Plants are used on slopes to prevent erosion. Which of these plants would be the best choice to plant on a slope to provide erosion control? A. dandelions B. grass C. oak trees D. hickory trees

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

Answer:

The correct answer is option C) The thick atmosphere scatters all but longer wavelengths

Explanation:

The sky is orange and red at sunrise at sunset because  The thick atmosphere scatters all but longer wavelengths.

The visible range of light, red light waves are scattered the least by atmospheric gas molecules. Therefore at sunrise and sunset, the rays of longer wavelength give the effect of red light texture in the sky while other smaller wavelengths scatter away.

C is right i got a 100 on my quiz <3

The correct answer is A) Attractive

Answer:

Attractive

Explanation:

ANIMAL CELLS have a plasma membrane, mitochondria, ribosomes, cell nucleus, Golgi apparatus, and endoplasmic reticulum, but they lack cell walls or chloroplasts.

All eukaryotic cells have:

In conclusion, ANIMAL CELLS have a plasma membrane, mitochondria, ribosomes, cell nucleus, Golgi apparatus, and endoplasmic reticulum, but they lack cell walls or chloroplasts.

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Answer:

D. they only reproduce with one another.

Explanation:

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.

Answer:The red crab spider hunt and feed on insects that are found on the nectar of flowers. The red crab spider is adapted to its unique hunting style in the following ways It can change its color to blend with the environment

The red crab spider is adapted for its unique method of hunting because it hold its prey and inject venom in its body by biting.

Crab spiders capture their prey with their front four legs and bite it in order to inject venom to paralyze their meal. The use of venom allows crab spiders to capture and eat large insects.

So we can conclude that the red crab spider is adapted for its unique method of hunting because it hold its prey and inject venom in its body by biting.

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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 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:

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.

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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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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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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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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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Q: On steep slopes and mountains,____ helps reduce erosion by creating level areas for crops.

A: terracing

Answer: A

Explanation:

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.

Audience effect is for people to perform differently when in the presence of others than when alone compared to their performance when alone when in the presence of others they perform better on simple or well-rehearsed tasks and worse on complex or new ones

Answer:

Social facilitation help people especially those who perform a difficult task by enhancing their skill and efficiency when they work in a group rather when they work individually.

Explanation:

Social facilitation is the continuous process of improvement in an individual when he/she works in a group or team. Working with others help an individual to learn and improve himself/herself which is otherwise not possible if he/she works alone.

Continuous improvement in skill sets help an individual to take up difficult task more rigorously and efficiently.

Hence, Social facilitation help people especially those who perform a difficult task by enhancing their skill and efficiency when they work in a group rather when they work individually.

It would be A because the ice in the cup is a solid, the melted ice is water which is a liquid, and the boiling water vapor is gas.

The answer is A)

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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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Light from a mirror is reflected up through the specimen, or object to be viewed, into the powerful objective lens, which produces the first magnification. The image produced by the objective lens is then magnified again by the eyepiece lens, which acts as a simple magnifying glass.

Answer:

Reflection and magnification

Explanation:

A light microscope reflects and enlarges an image from a specimen. The specimen can be anything. It can be a plant cell, animal cell or in most advanced cases, small organisms such as viruses.

The light microscope depends on light. The light can be artificial or electric light. The light is shot through the specimen. It is reflected on the primary lenses. This light is reflected and magnified on the secondary lenses. This produces a magnified image.

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:

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

Explanation:

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 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

Reputake refers to the process in the brain of neurons to retrieve chemicals that were not received by the next neuron.

Cell wall and Chloroplast

Answer:

Cell walls and chloroplasts

Explanation:

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

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17. The graph below shows the effect of

temperature on the relative rate of

action of enzyme X on a protein.

10 20 30 40 50 60 70 80

Temperature (°C)

Which change we not affect the

relative rate of a Qenzyme X?

(1) the addition of cold water when

the reaction is at 50°C

(2) an increase in temperature from

70°C to 80°C

(3) the removal of the protein when

the reaction is at 30°C

(4) a decrease in temperature from

40°C to 10°C

17

Brainly Ginny character avatar

AI-generated answer

The graph shows the effect of temperature on the relative rate of action of enzyme X on a protein. To determine which change would not affect the relative rate of enzyme X, let's analyze each option:

(1) The addition of cold water when the reaction is at 50°C:

Adding cold water would lower the temperature, which could potentially decrease the rate of enzyme activity. Therefore, this change would affect the relative rate of enzyme X.

(2) An increase in temperature from 70°C to 80°C:

Increasing the temperature typically increases the rate of enzyme activity. So, this change would likely affect the relative rate of enzyme X.

(3) The removal of the protein when the reaction is at 30°C:

Removing the protein would eliminate the substrate for enzyme X to act upon. Without the substrate, the enzyme cannot catalyze the reaction, resulting in no rate of enzyme activity. Therefore, this change would affect the relative rate of enzyme X.

(4) A decrease in temperature from 40°C to 10°C:

Lowering the temperature usually decreases the rate of enzyme activity. So, this change would likely affect the relative rate of enzyme X.

Based on the analysis, option (3) - the removal of the protein when the reaction is at 30°C - would not affect the relative rate of enzyme X. Removing the protein would stop the reaction entirely, regardless of the temperature.

Explanation: In summary, option (3) would not affect the relative rate of enzyme X.

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Based on the image given, which shows a graph of the effect of temperature on the relative rate of action of enzyme X on a protein, the change that would not affect the relative rate of action of enzyme X is:

(2) An increase in temperature from 70°C to 80°C.

Here's why:

The graph shows that the relative rate of action of enzyme X increases as the temperature increases up to a certain point, which is around 70°C in this case. This is because higher temperatures provide more kinetic energy to the enzyme molecules, making them more likely to collide with substrate molecules and form enzyme-substrate complexes.

However, once the temperature reaches a certain optimal point, further increases in temperature can start to denature the enzyme. Denaturation is the process by which the enzyme's three-dimensional structure unfolds and loses its function. This is because high temperatures can break the bonds that hold the enzyme's structure together.

In the graph, we can see that the relative rate of action of enzyme X starts to decrease after 70°C. This suggests that enzyme X is starting to denature at this temperature.

Therefore, an increase in temperature from 70°C to 80°C would likely cause further denaturation of enzyme X, leading to a decrease in its relative rate of action.

Here's a summary of the changes and their effects on the relative rate of action of enzyme X:

Shown in the diagram.

Complete Question:

Answer:

viruses have a life cycle. They are formed in a host cell, then they infect another host cell which produces more of the virus. Viruses are not living because they are not made of cells and require another organism to reproduce.  Bacteria are living organisms. They reproduce on their own without a partner. They use energy and they respond to their environment.

Explanation: