Which is not a source of carbon dioxide gas? Plants, factories, machines, humans

The incorrect statement is

"Ocean currents move cold water from the equator toward the poles."

The ocean currents tend to flow in the opposite direction from the poles. :)

-Dap

Answer:

D) movement of the tectonic plates.

Explanation:

Lets understand first what convection is. It refers to the process through which denser material sinks and less dense material rises. This is because less dense material is more buoyant than denser one.

The earth is composed of water, rocks and air and all these things lower their density when there occurs an increase in their temperature.

So what happens when convection occurs in the upper mantle of earth, it raises the less dense material called magma  in uprising direction, because of the extreme heat in the Earth’s core. When molten lava moves upwards it moves in a fashion of convection, but then it cools down and sinks again.

As the earth surface is made up of tectonic plates. Scientists believe that when convection occur in mantle layer, it causes the movement of plates, This movement can be away from, or towards each other. The movement of tectonic plates causes shifts continents, ocean basins, earthquakes and pushes up mountains.

So D is best option.

Hope it helps!

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To determine which two classes of arthropods are the least related, one must consult a phylogenetic tree. Without it, we infer from general arthropod taxonomy that classes from distant subphyla, like Hexapoda (insects) and Chelicerata (spiders), would be the least related.

To answer which two classes of arthropods are the least related, it's essential to refer to a phylogenetic tree illustrating the taxonomic relationships among various arthropod groups. In the absence of a specific phylogenetic tree provided for the question, we use general knowledge of arthropod taxonomy to infer relationships. Phylum Arthropoda is divided into subphyla such as Hexapoda (insects and relatives), Myriapoda (millipedes, centipedes, and relatives), Crustacea (crabs, lobsters, crayfish, isopods, barnacles, and some zooplankton), and Chelicerata (horseshoe crabs, arachnids, scorpions, and daddy longlegs).

The two classes of arthropods that would be least related according to this classification are likely to come from distant subphyla, for example, an insect from Hexapoda and a spider from Chelicerata. However, without a specific phylogenetic tree, it is not possible to determine exactly which two classes are the least related, and this answer would only be inferred from the broader taxonomic categories.

The sea slug possesses both plant and animal character. It is also called as green slug which feed upon the algae.It takes the algal gene which contain chlorophyll and make its own food by photosynthesis. The sea slug is coming under class gastropoda by the process of classification.

Answer: Classification

Explanation: Classification is the process of classifying things.

Answer:

Meiosis produces sex cells, egg and sperm join, zygote forms, new organism develops

Explanation:

Meiosis is crucial in sexual reproduction as it produces the sex cells that combine to create new offspring. This process involves two cell divisions leading to four haploid cells (sperm or egg), allowing for genetic recombination and promoting diversity amongst offspring.

Meiosis is a fundamental process of sexual reproduction. The correct answer to the question - how is meiosis related to sexual reproduction - is option C: Meiosis produces the sex cells that join to form new offspring during sexual reproduction.

During meiosis, diploid cells (cells with two sets of chromosomes, one from each parent) undergo two successive cell divisions to produce four haploid cells (cells with one set of chromosomes). These haploid cells are the sex cells or gametes - namely sperm in males and eggs in females. Within these gametes, genetic information is recombined, leading to offspring with a mix of traits from both parents. Therefore, through meiosis, genetic diversity is promoted, which is a key aspect of sexual reproduction.

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If an enzyme is not used at it's optimal temperature, it's function will likely slow down or not work all together.

Photosynthesis takes place inside the chloroplast.

Photosynthesis is "the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct."

when light is absorbed by one of the pigments in Photosystem II, energy is transferred thereby exciting an electron to high energy level. This excited electron is passed on to the acceptor molecule and gets replaced with an electron that comes up while splitting of water molecules.

B.

