three types of threats to biodiversity are: habitat loss and fragmentation the introduction of exotic, or non-native, species overexploitation, or overharvesting determine the type of threat that each of the following statements describes. drag each statement to the appropriate bin.

The wings of insects and birds are the result of convergent evolution, meaning that insects and birds have independently evolved structures that serve the same function (flight) but have done so in different ways.

Convergent evolution refers to the process where unrelated organisms independently develop similar traits or adaptations to adapt to similar environmental conditions or perform similar functions. In the case of insects and birds, both groups have evolved wings to achieve flight. However, the structures and mechanisms of their wings are fundamentally different. Insects have wings that are extensions of their exoskeleton, composed of thin membranes supported by a network of veins. On the other hand, birds have wings made of feathers attached to a framework of bones. Despite the differences, the wings of insects and birds serve the common function of enabling flight, illustrating convergent evolution.

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True. An aneurysm is a weakening in the wall of a vein that allows the to vessel bulge or rupture.

An aneurysm is an abnormal bulging or ballooning of a portion of a blood vessel, such as an artery or vein. The walls of the affected blood vessels are weakened in an aneurysm, which causes them to bulge out or widen. Aneurysms can happen in any blood vessel in the body, but they are more common in certain areas, such as the brain, abdomen, or legs.

Aneurysms can be asymptomatic and discovered incidentally on imaging studies. They may also have signs or symptoms that are related to the location of the aneurysm or the severity of the rupture.Some of the symptoms of an aneurysm include Pain or tenderness in the affected areaSwelling or bulging in the affected areaPulsing sensation in the affected area changes in vision or speechNausea and vomitingSeizuresLoss of consciousness.

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Answer:

A

Explanation:

The description of the given terms are as follows,

1. Cell plate - divides plant cells made of golgi bodies

2. Spindle - made of microtubules

3. Tumor - cluster of abnormal cells

4. Cancer - cells can skirt checkpoints

5. Telomere - shortens with age

6. Cleavage furrow - pinching

7. Centrosomes - cell organizing center

The cell cycle is a sequence of events in which the cells divide into daughter cells at the end of the process. It is divided into interphase and the M phase which be either meiosis or mitosis.

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Answer: *CFS*?

1) Biodiversity is the variety of living organisms on Earth, including the diversity of species, genes, and ecosystems.

2) The destruction of ecosystems can lead to a decline in species populations, ultimately resulting in a loss of biodiversity.

3) Habitat loss and poaching of wild animals both generally lead to a decrease in biodiversity. Habitat loss means that ecosystems are destroyed or altered, which can result in the loss of species and genetic diversity. Poaching of wild animals can cause the decline or even extinction of certain species, which can have ripple effects throughout the ecosystem and lead to a reduction in biodiversity. Creating protected ecosystems, on the other hand, can lead to an increase in biodiversity. By preserving and protecting natural habitats, ecosystems can remain intact, and species can continue to thrive. Protected areas can also provide a sanctuary for threatened or endangered species, allowing them to recover and potentially increase in population size. Overall, protected ecosystems can play a crucial role in maintaining and enhancing biodiversity.

4) Degradation is the process of breaking down or deteriorating, typically resulting in a decline in quality, value, or condition.

