The Chinese Giant Salamander (Andrias davidianus) employs two key reproductive processes are external fertilization and larval development.
Firstly, Chinese Giant Salamanders exhibit external fertilization, where the female deposits her eggs and the male subsequently releases sperm to fertilize them externally. This typically occurs in aquatic habitats, where the female lays her eggs in a nest or crevice while the male releases his sperm to fertilize them. External fertilization allows for a large number of eggs to be fertilized simultaneously, increasing the chances of successful reproduction.
Secondly, Chinese Giant Salamanders undergo larval development. After the eggs are fertilized, they hatch into aquatic larvae known as "efts" or "newts." These larvae have gills to respire underwater and possess distinct morphological features adapted for an aquatic lifestyle. As the larvae grow, they undergo a series of metamorphoses, during which their gills are replaced by lungs, and they transition to a more terrestrial existence. Eventually, the larvae transform into fully developed adults with lungs, four legs, and a larger body size.
By employing external fertilization and undergoing larval development, the Chinese Giant Salamander has adapted its reproductive strategies to their aquatic habitat, ensuring successful reproduction and the survival of their offspring.
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How does a food chain illustrate the law of conversation of energy and mass in an ecosystem
Explanation:
Conservation of Energy in Living Systems
Energy changes form as it flows through an ecosystem, but the total amount of energy in the system remains constant. Food chains show how energy flows in an ecosystem. ... The chemical energy stored in producers is passed to consumers, organisms at higher levels on the food chain.
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Question 5 of 26
The image shows an energy pyramid.
Eagle
Snake
Frog
Grasshopper
Grass
Which statement is supported by the pyramid?
A. All of the energy in the grass will be passed on to the next level.
B. Some of the energy in a snake is available to frogs
C. Some of the energy in a grasshopper will be used for a frog's life
functions
D. Most of the energy in an eagle will be passed on to producers.
Answer:
C. Some of the energy in a grasshopper will be used for a frog's life functions is supported by the pyramid.
What did scientists use to think dinosaurs were descended from A. Dinosaurs B. Iguanas C. People
Answer:
Iguanas
Explanation:
Dinosaurs used to be depicted as slow, unintelligent, lizard like animals. Iguanas fit that mold perfectly. Now we know they acted more like birds than lizards (Theropod dinosaurs anyway)
Describe an approach for understanding global systems and the changes they undergo.
Directions: Read and understand each question very well. Write the letter on a separate sheet of paper. 1. Which of these explains the cause of day and night? A. The revolution of the earth around the Sun B. The rotation of the earth on its axis C. The rotation of the earth around the Sun D. Both A and B 2. The earth travels on its orbit around the sun. Some changes take place during this orbit of the earth. These changes on Earth are caused by varying. A. Amount of air C. Amount of oxygen B. Amount of rainfalls D. Amount of sunlight 3. The places near the equator receive more heat than others. They experience A. Cold temperature C. Higher Temperature B. Lower Temperature D. Moderate Temerature 4. Which picture below shows the angle of the earth's axis? A. Ø C. D. 5. The part of the earth facing directly to the Sun receives A. Slanting rays C. Diagonal rays B. Vertical rays D. Staright rays 6. Which of the following results to different amount of solar energy received by the different parts of the world. A. Revolution and rotation C. Rotation B. Revolution D. none of the above 7. Why do we have seasons on earth? A. Because the Sun is tilted on its axis B. 0.C
Answer:
1.
1.D
2.D
3C
4.theres no picture so i am not sure what to answer,youre on your own here, just read and research about it on ur module or in the internet, u can do it:D
5.B
6.A
7. the choices arent very clear in what you copy and paste here but the answer is, revolution of the earth around the sun and the earth tilting on its axis or "rotation"
Explanation:
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if you have just sliced raw poultry on your cutting board, there is an increased probability that bacteria will be present. therefore, if the board is not thoroughly washed, the bacteria can cross-contaminate other food coming in contact with the board. multiple choice escherichia coli staphylococcus aureus clostridium botulinum salmonella
Answer:
Salmonella
Explanation:
Salmonella infection (salmonellosis) is a common bacterial disease that affects the intestinal tract. Salmonella bacteria typically live in animal and human intestines and are shed through stool (feces). Humans become infected most frequently through contaminated water or food.
