Sharks feed on a wide variety of prey and have low mortality rates. It is important that an
ecosystem containing sharks contain a high degree of biodiversity. If an ecosystem
containing sharks does not contain a high degree of biodiversity, the sharks will consume
A the immature members of key species, and the ecosystem will no longer be stable.
B many members of a key species, and the ecosystem will no longer be stable.
C the adult members of key species, and the ecosystem will remain stable.
D a few members of a key species, and the ecosystem will remain stable.

Answer:

producers

Explanation:

:)

The level of a food pyramid which represents the largest number of organisms is the Producers level. Producers are the first trophic level of a food chain.

Producers consist of the group of all the organisms which can produce their own food through the process of photosynthesis. They usually include all the green plants. These organisms trap the energy from the sun and use it to synthesize the carbohydrate (food) by the process of photosynthesis. All the other organisms depend on the producers for their food.

The bottom and largest level of the food pyramid is the producers and it contains the largest amount of energy in a food chain or a food web. As you move up in the pyramid, through the different trophic levels to primary, secondary and tertiary consumers, the amount of energy decreases and the levels become smaller and smaller in number as well as energy.

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Answer:

1. one serving

2. 55 grams

3. 55 grams

4. 0g

5. ?

A commonality between type I and type II topoisomerases is that they both: (E) All of the above.

Both type I and type II topoisomerases share several commonalities:

A) They both change the linking number of DNA in increments of 1 or 2, altering the supercoiling of DNA.

B) They both require ATP for their enzymatic activity. ATP provides the energy needed for the topoisomerase to carry out its function.

C) They both go through a mechanism involving a covalent enzyme-substrate intermediate. This intermediate allows the topoisomerase to transiently break and rejoin DNA strands during the DNA manipulation process.

D) Both type I and type II topoisomerases can be inhibited by quinoline antibiotics, which specifically target these enzymes to interfere with their function.

Therefore, all of the above options are correct and represent commonalities between type I and type II topoisomerases.

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Lyrissa's age and physical condition suggests that she may be suffering from marasmus.

Marasmus is a severe form of malnutrition caused by a lack of protein and calories, forcing the body to break down its own tissues for energy. This causes muscle and fat tissue atrophy, as well as a significant fall in body weight.

Rickets is a disorder caused by a lack of vitamin D that produces weak bones, whereas hypoglycemia is defined as low blood sugar levels. Kwashiorkor is a kind of severe malnutrition, but it is distinguished by a distinct set of symptoms, including edoema, skin and hair abnormalities, and liver damage, which are not addressed in the available material.

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Diversity among members of a species is important because diversity increases the chances of survival under changing conditions.

If a disease spreads throughout a species, the species with genetic diversity will survive. If the species does not have genetic diversity, they will be wiped out by the disease.

Answer:

the answer is C. The plant received both alleles from both the parents.

Explanation:

Myeloid (option e) is the one that is derived from bone marrow.

Any tissue from or derived from bone marrow is referred to as myelogenous tissue. In these senses, the terms are typically used synonymously, as is the case with chronic myeloid/myelogenous leukaemia. Myeloid tissue is tissue of bone marrow, of bone marrow cell lineage, or resembling bone marrow.

Myeloid or myelogenous cells in hematopoiesis are blood cells that develop from the common myeloid progenitor, which is CMP or CFU-GEMM, or, in a more restricted definition that is also frequently used, particularly from the lineage of the myeloblast (the myelocytes, monocytes, and their daughter types). Thus, myeloid cells in the strictest sense of the word can be distinguished from lymphoid cells, or lymphocytes, which are derived from the same lymphoid progenitor cells that give rise to B cells and T cells, even though all blood cells, including lymphocytes, are typically born in the bone marrow in adults. Before they migrate to lymphatic organs like the spleen and thymus for antigen challenge training, those cells' differentiation is not finished. As a result, the term myeloid for leukocytes refers to the innate immune system, while lymphoid refers to the adaptive immune system. The term "erythroid" is frequently used to distinguish "erythrocyte-related" from both lymphoid and the sense of myeloid that refers to nonlymphocytic white blood cells.

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All the given events induce(s) the cardiac centers to call for an increase in cardiac output.

E is the correct answer.

Numerous signalling mechanisms, such as the stimulation of sympathetic tone, the release of catecholamines, and the movement of thyroid hormone, can increase cardiac output.

The elevated heart rate and somewhat elevated stroke volume are both responsible for the rise in cardiac output. Reduced parasympathetic activity of the SA node and increased sympathetic activity are the causes of the rise in heart rate.

Aspects that impact heart rate and stroke volume are among those that have an impact on cardiac output. Exercise, the autonomic nervous system, hormones, and body temperature are some of these variables.

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The difference in concentration of a solute across a membrane is called the concentration gradient.

A concentration gradient is important to the function of a cell because it is responsible for exchanging materials between a cell’s interior and exterior environments. This exchange happens through diffusion, a process in which a substance moves from an area of high concentration to an area of lower concentration.

In regards to a cell, this means that molecules such as proteins, ions, and other molecules are constantly being exchanged across the cell membrane, allowing for effective communication with the environment and aiding in the cell’s metabolism. This movement of molecules across a cell’s membrane is passive, which means there is no energy being used up to achieve this effect.

A concentration gradient is essential in maintaining life and is damaged when an external force acts on the cell. When this gradient is disturbed, diffusion is impaired and the cell’s responses are restricted, potentially leading to cell death if left unresloved.

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Answer:

Cell membranes are found in both bacteria and archaea, and they both feature a hydrophobic part. Both bacteria and archaea have a protective cell wall.

Explanation:

^^

Sydney's uterine tube scarring, which reduced the diameter by 75%, could lead to several potential effects. One significant impact is a higher risk of ectopic pregnancy, as the reduced diameter makes it difficult for a fertilized egg to pass through and implant in the uterus.

Additionally, the scarring may hinder the movement of sperm, making it harder for the sperm to reach the egg, thus reducing her chances of conception. This may ultimately contribute to fertility issues or even infertility in severe cases.

Lastly, if the uterine tubes become partially or completely blocked due to the scarring, Sydney may experience pelvic pain or an increased likelihood of infections. Overall, the scarring in her uterine tubes may impact her reproductive health and ability to conceive.

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Answer:

Biotechnology

Explanation:

Events related to the formation of the universe are linked to the states during which they occurred in the image below.

First, the expansion from an infinite hot spot is mentioned, better known as the planck era, it is where the fundamental forces of the universe would be unified and there is still no existence of particles.

Then it follows when the hydrogen fuses with the helium, this era is better called as the era of nucleosynthesis, in this era the atomic nuclei begin to be created thanks to this fusion, in order to generate the rest of the elements.

Finally, the first neutral atom is created, which with this event begins the era of atoms. In this era the electrons that will be free will begin to unite with the nuclei formed.

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Inheritance of recessive traits involving multiple alleles follows the same principles as with two alleles. However, with multiple alleles, there can be a greater variety of phenotypic expressions.

In a population with multiple alleles for a gene, each individual will have two copies of the gene. The expression of the trait will be determined by the combination of the two alleles an individual inherits. If an individual receives two copies of the recessive allele, they will express the recessive trait. However, if an individual inherits two different alleles, the dominant allele will be expressed, and the recessive allele will be masked. For example, in the ABO blood group system, there are three alleles: O is recessive, while A and B are codominant. An individual can have AA, BB, AB, AO, BO, or OO genotypes. The presence of the O allele results in the O blood group phenotype.  

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Answer:

nucleus

mitochondria

cell membrane

cytoplasm

ribosomes

Explanation:

During El Niño, drought conditions are expected to occur in Australia, and cool temperatures in the equatorial Pacific are expected. Fish yields in Peru may be unusually high, and the pressure gradient may increase.

El Nino is a weather event that occurs in the Pacific Ocean every few years. During El Nino, the sea surface temperatures in the eastern and central Pacific Ocean become significantly warmer than usual. The opposite weather pattern, known as La Nina, can also occur. El Nino can have a significant impact on global weather patterns. In the United States, for example, it can cause an increase in winter temperatures in the northern states and more rainfall in the southern states. In South America, it can lead to drought conditions on the Pacific coast and flooding in the Amazon basin.During El Nino, drought conditions are expected to occur in Australia, and cool temperatures in the equatorial Pacific are expected. Fish yields in Peru may be unusually high, and the pressure gradient may increase.

Thus, it can be concluded that El Nino can lead to drought conditions in Australia, cool temperatures in the equatorial Pacific, unusually high fish yields in Peru, and an increase in the pressure gradient.

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Answer:

It synthesize proteins and carry genetic information from DNA.

Explanation:

The role of RNA in the flowering of winter wheat is the synthesis of proteins needed for flowering of plant and also carrying the messenger instructions from DNA in which genetic instructions are present that is required for the growth and development of reproductive stage of winter wheat such as flower. So RNA role is very important in the flowering of winter wheat.

RNA synthesize protein for flowering of winter wheat from using the genetic information on DNA.

DNA:

DNA is a permanent storage of information inside a cell. Every cell contains the same DNA as other cell. Muscle cells and Neuron both have same DNA sequence but they are different.

This in because of gene expression, DNA transcribe the information into RNA and information on RNA sequence is used tor protein production.

Therefore, RNA synthesize protein for flowering of winter wheat from using the genetic information on DNA.

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Yellow Ostrilopes had a higher chance of surviving in areas where there were predators because they blended in. A trait of yellow was adaptability.

The weather has changed to be dry. In this population, the distribution of traits changed as generations progressed in this environment, changing the large diversity of water-storage traits to solely Level 9 water-storage traits, which are adaptive traits.

A characteristic is a feature of the entire or a specific part of an organism's developmental pattern. Hence, an adaptive trait is a feature of the developmental pattern that aids in the survival and/or reproduction of its bearer in a particular series of conditions. It is up to the person to adopt the adaptive trait.

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The man's gametes will contain either the dominant e gene and the dominant s gene or the recessive e gene and the recessive s gene.

Therefore, the possible combinations of genes in his gametes are: e and s, e and S (capital S represents the dominant S gene), E and s, and E and S. However, since the man has only one chromosome with the dominant e and S genes, the last combination is not possible. So, the correct answers are e and s, e and S, and E and s. In the given scenario, the man has one chromosome with the dominant genes (E for long eyelashes and S for straight hair) and another with the recessive genes (e for short eyelashes and s for curly hair). Assuming no crossing over occurs during meiosis, the possible combinations of genes in his gametes would be ES (long eyelashes, straight hair) and es (short eyelashes, curly hair). These combinations represent the two distinct chromosomes, and without recombination, they will be passed on as they are.

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Most bodies are found in a single surge layer. Therefore, option (E) is correct.

The majority of the bodies were found in a single surge layer, which is the main indicator of the timing of the most fatal incident. This implies that a catastrophic occurrence, like a natural disaster or a mass casualty event, took place at a certain period and caused the remains to be deposited in a concentrated layer.

This data suggests that a single incident, as opposed to several events spread out across time, was responsible for the high fatality rate. The presence of a distinct surge layer can offer important clues about the kind and timing of the incident that caused the fatalities.

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Answer:

the beaker

Explanation:

the beaker (0.5 m salt) has more solvent than the red blood cell (0.1 m salt). Therefore, it means that the red blood cell is hypotonic (more water/solute), and the beaker is hypertonic (more solvent/salt).

hope this helps! <3

Answer:

at least 1,000 people per square mile

Explanation:

I took the test it was correct. ( i know thats not an explanation im sorry but its correct).

Answer:

Reproduction

Hope it helps:)

Please mark as brainliest

Answer:1.) is LAW and 2.) is experiment

Explanation: i already did this

Answer:

Punnett squares are used today as a tool to predict the probability of certain traits being expressed in offspring. They are named after the scientist Reginald Punnett, who invented them in the early 20th century. The Punnett square works by organizing the alleles (different forms of a gene) from the parents into a grid. Each parent's alleles are placed along the top and left side of the grid. Then, every combination of alleles is shown in the boxes inside the grid. For example, if one parent has the alleles Aa and the other parent has the alleles aa, the grid would look like this: | a | a --|---|--- A |Aa | Aa --|---|--- a |aa | aa In this case, the offspring have a 50% chance of inheriting the dominant A allele and a

0 / 350

Gram staining is a type of stain that is the most frequently used differential stain in modern microbiology labs, differentiating microorganisms into two distinct groups.

The Gram stain is staining method use in microbiology laboratory to differentiate between gram positive organisms and gram negative organisms based on their cell walls.

Gram staining is form of staining that is in microbiology laboratory which was created by Christian Gram differentiate organisms with thick peptidoglycan which are Gram positive from organisms with thin peptidoglycan which are Gram negative.

Therefore, Gram staining is a type of stain that is the most frequently used differential stain in modern microbiology labs, differentiating microorganisms into two distinct groups.

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Each and every pair is correctly matched. In light of this, the right response is "There are no incorrectly matched pairs."

A highly developed and specialised organ, the mammary glands are found in pairs, one on each side of the anterior chest wall. Milk production is the organ's main job.

The primary hormonal signal that stimulates milk synthesis in the mammary glands is prolactin (PRL), which is released from lactotrophs of the anterior pituitary gland in response to suckling by the offspring.

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