What 4 things do autotrophs need to carry our photosynthesis

answer : i suppose the second one is better due to its more in deep explanation hope my opinion helps you

Tissue :

Tissues are groups of similar cells from the same origin that work together to perform a specific function. Epithelial tissue, connective tissue, muscle tissue, and nervous tissue are the four basic tissue types defined by their morphology and function. Muscle tissue is composed of cells that can contract and allow animals to move.

                                        Tissue ------------>  Cardiac Muscle

Organ System :

An organ system is a group of organs that work together to perform a specific function. In the human body, there are eleven distinct organ systems, each with its own set of functions. The blood circulatory system is a group of organs that include the heart, blood vessels, and blood that circulates throughout a human's or other vertebrate's entire body.

                                         Organ System ------------>  Circulatory System

Organ :

An organ is a structure composed of various tissues that carry out specific bodily functions. Organs can be solid or hollow, and their size and complexity vary greatly. Organs include things like the heart, lungs, and brain.

                                            Organ  ------------>  Heart

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Answer:

Environmental change results in the environmental ecosystem to be able to adapt to a new environment to survive the impact of environmental change can cause a decrease in the amount of organisms living in that ecosystem and without one of the organism living in the ecosystem the other organism supports on the other organism for food/energy will be scarce resulting in a decrease of species eventually dying out.

Stabilizing boundaries is an idea to relate that humans can keep the resilience and stability of Ecosystem in mind. If these boundaries are crossed,  That would effect environment and lead to drastic or inevitable planetary changes.

The planetary boundaries have a negative effect on other planetary boundary because of Earth environment. Example include, if their is a change in climatic condition ecosystem may be badly effected and may cause difficulty in human interference.

It is considered that smaller the system, the sharper is its boundary. Large systems may have multiple boundaries as they interface with multiple systems.

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The correct option is 'C'. 'Sunlight can be separated into all the colors of the rainbow'.

An optical illusion that sometimes occurs at sea, there in desert, or over a scorching pavement and provides the appearance of a watery pool or a mirror wherein the faraway objects are seen upside down. It is brought on by light being bent or reflected through layers of air that have different temperatures.

The ground must be extremely hot and the air around it must be very cold for a mirage to form. Warming occurs in the layer above the ground. When light travels through cold air & into the warm air layer, the light ray is refracted. This is the formation of mirage.

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Answer:

it is water

please don't reward him, he is just plain rude

Explanation:

One method of horizontal gene transfer (HGT) in bacteria is transformation, when cells with genetic competence take up extracellular na-ked DNA.

A susceptible or "capable" bacterial cell can acquire new genetic material from its environment through transformation. Natural and artificial transformations fall into two categories.

A DNA fragment floating in the environment is absorbed by a bacteria during transformation. In transduction, a virus unintentionally transfers DNA from one bacterium to another. DNA is exchanged between bacteria during conjugation via a tube between cells.

A dead, deteriorated bacterium's DNA fragment is exchanged for a piece of the competent recipient bacterium's DNA during the process of transformation, a type of genetic recombination.

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The macromolecule that carries genetic information in living organisms is called deoxyribonucleic acid, more commonly known as DNA. DNA is a long, double-stranded molecule that consists of a sequence of nucleotide units.

Each nucleotide is composed of a sugar (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, guanine, or cytosine). The specific sequence of these bases along the DNA molecule forms the genetic code.DNA is located within the nucleus of eukaryotic cells and in the cytoplasm of prokaryotic cells. It serves as a blueprint for the development, functioning, and reproduction of all living organisms. The genetic information encoded in DNA controls the synthesis of proteins and regulates various cellular processes. Through the process of transcription, DNA is used as a template to create a related molecule called ribonucleic acid (RNA), which then undergoes translation to produce proteins.

The discovery of the structure of DNA in the 1950s by James Watson and Francis Crick revolutionized our understanding of genetics and inheritance. Since then, DNA has been recognized as the fundamental molecule responsible for the inheritance of traits and the transmission of genetic information from one generation to the next.

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Answer:

The part of the cell cycle in which the cell divides is called mitosis.

Explanation:

Mitosis, or M phase of the cell cycle, is where the somatic cell divides to obtain two daughter cells identical to the original. Mitosis is divided into four phases, known as prophase, metaphase, anaphase and telophase.

Literally, cell division into two daughter cells or cytokinesis occurs in the last phase of mitosis, telophase, since in the other phases cell nucleus division and chromosome distribution occurs.

The other major part of the cell cycle is known as the interphase, in which the cell prepares for division in the M phase.

Answer:

Dipole-Dipole

Explanation:

The type of bond created by a weak electrical attraction between polar molecules is called a dipole-dipole interaction. Dipole-dipole interactions occur between polar molecules, where one molecule has a partial positive charge (δ+) and another molecule has a partial negative charge (δ-). These partial charges result from an uneven distribution of electrons within the molecule, leading to a temporary dipole moment. The positive end of one polar molecule is attracted to the negative end of another, creating a relatively weak bond known as a dipole-dipole interaction.

Answer:

because when oxygen atom bonds with two hydrogen atoms they form water

Explanation:

A water molecule is formed by covalent bonds between an oxygen atom and two hydrogen atoms. The bond between hydrogen and oxygen involves unequal sharing of electron – it is a polar covalent bond. This is because the nucleus of the oxygen atom is more attractive to electrons than the nuclei of the hydrogen atom.

Complete question:

Tina asks the question “Does caffeine increase the heart rate of an earthworm?” In Test 1, she measures the heart rate by looking at the earthworm under a microscopes, the earthworm has a heart rate of 50 bpm (beats per minute). In Test 2, she places a few drops of caffeine on the earthworm’s skin and measures the rate again. In this test, the heart rate is 68 bpm.

1) What is the control group?

2) What is the experimental group?

3) What is the independent (manipulated) variable?

4) What is the dependent (responding) variable?

5) What should Tina's conclusion be?

Answer:

Explanation:

During an experiment, data from an experimental group is compared with the data from a control group. Both groups are selected from the same pool or population, so they are identical in all aspects except for the independent variables.  

The control group is used to identify any other factors influencing the results obtained in the study, apart from the modified variables of the treatment.

The experimental group is the one affected by the experimental procedure or treatment. The researcher voluntarily changes the independent variables in the experimental group to observe how they affect the group under study. These variables are kept constant in the control group, not influencing the results, while the experimental group receives the treatment. There can be several experimental groups.  

1) What is the control group?

Individuals from test 1 compose the control group. They are not affected by the treatment. Tina just uses them to measure the normal heart rate and to compare them with individuals from test 2.

2) What is the experimental group?

Individuals from Test 2 compose the experimental group. They are affected by the treatment. Tina drops caffeine on their skin to see how it affects the worms.

3) What is the independent (manipulated) variable?

Caffeine is the independent variable. Tina manipulates the number of drops she places on the worm´s skins.

4) What is the dependent (responding) variable?

Heart rate is the dependent variable. Tina evaluates how the heart rate changes in individuals with or without caffeine.

5) What should Tina's conclusion be?

Caffeine increases the heart rate of an earthworm. It changes from 50 to 68 bpm. Tina´s hypothesis is correct.

Answer:

Over time, many species gradually adapted to a more oxygen-rich enviroment, allowing them to survive in shallow water and on land.

The region between the 16S and 23S rRNA genes that is so useful in ARISA is called the ITS (Internal Transcribed Spacer).

Internal Transcribed Spacer (ITS) region is a short stretch of DNA located between 16S and 23S rRNA genes that are utilized in ARISA (Automated Ribosomal Intergenic Spacer Analysis). The ITS region has diverse copy numbers, and it varies significantly between species. The ITS region has become the preferred DNA marker for fungal diversity studies since it has many copies in fungal genomes, allowing for easy PCR amplification.

Its level of variability is also ideal for resolving species-level distinctions in fungi. The ITS1 and ITS2 regions are separated by the 5.8S gene. The 5.8S, ITS1, 5.8S, and ITS2 genes are approximately 160, 200, 160, and 280 base pairs long, respectively.