5) Reducing fishing pressure on threatened and endangered marine species is generally a beneficial action. Overfishing can have significant negative impacts on fish populations and the overall health of marine ecosystems, and can even lead to the extinction of certain species. By reducing fishing pressure on threatened and endangered species, we can help to protect these species from further decline and allow their populations to recover. This can lead to a more sustainable and healthy marine ecosystem with greater biodiversity. Breeding diseases and parasites that can transfer to wild fish is generally a form of degradation. Introducing diseases and parasites to wild fish populations can have significant negative impacts on the health and survival of these species. It can also disrupt the balance of the ecosystem and affect the overall biodiversity of the area. In addition, diseases and parasites can spread beyond the target species, potentially causing harm to other aquatic organisms and even to humans who consume contaminated fish. Therefore, it is important to take measures to prevent the spread of diseases and parasites in aquatic environments and to promote the health of wild fish populations. Creating jobs in coastal communities and using other fish species to feed farmed fish can have both beneficial and degrading aspects, depending on the specific circumstances. On the one hand, creating jobs in coastal communities can be beneficial by providing employment opportunities for local residents and contributing to the economic growth of the area. This can help to reduce poverty and improve the standard of living for people living in these communities. On the other hand, some forms of aquaculture (fish farming) can have negative impacts on the environment, such as pollution from fish waste and the use of antibiotics and other chemicals. In addition, using other fish species to feed farmed fish can contribute to overfishing and the depletion of wild fish populations, which can have negative impacts on marine ecosystems and biodiversity. Therefore, it is important to carefully consider the potential environmental impacts of aquaculture and to implement sustainable practices that minimize negative impacts while maximizing the benefits. This might include using alternative feed sources that are less reliant on wild fish, adopting best practices for waste management and water quality control, and ensuring that farming practices are conducted in an environmentally responsible manner. By doing so, it may be possible to create jobs and support economic growth in coastal communities while also maintaining the health and biodiversity of marine ecosystems.

Being resilient means having the ability to adapt and recover in the face of adversity, stress, or challenging circumstances. Resilience is the ability to bounce back and regain one's footing after experiencing setbacks or difficulties. Resilience is not about avoiding problems or challenges, but rather about facing them head-on and using one's strengths and resources to overcome them. People who are resilient are able to maintain a positive outlook and a sense of purpose, even in the face of difficult situations. They are able to stay focused on their goals and remain flexible in their approach when faced with obstacles. Resilient individuals are also able to draw on their social support networks and seek help when needed, recognizing that asking for help is a sign of strength, not weakness.

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Answer: The nervous system plays a crucial role in coordinating and modulating various aspects of reproduction, including sexual behavior, hormone production, and reproductive physiology.

Explanation:  The relationship between reproduction and the nervous system can be understood in terms of the control and regulation of reproductive processes by the nervous system.

The nervous system, specifically the brain, plays a crucial role in sexual behavior by combining sensory information, emotions, and mental processes. It regulates the release of hormones and neurotransmitters, which affect sexual arousal, desire, and mating behaviors.

The autonomic nervous system plays a role in reproductive physiology by controlling physiological reactions related to reproduction. The sympathetic division triggers the "fight-or-flight" response, which may momentarily limit reproductive activities during stressful situations. On the other hand, the parasympathetic division promotes relaxation and is involved in sexual desire and erection.

The nervous system is absolutely essential in effectively managing and organizing the complex reproductive processes that are absolutely critical for the survival and perpetuation of a given species.

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Sigma bonds are produced when two atomic orbitals overlap one another head-to-head, whereas pi bonds are produced when two atomic orbitals overlap one another laterally.

The overlapping of two atoms' atomic orbitals in a linear or coaxial pattern creates a chemical link known as a sigma bond. A pi bond is a particular kind of covalent link between atoms where the electrons are on top and bottom of the axis connecting the joined atoms' nuclei.

In essence, sigma and pi bonds are covalent connections created by the overlapping of orbitals. Covalent bonds are created when atomic orbitals overlap. Sigma bonds are made when two atomic orbitals overlap head-to-head, as opposed to pi bonds, which are made when two atomic orbitals overlap laterally.

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It is not mandatory that all scientific studies that start with observations that lead to questions. Scientific inquiries can be carried out in many different ways.

Scientific study is the combination of scientific theory, models, experiments as well as physical situations. These are the well planned studies that can be theoretical or experimental or both. A scientific study is the subject to logic and reasoning.

Observation is the act of carefully watching out for something and collecting information and data regarding it. Observations is amongst the most essential trait for successful scientific studies. Observations require the use of all human senses.  

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Answer:

Coloning is a process of generating a genetically identical copy of a cell or an organism.

Hope it's will be helpful for you.

A biome is a large area characterized by flora, fauna, soil, and climate. Temperate dry forest is not a biome, though.