Both processes have a growth period called interphase, in which a cell replicates its genetic material and organelles in preparation for division. The two cells that result after meiosis I enter meiosis II very quickly, during the brief interphase period, no further DNA replication takes place.

C.

A. True

1. The right answer is B. production of egg and sperm cells

Meiosis is a cell division that, alternately with fertilization, plays a key role in sexual reproduction, halving the number of chromosomes in gametes, thereby maintaining the number of chromosomes of the species after fertilization.

2. The interphase is the phase that precedes the M phase where the cell division takes place (in other words, it is the phase that lies between two divisions).

Before mitosis and meiosis, the interphase is identical for both. However, the small difference between them is that during meiosis (division process including two cell divisions) there is a very small interphase between telophase I and prophase II of meiosis, but without DNA replication.

3. The right answer is C. prophase, metaphase, anaphase, telophase

Prophase

Stage of mitosis during which chromatin condenses and chromosomes appear.

Metaphase

Stage of mitosis during which the fusorial fibers attach to the centromere of the duplicated chromosomes and guide them to the equator of the cell.

Anaphase

Stage of mitosis during which the centromeres divide and chromatids are attracted to the opposite poles of the cell by fusorial fibers.

Telophase

Stage of mitosis in which chromatids have reached the poles of the cell. Each of the chromatids is now a complete non-duplicated chromosome. There is formation of two nuclei.

4. The right answer is True.

The comparison of the karyotypes of different cells of the same individual and the cloning experiments, showed that all the cells of the body have the same genetic program. Moreover this genetic program is at the origin of the manufacture of a new individual.

Thus all the cells of the body except the gametes, has the same karyotype as the egg cell from which they are derived by successive divisions. This karyotype still has 23 pairs of 46 chromosomes, and these chromosomes carry exactly the same genetic information. Each chromosome is made up of DNA. DNA is a molecule that can curl up during cell division, making the chromosomes visible.

The pharynx is from the upper part of the throat, which is immediately behind the nasal cavity. It is behind the mouth, and above the esophagus and larynx, which are the tubes going down to the stomach and lungs.

Hope this helps! <3

Cell wall and Chloroplast

Answer:

Cell walls and chloroplasts

Explanation:

Cell walls and chloroplasts are found on plant cells not in animal cell

The correct answer is B. Find the relative age of one rock layer at the giving location.

Answer:

B. Find the relative age of one rock layer at the given location

Explanation:

Relative age is determined by the chronological order of a sequence of events. Relative dating is based on the concept of relative age and various geological principles, such as the principle of initial or original horizontality, the principle of overlap and the principle of paleontological identity. Relative dating is therefore based on the presence of fossils in rocks and / or the relative position of geological formations.

Based on this, we can say that if a geologist wanted to determine the age of the rock layers in a given location using the relative age, he should find the relative age of a rock layer, using relative dating in the indicated location

The answer is 3. Autosomes.

Hope this helps.

Answer:

growth of organisms, repair of damaged cells, and reproduction of new cells

Explanation:

Her doctor will say not to worry about it since a short amount of x-ray radiation is not dangerous at all.

However, because X-rays deliver such a tiny dosage of radiation, it is thought that they have no immediate negative effects on health.

Ionizing radiation is a type of radiation with sufficient energy to possibly harm DNA. Risks from ionizing radiation exposure include a slight increase in the likelihood that someone exposed to X-rays would acquire cancer in the future.

X-ray radiation can destroy molecular structures and possibly cause injury when it is absorbed by our bodies. Human cells are harmed by extremely high radiation doses, as shown by skin burns, hair loss, and an increase in cancer cases.

Therefore, Her doctor will say not to worry about it, since a short amount of x-ray radiation is not dangerous at all.

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Answer:

Prices for genetically engineered products are raised as a result of patents on products.

Farmers must spend more money to obtain genetically engineered seeds for desired crops.

Consumers must spend more money to purchase genetically engineered products.

More land is utilized for genetically engineered crops than for organic crops.

Explanation:

Economic issues with genetically engineered products include higher prices due to patents, increased costs for farmers to purchase engineered seeds, and higher consumer prices as a result.

The economic concerns surrounding genetically engineered products impact various stakeholders from producers to consumers. The potential economic issues include:

Concern D does not align with the commonly proposed economic issues related to genetically engineered crops, as there is no clear evidence that more land is used for genetically engineered crops compared to organic crops.

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Answer:

Benedict's test which is meant to detect non-reducing sugar like sucrose from reducing sugars like glucose, fructose or galactose can be used to identify sucrose.

Explanation:

Glucose, fructose and galactose are reducing sugars so they can easily be identified against non-reducing like sucrose. A reducing sugar is a kind of sugar which has a free aldehyde or ketone group. Free aldehyde and ketone groups act as a reducing agent and they are capable of reducing other substances. In this situation, the reducing sugar reduces other substances and themselves get oxidized. In contrast to this, a non-reducing sugar can not act as a reducing agent because it has lack of a free aldehyde or ketone group.

Benedict's test is a test which is used to identify a non reducing sugar from reducing sugars. In this test, a reducing sugar (Glucose, fructose or galactose) is heated with Benedict's solution which leads to the change of color of solution to orange-red/ brick red. But no such color change will be detected if sucrose is heated with Benedict's solution.

The South/South East

The region that likely experiences the greatest chemical weathering is the tropical rainforest region, due to its warm, wet climate that fosters rapid chemical reactions that break down rocks and minerals. An example of this process is leaching, which happens with high amounts of rainfall.

The region of the country that most likely experiences the greatest chemical weathering is the tropical rainforest region. This is because chemical weathering occurs fastest in warm, wet climates. This type of weathering involves the breaking down or dissolution of rocks and minerals on the Earth’s surface through chemical reactions such as hydrolysis, oxidation or dissolution enabled by atmospheric or biological chemicals.

Rainforest regions, such as the Amazon in South America, are characterized by heavy rainfall and high temperatures, both of which foster rapid chemical reactions that break down rocks.

For example, in rainforest areas, the high amounts of rainfall can lead to the process of leaching, where water dissolves nutrients and minerals in the soil and carries them away. This process can significantly alter the composition of the soil and can lead to increased rates of rock and soil weathering.

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Mollusks

Mollusks is the group of invertebrates that made up the majority of the Marine species. Their bodies tend to not divided into segments like other organisms.

The common name for the group that includes snails, slugs, clams, and squids is mollusks.

The common name for the group that includes snails, slugs, clams, and squids is mollusks. Mollusks are a diverse group of animals, predominantly found in marine habitats, but also inhabiting freshwater and terrestrial environments. They exhibit a wide range of morphologies and characteristics, such as a muscular foot, visceral mass, mantle, and often a hard shell.

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Yes my ex-girlfriend thankfully died from myopia.

The answer is true.

The equation for cellular respiration is as follows:

C6H12O6 + 6O2 --> 6CO2+6H2O + energy

This equation pretty much explains everything. When taking in sugar and oxygen, your products are carbon dioxide, water, and energy,

Hope that answered your question.

Energy travels between the Earth's surface and the atmosphere in a variety of ways, including radiation, conduction, and convection. Conduction is one of the three main ways in which thermal energy is transferred from place to place.

The transfer of thermal energy due to the transfer of matter from one place to another is called convection. Convection occurs in the atmosphere when conduction heats the air near the surface of the earth.