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Yes, the actual phenotypic ratio can differ from the expected ratio. This difference can be caused by various factors such as:

1. Incomplete dominance: When the dominant allele does not fully mask the expression of the recessive allele, resulting in a blended phenotype. This can lead to a different phenotypic ratio than expected from the classic Mendelian inheritance pattern.

2. Co-dominance: Both alleles are expressed equally in the phenotype, causing the phenotypic ratio to be different from what is expected based on simple dominant-recessive inheritance.

3. Multiple alleles: When more than two alleles exist for a single gene, it can complicate the inheritance pattern and result in a different phenotypic ratio.

4. Epistasis: The expression of one gene is dependent on the presence of one or more modifier genes. This interaction can alter the phenotypic ratio.

5. Environmental factors: External factors like temperature, diet, or exposure to chemicals can influence the expression of genes, leading to a different phenotypic ratio than expected based on genetic inheritance alone.

6. Random chance: In small sample sizes, the observed phenotypic ratio might differ from the expected ratio simply due to random chance. This discrepancy may not necessarily indicate an underlying genetic or environmental cause.

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The accommodations on the space station would help prevent problems associated with weak muscles, requiring the astronaut to be helped from the spacecraft once back on Earth is B. Outfit the space station with exercise equipment.

The relationship between weak muscles in astronauts and long seasons in space is based on the fact that the attractive forces or gravity in space are lower than on earth, thereby muscles need to exercise in order to avoid the loss of muscle mass.

Therefore, with this data, we can see that the relationship between weak muscles and space are cemented on the observation that gravity considerably decreases outside the earth's atmosphere when compared to space.

Complete question:

An astronaut returns from six months on the space station. The astronaut’s muscles are weak, requiring the astronaut to be helped from the spacecraft once back on Earth. Which of the following accommodations on the space station would help prevent this problem?

Provide food that provides astronauts with more energy. 

Outfit the space station with exercise equipment. 

Increase the oxygen levels inside the space station. 

Design spacesuits that are lighter and easier to wear.

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Identical twins are an example of who might share the same pattern of sugars that extend from their cells in the form of a glycocalyx.

Glycocalyx- Many bacteria, epithelial cells, and other cells have a surface layer called glycocalyx that covers their cell membranes. Proteoglycans, glycoproteins, and glycolipids make up its structure. This shields the cell from its environment and offers protection. It aids in preserving the structural integrity of cells.

Cells- The smallest unit that can sustain life on its own and makes up all living things, including the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell.

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 options a, b, and c are not accurate conclusions based on the given information.

The correct answer is d) They will be haploid (2n). Gametes are haploid cells, meaning they contain half the number of chromosomes as somatic cells. Since the insect's gamete contains 4 chromosomes, the somatic cells would have a diploid number of 8 chromosomes (2n = 8). The amount of DNA in the gamete is not necessarily indicative of the amount of DNA in the somatic cells, as somatic cells can undergo DNA replication and have varying amounts of DNA depending on the stage of the cell cycle.

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By chromosomal translocation , A chromosomal translocation is characterized by the breakage of a chromosome and its whole or partial reattachment to another chromosome.

A segment from one chromosome gets moved to a nonhomologous chromosome or to a different position on the same chromosome during a translocation.

Translocations create chromosomes without the typical pairing partners and insert genes in novel linkage connections.

One of the most frequent forms of genomic rearrangements, chromosomal translocations serve as molecular markers for a variety of malignancies. They are regarded as the main factors in the development of malignancies, particularly lymphoma and leukemia.

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Cells use energy to make a large RNA molecule and then throw parts of it away because not all the parts are necessary for making proteins. The removal of unnecessary parts ensures that the protein produced is functional and that energy is not wasted.

RNA molecules are essential in the process of protein synthesis. During this process,

RNA serves as a template for the synthesis of proteins by conveying genetic information from DNA to ribosomes, which are the protein-making factories in the cell. However, not all parts of the RNA molecule are necessary for protein synthesis.

In eukaryotic cells, pre-mRNA undergoes a process called splicing, where certain segments called introns are removed, and the remaining segments called exons are joined together to form mature mRNA.