Biomes can be categorized as: Land biomes, often known as terrestrial biomes, include tundra, taiga, grasslands, savannas, deserts, tropical forests, etc.are examples of freshwater biomes. They are frequently referred to as various biomes. The distance between them and the poles and the equator is one of their significant disparities. The rainforest, temperate forest, and taiga forest are the three main types of forest biomes. Tropical dry forest, albeit less well recognized, is the third major biome in the lowland tropics. Forests, meadows, and chaparral are among the temperate biomes. In regions with continental temperate climates, temperate deciduous woods can be found, while in regions with coastal temperate climates, temperate rainforests.

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Answer:

C. chemical weathering

Explanation:

took test on edge 2020

Answer: a: 2. B: 2. C: 4

Explanation:

DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.

DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

You will find the labelled Image in the attached files.

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An interaction in which both organisms can be potentially harmed would be competition.

It is a kind of biological interaction between two organisms in which the larger share of limited resources is coveted.

In other words, both organisms tend to get harmed in competition as various means are adopted to outcompete one another.

Competition is as opposed to symbiosis in which both organisms interacting benefit from the interaction.

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Explanation:

Similar organisms sometimes in different areas have diffetent common names.

In general, it is unlikely that all the species in a habitat have been found or discovered.

The total number of species on the planet is not known, and new species are still being discovered, particularly in remote or inaccessible areas.

Moreover, the discovery of new species requires extensive and continuous exploration, observation, and documentation, which can be a challenging and time-consuming process.

Many species may remain undiscovered, particularly those that are small, elusive, or have restricted ranges.

In conclusion, it is unlikely that all the species in a habitat have been found or discovered. Continued exploration, research, and observation are required to uncover the biodiversity of a habitat fully.

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Digoxin is a positive inotropic agent that can be administered intravenously. The effect that can be predicted in a patient treated with digoxin is an increase in the strength and force of heart contractions.

Digoxin is a cardiac glycoside obtained from the leaves of the Digitalis lanata plant that is utilized to treat congestive heart failure and heart rhythm disorders like atrial fibrillation. It increases the force of heart contractions by inhibiting the activity of the sodium-potassium ATPase pump in cardiac cells, leading to a rise in intracellular calcium levels.

Digoxin is utilized to treat a variety of cardiac problems by enhancing the strength and force of heart contractions. Because of the positive inotropic effect of Digoxin, it is frequently utilized in the treatment of congestive heart failure (CHF), atrial fibrillation/flutter, and supraventricular tachycardia (SVT). It slows the heart rate and increases cardiac output. It's also used to manage certain arrhythmias, including atrial fibrillation.

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However, research has shown that modern humans overlapped with the Neanderthal and Denisovan populations over a period, and that they had children together (interbreeding).

As a result, many people living today have a small amount of genetic material from these distant ancestors. The first conclusive evidence that humans and Neanderthals mated came from the analysis of a draft Neanderthal genome, largely obtained from remains found in Croatia. As a result of these encounters, humans from outside of Africa carry traces of Neanderthal DNA, around 1% to 2% of their genomes. Neanderthals and anatomically modern humans overlapped geographically over a period of more than 30,000 years after human migration out of Africa. During this period, Neanderthals and humans interbred, as evidenced by the Neanderthal portions of the genome carried by non-African individuals today. The researchers estimate that much of the Neanderthal DNA in modern human genomes came from interbreeding events that took place around 50,000 to 55,000 years ago. in the Middle East. Thousands of years later, humans moving into East Asia interbred with the Denisovans.

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Answer:

A. The process of photosynthesis is energy-storing because the process converts light energy into chemical energy

Explanation:

I would say A because photosynthesis is a process in which uses light energy to split water molecules into hydrogen and water molecules, which means light energy is converted into chemical energy. And energy is also stored in the leaf temporarily as starch.

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Answer:

Explanation:

hydrophytes Any plant adapted to grow wholly or partly submerged in water or wet habitats

mesophyte Any plant adapted to grow in soil that is well supplied with water and mineral salts

xerophyte is a species of plant that has adaptations to survive in an environment with little liquid water

Answer:

the type of plants which adopted to live on water is called hydrophytes. eg hydralia.

the types of plants which grows on terristial land are called mesophytes.eg apples,mango,peas,etc

the types of plants which adopted to desert is called xerophytes .eg, alovera ,cactus ,etc

The alternative hypothesis for the experiment would be "changes in membrane potential occur rapidly to signal an action potential."

