why aren’t arthropods priapulids, annelids, brachiopods and mollusks a clade? how would you make it a clade?

Answer:

autotrophic nutrition

Answer:

Photosynthesis is an example of Anabolism and endergonic reactions.

Explanation:

Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water.  Hence Photosynthesis is an example of Anabolism and endergonic reactions.

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grass goes first then insects then Meerkats

Option (a) is the correct answer as the nucleus of an atom can either be positively charged or neutral.

Atoms are fundamental constituents of all matter. The three subatomic components of an atom are protons, neutrons, and electrons.

Only protons and neutrons make up the nucleus of an atom, while the nucleus is surrounded by electrons. The charge of protons, electrons and neutrons is positive, negative and neutral respectively.

Equivalent numbers of protons and electrons make up a neutral atom. As a result, the atom turns neutral since positive and negative charges cancel each other out.

A nucleus of an atom can therefore either be neutral or be positively charged.

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Answer:

high elevation with nearly horizontal layers of  bedrock

Explanation:

A plateau is a an area of relatively high ground.

Answer:

They provide the energy to form carbohydrates from carbon dioxide molecules. The light-independent reactions are sometimes called the Calvin cycle because of the cyclical nature of the process.

Explanation:

Answer:wbc or white blood cells

Explanation:

Answer:

Tbh i have that question too

Explanation:

Asexual reproduction requires one parent, while sexual reproduction requires two

The biological process by which new individual organisms - "offspring" - are formed from their "parent" or parents is known as reproduction. Each individual organism exists as a result of reproduction, which is a fundamental aspect of all known life. Asexual and sexual reproduction are the two types of reproduction.

Asexual reproduction is a type of reproduction in which a single parent produces a new progeny. The newly generated individuals are genetically and physically identical to one another, i.e., they are clones of their parents.

On the other hand, sexual reproduction is the process of creating new organisms by combining the genetic information of two individuals of different sexes. The genetic information in most animals is carried on chromosomes in the nucleus of reproductive cells called gametes, which unite to form a diploid zygote.

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Answer:

Across the Chesapeake Bay watershed, 23 percent of the land is used for agriculture and almost 12 percent has been developed. Most of the remaining land is forested.

Answer:

Case Studies, Checklists, Interviews, Observation sometimes, and Surveys or Questionnaires are all tools used to collect data. It is important to decide the tools for data collection because research is carried out in different ways and for different.

Explanation:

please mark me brainleast

Answer:

B

Explanation:

Increasing greenhouse gases would lead to an increase in the average global temperature throughout this century.

Answer:In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear.

Answer: Hijacking of host cell's metabolic action

Answer: D is the answer.

Explanation:

Consider the following strand being sequenced by the Sanger method with dTTP, dCTP, dGTP, DATP and ddATP: CTACTACGC What issues would you encounter using too high of a concentration of ddATP d. very little GCGTAGTA would be formed.

The Sanger sequencing method involves the dideoxy chain termination technique. In this method, the dideoxynucleotide chain terminator (ddNTP) analogs (ddATP, ddCTP, ddGTP, and ddTTP) stop the extension of the newly synthesized DNA strands as they lack the hydroxyl (-OH) group necessary for DNA strand elongation. However, if the concentration of ddNTP analogs in the reaction mixture is too high, the sequencing reaction will terminate prematurely, and only a limited length of DNA sequences will be produced before chain termination. In other words, the more ddNTP analogs added to the sequencing reaction, the shorter the length of the resulting DNA strand.

The sequencing of the given strand would have very little GA formation if the concentration of ddATP was too high. Consequently, very little GCGTAGTA would be formed. The presence of high ddATP concentrations would lead to the early termination of the sequencing reaction, resulting in short lengths of DNA sequences being formed. The shorter DNA sequence would lead to very little GA formation, as well as very little GCGTAGTA being formed as ddATP is the last base in this sequence. Therefore, the correct option is d. very little GCGTAGTA would be formed.

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The phenomena showed a ratio of 12, 3, 1 for combinations of two dogs (golden fur and black fur) as dominant epistasis.

The interаction between two dogs together, one with golden fur and one with black fur, color is recessive to no color аt one аllelic pаir. This recessive аllele must be expressed before the specific color аllele аt а second locus is expressed. Аt the first gene golden colored dog is dominаnt to the black colored dog, аnd the gene symbols аre G = golden аnd g = colored. Аt the second gene balck is dominаnt to golden, аnd the symbols used аre B = black, b = colored. If the dihybrid is selfed, three phenotypes аre produced in а 12:3:1 rаtio.

9 G_B_  Golden  Dominant golden allele negates effect of G allele

3 G_bb  Black  Dominant black allele negates effect of G allele

3 ggB_  Golden  Recessive color allele allows golden allele expression

1 ggbb  Black  Recessive color allele allows black allele expression

Becаuse the presence of the dominаnt G аllele mаsks the effects of either the B or g аllele, this type of interаction is cаlled dominаnt epistаsis.