In the atmosphere, greenhouse gas molecules absorb this heat energy and raise the temperature. After this absorption, the gas radiates thermal energy in all directions. Then this thermal energy is radiated into space

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Answer:

D. they only reproduce with one another.

Explanation:

the higher the SA:V ratio of the cell the quicker the materials can reach the center of the cell

The answer is that the criteria of classification change with the improved understanding of organisms around us. During the time of Aristotle, not much was known about the living organisms. So, he classified them as he observed. Plants were classified into herbs, shrubs and trees; very much like what’s taught to a second grade student. Animals as Enaima and Anaima based on the presence or absence of RBCs. After him, Carolus Linnaeus tried his hand over classification. He came up with the 2 kingdom classification: Plants and Animals. He considered only a set of morphological and physiological criteria to decide the kingdom to which an organism belongs. It includes presence of cell wall, mode of nutrition, contractile vacuole, locomotion and others. Based on these criteria, he included widely differing organisms into a single kingdom, for example, fungi, bacteria, algae, and higher plants were included into plant kingdom just because they have cell wall as a common aspect. Then came, Ernst Haeckel, who came with a third kingdom of Protista to include unicellular organisms. Copeland gave a 4 kingdom classification segregating unicellular organisms into 2 separate kingdoms based on their nuclear structure. R.H. Whittaker came next introducing the most accepted 5 kingdom classification system. You should understand one thing that man’s knowledge of classifying organisms improved with the improving technologies available to him, which he exploited to very effective extent. Carl Woese gave the 6 kingdom classification and 3 domain system based on the 16S rRNA sequence.

Our understanding of organisms around us is improving day by day and the system of classification will also change further in pace with the improvement in technology.

I hope this helps! :D]

~ Kana ^^

Modern classification systems have evolved from Linnaeus' original taxonomy to include genetic and biochemical criteria, introducing new categories and a three-domain system. These revisions allow for a more accurate representation of evolutionary relationships among organisms.

Differences Between Modern and Linnaean Classification Systems

The modern classification system has evolved significantly from the taxonomy first developed by Carl Linnaeus in the 1700s. The Linnaean system grouped organisms based on morphological traits such as the number of legs or shape of leaves. However, with the discovery of many new species and advances in our understanding of evolutionary relationships and genetics, modifications were necessary. Modern classification not only includes physical characteristics but also considers biochemical and genetic similarities and differences, leading to a more detailed and evolutionary-based taxonomy.

Linnaeus' work was foundational to modern biology, introducing the system of binomial nomenclature which gives each species a two-part name signifying the genus and species. Yet, it was limited by the knowledge of his time and therefore did not account for all the complexities discovered since. With the incorporation of molecular biology, new categories such as the subphylum, superfamily, and domain were added to better reflect the relationships among life forms. Furthermore, the modern system includes a three-domain system which classifies life into Bacteria, Archaea, and Eukaryota as opposed to Linnaeus' simpler kingdoms.

The changes to Linnaean taxonomy ultimately allow for a classification system that is adaptable and potentially more accurate, accommodating new scientific discoveries and perspectives on the nature of life.

The correct option is Oscar determines the mineral content of rock core samples at different depths in Earth’s crust

We know that Earth layers are divided into different distances from its core. They vary from depth to depth inside the earths core. The layers of earth are basically formed by the types of rocks inside it. The very internal shape of earth contains molten rocks and the very outer layer called the crust has hard rocks so we can say that the types of rocks is responsible for the formation of earth's layers.

The Earth is made up of several layers, which are situated at different depths from the core. The method to show differences among Earth's layers is:

Oscar determines the mineral content of rock core samples at different depths in Earth’s layers.

The Earth is made up of several layers, namely, crust, core, and mantle. These layers are situated at different depths and exhibit different properties. The layers are generally distinguished based on the composition of rock materials and their depth from the core. For instance, the crust of the Earth is hard, whereas the internal layers consist of molten rocks. Thus, different types of rocks shape the Earth layers.

Reasons for incorrect answers:

Therefore, the Oscar method determining the mineral content of rock core samples at different depths can show differences in the Earth's layers.

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The answer is A, your saliva has enzymes that helps break down the food later on in the digestion process, and chewing helps break down the food.

The correct answer is A) Attractive

Answer:

Attractive

Explanation: