and flattened for clarity. The boxed area at the lower left encloses one nucleotide.  Each nucleotide is itself make of three subunits:

A five carbon sugar called deoxyribose (Labeled S)

A phosphate group (a phosphorous atom surrounded by four oxygen atoms.) (Labeled P)

And one of four nitrogen-containing molecules called nucleotides . (Labeled A, T, C, or G)

Alternating sugar and phosphate units form the two sides of a ladder-shaped arrangement with the rungs or steps each formed by a pair of nucleotide bases. Figure 2 below shows the structural formula of DNA in greater detail. The nitrogen bases are ring compounds with their carbon and nitrogen atoms arranged in single or double rings.  Only certain bases can pair together to form base pairs.  In DNA, Adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C).  

Notice that in the two figures above, the two strands of a DNA molecule are antiparallel, that is, they run in different directions. The side of the chain on the left begins with a free phosphate group at the top and ends with a sugar molecule at the bottom.  In contrast, the complementary chain on the right begins at the top with a sugar molecule and ends at the bottom with a phosphate group.  

Happily, it is not necessary to hold the details of DNA structure in your mind at all times!   As the sugar and phosphate sides of the molecule are constant they are frequently represented by parallel lines.  Even better, each of the nitrogen bases is conveniently represented by the first letter of its name.  These conventions allow the simplified representation of the molecule shown in the figure below

Or, even easier, a section of a DNA molecule is often abbreviated to show the bases of just one strand:

A T G G C T A C

Knowing the base pairing convention of A always pairing with T and G always pairing with C makes the complementary strand of the molecule understood.  It is this feature of complementary base pairing that insures an exact duplicate of each DNA molecule will be passed to its daughter cells when a cell divides.

Arcs in Reflex. An immediate neural connection to the spinal cord causes this to happen.

You don't have to think about doing these actions since muscles move unconsciously during a reflex without any brain input.  Without the involvement of your brain, your spinal cord manages some reflexes and involuntary motions. Although the brain may receive information during a spinal reflex, the spinal cord is ultimately in charge of integrating sensory data and transmitting a response to motor neurons. There are reflexes that go along the cranial nerves and brainstem, known as cranial reflexes.

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Seven traits that Gregor Mendel studied in peas include:

Gregor Mendel (20 July 1822–6 January 1884) was an Austrian biologist that was widely known for his pea plant experiments. Mendel is often called the father of genetics.

He studied the inheritance of seven different traits in peas, which included height, flower and seed colors, and seed shape. To do so, Mendel first established pea lines with two different forms of a trait, such as yellow vs. green color. For generations, Mendel grew these lines until they were pure-breeding (which meant they always produced offspring identical to the parent), and then he bred them to each other and observed how the traits were inherited.

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Answer:

Can you translate that to english? or french

Explanation:

Answer:

B which is 25%

Explanation:

I believe that's the answer

Answer:

Amount of Oxygen available.

Answer:

ans this question is no 3

Explanation:

Because it sends electrical output signals to the muscles affecting the muscles ability to functions.

Answer: The type of mutation that causes sickle cell anemia is a substitution mutation.

Explanation: A substitution mutation is a type of point mutation that occurs when one nucleotide base pair is replaced by another. In sickle cell anemia, the substitution mutation occurs in the HBB gene, which codes for the beta-globin subunit of hemoglobin. The normal HBB gene has the sequence CTC, which codes for the amino acid glutamic acid. In sickle cell anemia, this sequence is changed to CAC, which codes for the amino acid valine. This change in amino acid sequence causes hemoglobin molecules to stick together and form long fibers that distort red blood cells into a sickle shape . Hope this helps, and have a great day!

The false statement about marijuana is Unlike long-term use of alcohol, regular use of marijuana does not have any long-lasting health consequences.

The correct option is C .

Regular use of marijuana can indeed have long-lasting health consequences. Chronic and heavy marijuana use has been associated with several potential health risks, including respiratory problems, cognitive impairments, mental health issues, and addiction. While the severity and extent of these consequences can vary among individuals, it is incorrect to claim that regular marijuana use does not have any long-lasting health consequences.

Frequent marijuana smoking can lead to respiratory issues such as chronic bronchitis, coughing, and increased risk of lung infections. Long-term marijuana use, especially when initiated during adolescence, has been linked to negative effects on memory, attention, and cognitive function. Marijuana use has been associated with an increased risk of developing mental health disorders such as anxiety, depression, and psychosis. It can also exacerbate symptoms in individuals already susceptible to these conditions.

Hence , C is the correct option

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During the development of a multicellular organism, the cells that are totipotent are the zygote and early embryonic cells.

Totipotent cells have the ability to differentiate into any cell type, as well as extraembryonic tissues such as placenta and umbilical cord. The zygote, which forms when the sperm fertilizes the egg, is the first cell of a new organism and is totipotent. As the zygote undergoes cell division, the resulting early embryonic cells also retain totipotency. As development progresses, cell differentiation occurs, and cells become more specialized. Totipotency diminishes as cells start to commit to specific lineages and develop into specific tissue types. It is important to note that other cell types in the body, such as stem cells, may retain the capacity for differentiation into multiple cell types but are not considered totipotent. Totipotency is specific to the zygote and early embryonic cells in the early stages of development.

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A. the fertilized egg and the cells produced by the first few cell divisions

B. all cells of the blastocyst, which is a hollow ball of cells and an early embryonic stage

C. the germ layers of later embryonic stages

The appropriate responses are A, B, and C. The fertilized egg (zygote) and the cells created by the first few cell divisions have the capacity to develop into all the various cell types and tissues of the organism in the early stages of development. The term "totality" refers to this quality.

The cells of the blastocyst, an early embryonic stage distinguished by a hollow ball of cells, likewise maintain totipotency as the development moves on. Both extraembryonic tissues and embryonic tissues can develop from these cells.

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During the development of a multicellular organisms, which cells are totipotent? Select all of the answers that apply

A

the fertilized egg and the cells produced by the first few cell divisions

B. all cells of the blastocyst, which is a hollow ball of cells and an early embryonic stage

C. the germ layers of later embryonic stages

D. certain cells in the growing regions of the adult organism

Answer:

esta es la respuesta

Explanation:

Sin el sol, no habría fotosíntesis y la vida no sería sustentable. La fotosíntesis es la reacción química donde el dióxido de carbono (CO2) y el agua forman azúcares y producen oxígeno en presencia de energía lumínica.

Berry's Six Stages of Refugee Careers refer to the different phases that refugees go through as they flee their home countries and seek asylum in another. The six stages are Predeparture, Flight, First Asylum, Claimant, Settlement, and Adaptation.

1. Predeparture: This is the stage before the refugee leaves their home country. It involves the decision-making process and preparation for leaving, including gathering necessary documents and belongings.
2. Flight: This stage involves the actual physical departure from the home country and the journey to the first country of asylum.
3. First Asylum: This stage refers to the period of time that the refugee spends in the first country of asylum. This can be a short-term or long-term stay, depending on the circumstances.
4. Claimant: This stage involves the refugee making a formal claim for asylum in the host country. This process can be lengthy and complex and often involves legal representation.
5. Settlement: This stage refers to the period of time after the refugee has been granted asylum and is able to begin rebuilding their lives in the host country. This can include finding housing, employment, and accessing healthcare and education.
6. Adaptation: This final stage involves the refugee fully integrating into their new community and culture. This can involve learning the language, building social networks, and participating in community events and activities.

Overall, Berry's Six Stages of Refugee Careers provide a helpful framework for understanding the different phases that refugees go through as they seek safety and security in a new country.

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Answer:

The noble tree shrew

Explanation:The tree shrew's brain is much larger compared to its body. 10 percent of its body weight  is brain mass.

Answer:

1. Brainstem

Explanation:

The brain stem is right under the cerebrum in front of the cerebellum. It also connect the spinal cord, controlling functions like digestion.

The correct sequence that describes how sound reaches the brain is: a. pinna - auditory canal - tympanic membrane - ossicles - cochlea - auditory nerve

This sequence represents the pathway of sound from the outer ear to the inner ear and eventually to the brain. Here's a breakdown of each component:

Pinna: The pinna, also known as the outer ear, collects sound waves from the environment.

