Can someone help me with this? I've asked my teachers and I'm still lost lol

Answer:

Snowy owl and Rough-legged hawk

Explanation:

Hard to tell but I believe I'm correct

Answer:

O B. Introduce ladybugs to eat the aphids

Explanation:

In crop production, there are certain pests known to categorically affect a particular crop plant. Hence, there are ways devised to tackle this issue of pest attack on crops. One of those ways is the "BIOLOGICAL CONTROL METHOD".

The biological control method involves the use of natural enemies to combat pest organisms. The natural enemies are living organisms that prey on the so called pest organism. This is the case in this question, where a specific aphid is known to infest spinach, peppers, and tomatoes.

The farmer will employ biological control method in stopping these aphids by introducing ladybugs to eat the aphids.

Yes, the Gause’s Principle is accurate and applicable in real life.

This law is also known as Gause's law. One resident will drive off the other one. If any of the life forms of the exhaust population remains, that would be because they have modified themselves according to the dissimilar niches.

Gause's laboratory experiment showed the process of competitive exclusion because he was able to separate the two species /living organisms and their common limiting resource such as food that is present in the laboratory.

Gause's principle of ruthless exclusion states that two species competing for the same restricted resource cannot coexist in the same niche forever. In ecology, the competitive exclusion principle, sometimes mention as Gause's law is a proposition.

So we conclude that The competitive barring principle, which is also known as Gause's law of competitive exclusion.

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It is true when you don't consume enough protein, your body will start using your muscles and organs as a source of protein.

A structure composed of amino acids. The body need proteins to function properly. They serve as the building blocks for several bodily components, including the skin, hair, and enzymes, cytokines, and antibodies.

A severe protein deficiency can hinder children's growth, contribute to fatty liver and skin, induce edema, and worsen infections. True deficiency is uncommon in affluent nations, although a low intake can lead to muscular atrophy and an increased risk of fractures.

Additionally, a lack of protein over time might cause you to lose muscle mass, which will reduce your strength, make it more difficult for you to maintain your balance, and slow down your metabolism.

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Answer:

1. Ribose (type of sugar found in ATP and ADP molecules)

2. The 3 phosphate groups (Energy is stored in the 3 phosphate groups and in order to bring the stored energy to use, the last phosphate bond breaks and energy is released)

3. ATP has a higher energy potential than ADP (This is cuz, ATP has 3 phosphate groups and ADP has 2 phosphate groups)

Hope this helps!

Carcinogens are the agents that cause cancer in an organism and can be man-made or natural. Latex is not a type of carcinogen. Thus, option a is correct.

Carcinogens are the substances that can be a chemical or a biological compound that are capable of causing cancers. They can be natural agents like UV rays from sun, solar radiations, or viruses or can be a man-made substance like tobacco, nicotine, fumes.

These substances are capable of causing genetic mutations by altering the genomic sequence and the nitrogenous base that affects the genotype and the phenotype. The carcinogens leads to growth of abnormal and cancerous cells. Latex is a secondary metabolite that doe not causes cancer.

Therefore, option a. latex is not a carcinogenic agent.

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Crossing over, Independent assortment, and Random fertilization are the three meiotic events that affect genetic variation.

Crossing over: A process known as crossing over occurs when homologous chromosomes couple up and exchange genetic material during prophase I. Genetic variety is the outcome of this, which causes the development of chromosomes with novel gene combinations.

Independent assortment: The chromosomes arrange at random along the cell equator during metaphase I. This indicates that there is an equal likelihood for each pair of homologous chromosomes to be found in either daughter cell. Genetic variety results from the varied chromosomal arrangements in each daughter cell as a result.

Random fertilization: During fertilization, sperm and egg cells combine to form a zygote. Since sperm and egg cells are produced through meiosis, each one carries a unique combination of chromosomes.

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Answer:

grrr science I aint helping LOL! im kidding HERE hope this helllpppsssss! (:

Explanation:

Plants have two major structural systems: the root system and the shoot system. ... The shoot system transports water and nutrients to leaves and flowers. The leaves of the plant are the main location for photosynthesis. Plant reproduction occurs through pollination of the flower and fertilization.

Plants have a root system, a stem or trunk, branches, leaves, and reproductive structures (sometimes flowers, sometimes cones or spores, and so on). Most plants are vascular, which means they have a system of tubules inside them that carry nutrients around the plant.