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These are details on how a factory located a hundred miles away from a vegetable farm can affect the farm's crops:

Air Pollution: Factories often emit various pollutants into the air, such as smoke, gases, and particulate matter. These pollutants can travel through the air and settle on the crops at the farm. Over time, the accumulation of pollutants can affect the health and growth of the crops, leading to reduced yield and lower quality produce.

Water Contamination: Factories may release wastewater or chemicals into nearby water bodies, such as rivers or streams. If the factory's wastewater or chemical discharge finds its way into the water sources used for irrigation on the vegetable farm, it can contaminate the water supply. When crops are irrigated with contaminated water, they can absorb harmful substances, impacting their growth and potentially rendering them unsafe for consumption.

Soil Contamination: Some factories produce waste materials that are disposed of improperly or contain toxic substances. If these waste materials are not managed effectively, they can seep into the soil and contaminate the farmland. When crops are grown in contaminated soil, they can take up the toxins, affecting their health and potentially making them unfit for consumption.

Acid Rain: Factories that release pollutants like sulfur dioxide and nitrogen oxide can contribute to the formation of acid rain. Acid rain occurs when these pollutants combine with water vapor in the atmosphere and fall back to the ground. Acid rain can negatively impact the pH balance of the soil, making it less suitable for growing crops.

Climate Change: Industrial activities contribute to the emission of greenhouse gases, such as carbon dioxide, which contribute to global climate change. Climate change can alter temperature and precipitation patterns, leading to shifts in growing seasons, irregular rainfall, and extreme weather events.

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Answer:

Hope this file helps!

Explanation:

If a plant is allowed to grow from seed on a rotating platform, it will grow at an angle, pointing inward. So, the statement is True.

This phenomenon is known as gravitropism, which is the plant's ability to sense the direction of gravity and grow in response to it. When the platform rotates, the plant will experience a change in gravitational force, causing it to adjust its growth angle in order to maintain an upright position. As a result, the plant will appear to be growing at an angle, pointing inward. This effect can be seen in many different types of plants, including those grown in space, where there is no gravity to provide a consistent growth direction. Understanding how gravitropism works can be important for plant growth in space or other environments where the gravitational force may be disrupted, as it can affect the plant's ability to absorb nutrients and water. Hence, when it grows on a rotating platform, it will grow pointing inward.

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The male parts are called stamens and typically encompass the pistil. The stamen is comprised of two sections: the anther and fibre. The anther produces dust (male regenerative cells). The fibre holds the anther up.

In viable fertilization, dust tubes bringing two sperm cells develop through the pistil communicating parcel and are definitively directed to the ovules, releasing the sperm cells to the undeveloped organism sac for fertilization.

What is pollination?

Pollination is a vital piece of the existing pattern of a blossoming plant. It is important for the sexual proliferation cycle of blooming plants, which brings about seeds that will develop into new plants. Blossoms are the designs of blooming plants that contain every one of the specific parts required for sexual proliferation.

Plants have gametes, which contain a portion of the ordinary number of chromosomes for that plant species. Male gametes are found inside little dust grains on the anthers of blossoms. Female gametes are tracked down in the ovules of a bloom. Pollination is the cycle that brings these male and female gametes together.

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During normal, quiet breathing, expiration is a passive process that does not require the contraction of any muscles. Instead, it is driven by the elastic recoil of the lungs and chest wall, which causes the diaphragm to relax and return to its dome shape, pushing air out of the lungs.

However, expiration can become an active or forced process under certain conditions, such as during exercise or when a person is experiencing respiratory distress.

In these situations, the body may need to increase the rate or depth of breathing, which requires the use of additional muscles to actively contract and force air out of the lungs.

The main muscles involved in forced expiration are the abdominal muscles and the internal intercostal muscles. The contraction of the abdominal muscles pushes the abdominal organs upward, which increases the pressure in the abdominal cavity and forces the diaphragm upward, further compressing the lungs and helping to expel air. The internal intercostal muscles contract to pull the ribs downward, decreasing the volume of the chest cavity and helping to expel air.

Forced expiration can also be aided by pursed lip breathing, which involves exhaling through pursed lips to create back pressure in the airways, which helps keep them open and facilitates the expulsion of air from the lungs.

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Answer:B

Explanation

to be completely honesty i have no knowledge if learning the current benefactor of the object asked in this particular question.

An ecosystem experiences a volcanic eruption that covers the area with lava. Organisms moss is most likely to be a pioneer species in this ecosystem.

An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.

Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. They provide raw materials and resources for medicines and other purposes.

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Evidence such as similarity in DNA make-up, embryological and anatomical similarity shows that primates share a common ancestor.

Primates are mammals which belong to the order primates.

Primates have unique features such as:

Primates include man, monkeys, chimpanzee, etc.

The primates share a common ancestor as their anatomical structure are similar with hands and feet.

Embryologically, they are similar too and they share over 90% of their DNA in common.

Based on value, the DNA evidence is the most supportive of common ancestors as the DNA determines the other features of the primates.

Therefore, evidence such as similarity in DNA make-up, embryological and anatomical similarity shows that primates share a common ancestor.

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Answer:

By studiying and aying attention in class

Explanation:

Answer:

The answer is:

By studying. By exploring. By paying attention to the lessons)

Explanation:

Suppose you provide an actively dividing culture of E. coli with radioactive thymine. If the cell replicates its DNA and divides once in the presence of the radioactive base then e. DNA in both daughter cells would be radioactive.

An E.coli divides itself into two daughter cells by splitting in two cells after the process of mitosis. If an actively dividing E.coli cell is treated with radioactive thymine, then we can infer that the radioactive base has been incorporated in its DNA if it is found in both the daughter cells of the actively dividing E.coli cell.

We will see the radioactive thymine in both the daughter cells because of the process of division of E.coli is mitosis as a result of which the parent and daughter cells formed are all genetically identical and copies of each other.

Although a part of your question is missing, you might be referring to this question:

Suppose you are provided with an actively dividing culture of E. Coli bacteria to which radioactive thymine has been added. What would happen if a cell replicates once in the presence of this radioactive base?

a. One of the daughter cells, but not the other, would have radioactive DNA.

b. Neither of the two daughter cells would be radioactive.

c. All four bases of the DNA would be radioactive.

d. Radioactive thymine would pair with nonradioactive guanine.

e. DNA in both daughter cells would be radioactive.

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D, water, energy. The stem transports water and nutrients from the roots to the leaves, where they are used to make food. The stem also transports food from the leaves to the rest of the plant, where it is used for growth and reproduction.

Transports water and nutrients from the roots to the leaves: The stem contains vascular tissue, which is a network of tubes that transport water and nutrients from the roots to the leaves. The water and nutrients are used by the leaves to make food through photosynthesis.

Transports food from the leaves to the rest of the plant: The stem also contains vascular tissue, which transports food from the leaves to the rest of the plant. The food is used by the rest of the plant for growth and reproduction.

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Answer:

The siamese fighting fish (also commonly known as betta fish) is a freshwater fish found in some parts of asia. They are known to fight other fish of their kind, hence the name siamese fighting fish. They usually live between 2-5 years in captivity.

The seven major fish body forms are- fusiform, compressiform, anguilliform, filiform, depressiform, sagittiform, and globiform.

Below are the descriptions of the three body forms and how their physical characteristics are related to their  habitat and niches:Fusiform body form: This body form has a streamlined shape that allows for easy movement through the water. It is most commonly found in open-water fish, such as tuna and mackerel, that need to move quickly to catch prey and avoid predators. Its narrow shape reduces drag, which increases its swimming speed. The fusiform body form is particularly adapted for fast swimming, and it is typically found in fish that are pelagic (live in open water).

Compressiform body form: This body form is flattened from side to side, which gives the fish a ribbon-like appearance. The compressiform body form is well adapted to moving through the water by means of quick, darting movements. They are generally found in areas of shallow water or near the bottom of the sea floor, where they can quickly move to escape danger. For example, eels use the compressiform body form to move quickly through small crevices.Anguilliform body form: This body form is characterized by a long, thin shape that allows the fish to easily move through the water.

This body form is found in fish like eels, which live in narrow spaces such as burrows, rock crevices, or coral reefs. The elongated and flexible body structure of anguilliform fish enables them to move through complex environments easily.In summary, the physical characteristics of fish are related to their habitats and niches. Each of these three body forms is adapted to different environments, from open water to rocky crevices, and each is suited to a different type of swimming or movement.

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The indicated cell is currently in the Metaphase phase. The correct option is D.

In metaphase, the nuclear envelope has already broken down, allowing the chromosomes to be exposed in the cytoplasm.

The chromosomes, which consist of two sister chromatids held together by a centromere, condense and become more visible.

They move towards the center of the cell and arrange themselves in a single plane, forming a line at the metaphase plate.

At this stage, the microtubules of the mitotic spindle called the kinetochore microtubules, attach to the kinetochores located on the centromeres of each chromosome.

The kinetochore microtubules exert tension on the chromosomes, aligning them at the metaphase plate with equal spacing between each chromosome.

Thus, the correct option is D.

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The four menstural phases are;

The term Menstural phases refers to the stages that a woman has to pass through as she completes the regular monthly cycle.

There are four menstural phases which are;

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Answer:

The menstrual phase is the first stage of the menstrual cycle. It's also when you get your period. This phase starts when an egg from the previous cycle isn't fertilized. Because pregnancy hasn't taken place, levels of the hormones estrogen and progesterone drop.

Explanation:

Answer:

ot

Explanation:

because that is my answer

Answer:

Peristalsis

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