Auditory canal: The sound waves travel through the auditory canal, a tube-like structure that leads to the middle ear.

Tympanic membrane: The sound waves cause vibrations in the tympanic membrane, also known as the eardrum.

Ossicles: The vibrations from the tympanic membrane are transmitted to three tiny bones in the middle ear called the ossicles. The ossicles consist of the malleus (hammer), incus (anvil), and stapes (stirrup).

Cochlea: The stapes bone transfers the vibrations to the cochlea, which is a spiral-shaped, fluid-filled structure in the inner ear.

Auditory nerve: Inside the cochlea, the sound vibrations are converted into electrical signals by specialized hair cells. These electrical signals are then transmitted to the brain through the auditory nerve.

Therefore, the correct sequence is a) pinna - auditory canal - tympanic membrane - ossicles - cochlea - auditory nerve.

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Answer:

hi

Explanation:

Answer:

The correct answer is 50%.

Explanation:

In the given question, the table says that fruit color is determined by the incomplete dominance of allele R and R'. In the case of RR genotype the fruit color will be red and R'R' the food color will be yellow but in the heterozygous condition the color would be orange, so the cross between RR' and R'R' would be as follow:

Punnett square:

      R       R'

R'    RR'   R'R'

R'    RR'   R'R'

It is found by the given cross that the cross between RR' and R'R' would form two orange fruit plants out of four which is 50%

Answer:

cat family

Explanation:

and dog family

Answer:

nucleic acids

Answer:

A- to provide a reference system

Explanation:

The equator and prim meridian used on maps provides a reference system for determining location and navigating the earth.

An equator is the only line of latitude that is a great circle.

Prime meridian is a line of longitude that is 0°

When both are used, they can form the basis of a reference system to determine places on earth.

Using these lines, we can assign values of coordinates to the earth surface to facilitate location determination.

The equator and prime meridian are used on maps to provide a reference system.

The equator and the prime meridian used on maps to provide a reference system. Thus, option A is correct.

The equator and prim meridian used on maps provides a reference system for determining location and navigating the earth. An equator is the only line of latitude that is a great circle. Prime meridian is a line of longitude that is 0°.

When both are used, they can form the basis of a reference system to determine places on earth. Using these lines, we can assign values of coordinates to the earth surface to facilitate location determination. The equator and prime meridian are used on maps to provide a reference system.

Therefore, When both are used, they can form the basis of a reference system to determine places on earth. The equator and the prime meridian used on maps to provide a reference system. Thus, option A is correct.

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Answer: the statements are not given, so I will state the role of calcium in plants.

Calcium pectate, is responsible for holding together the cell walls of plants, it is also used in activating certain enzymes and to send signals that coordinate certain cellular activities in plants. Calcium helps to maintain chemical balance in the soil, it reduces soil salinity, and improves water penetration within soil.

When there is calcium deficiency, it leads to localized tissue necrosis causing stunted plant growth, dead leaf margins or curling on the leaves, and eventual death of terminal buds and root tips of the soil/plant.

Excess levels calcium in the soil can reduce a plant's uptake of other important nutrients such as phosphorus, magnesium, boron, potassium, copper, zinc or iron, leading to deficiencies of these nutrients.

Answer:

He tried to promote his hypothesis as a law.

Explanation:

i got it roight

Answer:

A

Explanation:

correct on edg

Answer:

Asexual is one thing and sexual is two or more things.

Explanation:

Answer:

Prokaryotes and eukaryotes vs. only eukaryotes

Mitosis and binary fission vs. meiosis

Both forms of reproduction

Two vs. four cells produced

Diploid vs. haploid  cells produced

Advantages or disadvantages of each

Explanation:

ed2023

The structures that are shown in (i) and (ii) are monomers while (iii) is a polymer.

A polymer is a big molecule made up of monomers, which are repeating units. These monomers come together to form a lengthy chain or network structure by chemical bonding. Polymerization is the process of joining monomers to form polymers.

Plastics, textiles, rubber, and even biological macromolecules like DNA and proteins are all examples of polymers in various forms. They are crucial in many facets of daily life and have several uses in the packaging, automotive, construction, textile, and medical industries, among others.

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