Unlike animals, however, plants use energy from sunlight to form sugars during photosynthesis. In addition, plant cells have cell walls, plastids, and a large central vacuole: structures that are not found in animal cells. Each of these cellular structures plays a specific role in plant structure and function.

Answer:

releases energy

Explanation:

Answer:

The cell releases oxygen The cell releases stored energy

Explanation:

During cellular respiration, the mitochondria take in carbon dioxide and purify it back into oxygen. Huamns also have this process, but in a much smaller manner. This process is what gives us oxygen on our planet.

The nurse should administer 1.5 mg of ampicillin IV to the  5-month-old patient with a recurrent respiratory infection.

Respiratory infection is the infection of the respiratory system, especially of the respiratory pathways like the nose, throat, bronchi, etc. They usually are mild in nature which can be relieved on their own, However some diseases can cause severe effects. The examples are cold, common flu, COVID-19, etc.

The amount of ampicillin can be calculated by using the Desired over Have formula, that can be expressed as:
Dose ordered / Dose Have = Amount needed to be given.
Therefore 375 / 250 = 1.5 mg

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Answer:

Plant cells have a cell membrane and a cell wall Animal cells only have a cell membrane.

I hope it helps

have a nice day

The body area where this specimen was collected is thorax when a thoracentesis specimen was collected and sent to the laboratory for testing.

The thorax is the place among the stomach inferiorly and the foundation of the neck superiorly. It paperwork from the thoracic wall, its superficial structures (breast, muscles, and skin) and the thoracic cavity. The location of the frame among the neck and the stomach. The thorax carries important organs, inclusive of the heart, fundamental blood vessels, and lungs. It is supported through the ribs, breastbone, and spine. A skinny muscle referred to as the diaphragm separates the thorax from the stomach. It gives a base for the muscle attachment of the higher extremities, the pinnacle and neck, the vertebral column, and the pelvis. The thorax additionally gives safety for the heart, lungs, and viscera.

Thus, the body area is known as thorax.

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Results from various climate model simulations suggest that the Global average temperature in 2100 could be 1.1 to 5.4 °C (2 to 9.7 °F) higher than today. The main cause of this temperature rise is "greenhouse gases" that trap carbon dioxide and other heat produced by human activity.

Global average temperature is projected to increase by 2°F to 11.5°F by 2100, depending on future greenhouse gas emission levels and the results of various climate models.

Fossil fuels release carbon dioxide, a greenhouse gas that can increase the average temperature of the earth. In a high-emissions scenario, global temperatures could rise by 4.4 degrees by 2100, says the IPCC, with potentially catastrophic consequences.

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It is true that If LaL turns into a gel when exposed to a sample, it means the sample is contaminated with gram-negative bacteria.

Both the color and the turbidity of LAL are used to identify endotoxins. The mixture turns yellow when the kinetic chromogenic LAL reagent reacts with endotoxins. By looking for pyrogenic responses in horseshoe crab blood cells, this identifies the presence of bacterial endotoxins. The outer membrane of Gram-negative bacteria contains endotoxins. In order to ensure product safety and quality in the medical and pharmaceutical industries, their detection is essential. Gram-negative bacteria's outer membrane and cell wall are primarily made up of endotoxins.

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(complete question)

If LaL turns into a gel when exposed to a sample, it means the sample is contaminated with gram-negative bacteria.

true or false.

Answer:

Matter can be arranged in a variety of ways, including as a solid, liquid, or gas.

We can model the arrangement of matter using the kinetic molecular theory

Explanation:

Matter can be arranged in a variety of ways, including as a solid, liquid, or gas. In a solid, the particles that make up the matter are packed closely together and are not able to move around freely.

In a liquid, the particles are more spread out and are able to move around a bit more, but are still close together. In a gas, the particles are very spread out and are able to move around freely.

We can model the arrangement of matter using the kinetic molecular theory, which states that the particles in a substance are in constant motion and that the properties of the substance depend on the average kinetic energy of the particles.

This theory helps us understand how matter behaves and how it changes between different states.

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Answer:

b

Explanation:

i got a hundred on it

The differential inheritance of genes for two different traits may be a valid conclusion based on Mendel's experiments.

Mendel concluded that traits can be divided into overt and latent traits. He named these dominant and recessive traits respectively. Dominant traits are traits that are inherited unchanged by hybridization.

The key principles of Mendelian inheritance are summarized by Mendel's three laws: Law of Independent Collection, Law of Domination, Law of Separation.