This statement proposes that there is a significant difference in the speed at which changes in membrane potential occur when a nerve cell transmits an action potential.

To provide some additional information, an action potential is a rapid and brief change in the membrane potential of a nerve cell that is responsible for transmitting electrical signals between neurons. This change in membrane potential is triggered when the neuron receives a strong enough stimulus, causing a brief depolarization of the membrane that results in a rapid influx of positively charged ions such as sodium. This depolarization phase is followed by a repolarization phase, where the membrane potential returns to its resting state, and the cell becomes temporarily refractory to further stimulation.

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Explanation:

shearing

.........................

Answer: A compression

Explanation: I answered shearing on Edge and got it wrong.

The hottest stars tend to appear blue or blue-white, whereas the coolest stars are red. A color index of a star is the difference in the magnitudes measured at any two wavelengths and is one way that astronomers measure and express the temperature of stars

Answer:

The advantages of using CNG and LPG as fuels are as follows: They both are cleanest burning fuels of all fossil fuels. They are less polluting, non-corrosive. They can be sent through pipes easily.

The correct description under each cell structure to identity the role it plays in the plant cell is as follows:
- Plant cell wall: strong, protective structure made from cellulose fibers that regulates the internal pressure of the cell
- Chloroplast: creates energy (ATP) by converting light energy into chemical energy in the form of sugar
- Mitochondrion: powerhouse of the cell that generates ATP to power the cell's activities
- Golgi apparatus: modifies and packages proteins for transport and storage within the cell

The cell wall is found only in plant cells and is formed from cellulose material which is rigid so as to give plant cells a shape that tends to be fixed. Chloroplasts are the place where photosynthesis takes place by using sunlight to make food for plants in the form of sugar. In the mitochondrial matrix there is a process of cellular respiration to produce energy in the form of ATP which the cells can use for their activities. While the golgi apparatus is a vesicle surrounded by a membrane that packs proteins for transportation.

In summary, the plant cell wall provides structural support and regulates internal pressure, the chloroplast converts light energy into chemical energy, the mitochondrion generates ATP for the cell's activities, and the Golgi apparatus modifies and packages proteins. Each of these structures plays a crucial role in the overall function of the plant cell.

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The relationship between tangible and intangible weight in the first chapter refers to the distinction between physical and emotional weight or burden.

In the first chapter, the author makes a distinction between tangible and intangible weight.

Tangible weight refers to physical weight, such as carrying a heavy backpack or a box of books.

Intangible weight, on the other hand, refers to emotional weight or burden. This type of weight is not physical, but it can still be felt and can impact a person's life just as much as physical weight.

Examples of intangible weight include stress, anxiety, and depression. The author is suggesting that both tangible and intangible weight can have a significant impact on a person's life and that it's important to recognize and manage both types of weight in order to live a healthy and balanced life.

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Based on the provided hint, in order to determine whether a tall pea plant is homozygous or heterozygous for tall height, the other contributing parent genotype must be heterozygous for tall height.

In the example about dog deafness, it was explained that the deafness in dogs is a recessive trait, and the deafness genotype is dd.

If a deaf dog is crossed with a hearing dog, the deaf dog must be homozygous for the deafness allele (dd), and the hearing dog must be heterozygous (Dd) for the deafness allele in order to determine whether the offspring will be deaf or not.

Similarly, in order to determine whether a tall pea plant is homozygous (TT) or heterozygous (Tt) for tall height, it must be crossed with a pea plant that is known to be heterozygous for tall height (Tt).

If the offspring are all tall, the tall parent is likely homozygous (TT) for tall height. If the offspring are a mix of tall and short plants, the tall parent is likely heterozygous (Tt) for tall height.

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Answer:

B. analogous structure, such as the wings of butterflies and the wings of birds, are evidence of recent common ancestry and evolution