This splicing is mediated by a complex of proteins and small RNA molecules called small nuclear ribonucleoproteins (snRNPs), which recognize the intron-exon boundaries and facilitate the removal of introns.

The process of splicing requires energy in the form of ATP, which is used to power the molecular machines involved in the process.

However, by removing the introns, the cell ensures that the mRNA produced contains only the necessary information for making a functional protein, and no energy is wasted in the production of unnecessary portions of the mRNA.

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Answer:

why do you say that?

Explanation:

I can't see what it says even when i pull the piscture up.

Sorry :|

Have a great day/night and stay safe! :D :)

I'm not quite sure either, but from the instructions it appears that you should have some sort of "subject" and two of the subject's relatives. Then you just have to list if the subject and the two relatives show the traits. I believe that the subject is either you, since the course says "Your Genetic Traits"

I hope this helped a bit.

Answer:

Nucleus

Explanation:

Assuming an ecological efficiency of 10%, the amount of energy available to primary consumers in this ecosystem is 100,000 kilocalories, which is 10% of the energy available to producers.

What is an energy?

In an ecosystem, the energy available to primary consumers is usually less than the energy available to producers, due to energy losses as energy flows through the food chain. The amount of energy available to primary consumers can be estimated using the concept of ecological efficiency, which is the proportion of energy transferred from one trophic level to the next.

Ecological efficiency varies between ecosystems, but a commonly used estimate is around 10%, meaning that about 10% of the energy at one trophic level is transferred to the next trophic level. Using this estimate, we can calculate the amount of energy available to primary consumers as follows:

Energy available to primary consumers = 0.1 * 1,000,000 kilocalories

Energy available to primary consumers = 100,000 kilocalories

Therefore, assuming an ecological efficiency of 10%, the amount of energy available to primary consumers in this ecosystem is 100,000 kilocalories, which is 10% of the energy available to producers.

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Complete question is: Assuming an ecological efficiency of 10%, the amount of energy available to primary consumers in this ecosystem is 100,000 kilocalories, which is 10% of the energy available to producers.

In an ecosystem, the amount of energy available to each trophic level decreases as we move up the food chain. This is due to the fact that some energy is lost at each step through processes like respiration, movement, and waste.

Assuming that producers in an ecosystem have 1,000,000 kilocalories of energy, the amount of energy available to primary consumers will depend on the efficiency of energy transfer between trophic levels. Generally, this transfer is estimated to be about 10%, meaning that only about 10% of the energy from one trophic level is available to the next trophic level.

Therefore, the amount of energy available to primary consumers would be about 10% of the energy available to producers, or 100,000 kilocalories of energy.

Similarly, the amount of energy available to the secondary consumers (organisms that feed on primary consumers) would be about 10% of the energy available to primary consumers, or 10,000 kilocalories of energy. This process continues for each trophic level, with only about 10% of the energy being passed on to the next level.

What is ecosystem

Ecosystems can range in size from a small pond to a vast biome such as a tropical rainforest. They can be found on land or in water, and each ecosystem has its unique set of characteristics that support specific communities of organism.

What is consumers

In an ecosystem, a consumer refers to an organism that obtains its energy and nutrients by feeding on other organisms. Consumers are part of the food chain or food web and play a critical role in transferring energy and nutrients through the ecosystem.

There are several types of consumers in an ecosystem, including herbivores, carnivores, and omnivores. Herbivores are animals that eat only plants, while carnivores are animals that eat other animals. Omnivores, as the name suggests, eat both plants and animals.

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Answer:

C) medium

Explanation:

medium can be solid, semi-solid or liquid

mediums are designed to grow living cells of plants, animals, humans and microbes

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Solution:

Both insects and arachnids are arthropods. However, in the morphology of an insect, there are 6 legs. While in the morphology of an arachnid there are 8 legs. Also, arachnids do not have antennae, their head is not differentiated from the body but is typically divided into two main regions called the cephalothorax (prosoma) and the abdomen (opisthosoma). Spiders belong to the arachnids, therefore a spider is different from an insect. Therefore, a spider cannot be classified as an insect.