Through his pea breeding experiments, Mendel developed his three principles of inheritance that account for the transmission of genetic traits before anyone knew of their existence. Mendel's discoveries greatly expanded our understanding of heredity and led to the development of new experimental methods.

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Answer: Chloroplast

Explanation:

Answer:

Mineralocorticoid

Explanation:

Answer:

Aldosterone

Explanation:

Hope this helps!

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In toxicity testing, the dose of a chemical above which there is a measurable decline in the health of the organism being tested is referred to as the toxicity threshold.

A level of the dose above which the toxic effects of the dose can be observed in an organism is known as the toxicity threshold.

Below the threshold dose, no toxic effects are observed. Toxicity testing, also referred to as safety testing or toxicity analysis, is the study of the extent to which an interested substance adversely affects an organism’s normal functions, based on exposure time, exposure route, and concentration of the substance.

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Answer:

C. Clones

Explanation:

Clone definition: An organism or cell, or group of organisms or cells, produced asexually from one ancestor or stock, to which they are genetically identical.

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The light-independent reactions use stored chemical energy from the light-dependent reactions in order to fix carbondioxide gas and create a product that can be converted into glucose.

Photosynthesis is that kind of process in which green plants and organisms prepare their own food in the presence of sunlight to neutralize the reaction.

The process of photosynthesis takes place in two stages one stage is known as a light-dependent reaction while the other stage is known as a light-independent reaction.

ATP Synthase:

The ATP synthase is also known as a mitochondrial enzyme which is localized inside the inner membrane, where it catalyzes the synthesis of ATP from ADP and phosphate.

Calvin Cycle:

The process of the chemical reaction is performed by the plants for the reduction of carbon dioxide and other compounds into glucose.

Electron Transport Chain:

The electron transport chain is that chain in which a series of four protein complexes couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation.

Photosystem 1:

In this system, the proteins are responsible for the precise arrangement of cofactors and determining redox properties of the electron transfer centers.

Photosystem 2:

First of all the photosystem 2 precise arrangement of cofactors and determine the redox properties of the electron transfer centers.

So we can conclude that the process of photosynthesis is in which the green plants and organisms prepare their own food in the presence of sunlight and oxygen.

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Gravity holds the sun, earth, and moon together, and these three bodies engage in a variety of interactions. Due to the earth's gravitational attraction, the moon revolves the planet. And because of the sun's gravitational attraction, the earth orbits the star.

The Moon travels in tandem with Earth's orbit around the Sun. Despite the Earth's continued motion, the Moon must travel two additional days during its orbit, which lasts 27 1/2 days.

The Moon is 384,403 kilometres away from Earth on average. Additionally, there are 149,597,887 kilometres between the Earth and the Sun on average.

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The factors that affect genetic variation are genetic mutations, gene flow, genetic drift and random mating.

Genetic variations are the changes in the genetic sequence of the DNA. These genetic variations are important as they allow the living beings to evolve and survive. There are certain factors which affect genetic variation and they are genetic mutations, gene flow, genetic drift and random mating.

A genetic mutation is basically a change in the DNA sequence of a  particular gene which causes a different product to form. It is able to create a permanent change to that particular gene's DNA sequence. Gene flow can be defined as the movement of genes in and out of a specific population. Genetic drift is the change in allelic frequency by chance. Random mating is the mating of individuals which is not dictated by any social or genetic preference.

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Answer: Positive and Negative

Explanation: As these early farmers became better at cultivating food, they may have produced surplus seeds and crops that required storage. This would have both spurred population growth because of more consistent food availability and required a more settled way of life with the need to store seeds and tend crops.

Answer:

Explanation:

Both ferns and cedar trees rely on wind-dispersed pollen to successfully fertilize themselves.

Ferns are a group of vascular plants that reproduce via spores. These spores are produced in clusters called sori, which are found on the underside of fern fronds. The spores are released from the sori, and are carried away by the wind to fertilize other ferns.

Cedar trees, which are coniferous trees, also rely on wind to disperse their pollen. The male and female cones of the tree are separate, with the male cones releasing pollen into the air which is carried by the wind to fertilize the female cones on the same or nearby trees.

Both ferns and cedar tree do not produce flowers or rely on animal vectors (like bees or butterflies) for pollen transport, they use the wind to move their reproductive cells and complete the fertilization process.

Answer:

The answer is A. industrial use of water is greater than the amount used to cool power plants.

Explanation:

it just is