Salmonella infection is usually caused by eating raw or undercooked meat, poultry, and eggs or egg products or by drinking unpasteurized milk.
Which technique is dependent upon the release of oxygen from hemoglobin molecules?
fMRI technique is dependent upon the release of oxygen from hemoglobin molecules
fMRI is a powerful tool for studying brain activity, but it is dependent on the release of oxygen from hemoglobin molecules. This means that any condition that affects oxygen release can potentially impact the results of an fMRI scan.
One condition that can affect oxygen release is anemia. Anemia is a condition in which the blood is unable to carry enough oxygen to meet the body's needs. This can lead to a decrease in the amount of oxygen that is released from hemoglobin molecules, and this can in turn lead to less activity being detected by fMRI.
Anemia is just one example of a condition that can potentially impact fMRI results. It's important to be aware of this when interpreting fMRI data, as it can help to ensure that the results are accurate.
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how to wake up a snail when its deep inside its shell
Answer:
unfortunately, if the snail is deep inside its shell it is most likely ill.
Answer:
just poke it lightly or shake it
Which directly contribute to sea level rise?(1 point)
A.expansion and melting of land ice
B.carbon dioxide and water vapor
C.reflected energy and carbon dioxide
D.reflected energy and melting sea ice
Answer:
C. reflected energy and carbon dioxide
C because sea water contains oxygen
Best definition for photosynthesis.
how can a single piece of dsdna encode different proteins?
A single piece of dsDNA can encode different proteins through the process of alternative splicing.
This process occurs during transcription when specific segments of pre-mRNA are removed or retained, leading to the production of multiple mRNA transcripts.
These transcripts can then be translated into different proteins through variations in the coding sequence or post-translational modifications. Additionally,
different start and stop codons can also lead to the production of different proteins from the same dsDNA sequence. These mechanisms allow for a greater diversity of protein expression from a single gene and are important for proper cellular function and development.
Understanding these processes is crucial for studying genetic diseases and developing targeted therapies.
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Which of the following is not true for enzymes?
a. Enzymes lower the activation energy barrier of a reaction.
b. Enzymes are made up of proteins.
c. Enzymes are used up in reactions.
d. Enzymes can be affected by changes in temperature.
e. Enzymes contain an active site.
Enzymes are used up in reactions. This is not true for enzymes.
Enzymes are proteins that aid in the speeding up of metabolism, or the chemical reactions that occur in our bodies. Some substances are created while others are destroyed. Enzymes are found in all living things. Our bodies naturally produce enzymes.
According to the International Union of Biochemists (IUB), enzymes are classified into six functional classes based on the type of reaction they catalyze. Hydrolases, oxidoreductases, lyases, transferases, ligases, and isomerases are the six types of enzymes.
Enzymes are proteins that aid in the speeding up of metabolism, or the chemical reactions that occur in our bodies. Some substances are created while others are destroyed. Enzymes are found in all living things. Our bodies naturally produce enzymes.
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State the trophic level of each of the following: cow: ______________________ grass: _____________________ man: ______________________ mushroom: __________________
Answer:
The cow is a Primary Consumer since it feeds off the Grass.
The grass is a Producer since it's an autotroph (Can make its food through Photo synthesies. )
The Mushroom is a decomposer since it's a fungus.
And lastly, the man would be a Tertiary consumer since most of us are omnivores.
SOMEONE PLEASE HELP ME WITH THIS!!!
Answer:
Student B or answer D
Explanation:
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Plant stems grow up from the ground. This is an example of ____
positive thigmotropism
positive hydrotropism
negative gravitropism
negative phototropism
Answer:
3rd one (gravitropism)
Answer:
Negative Gravitropism
Explanation:
Negative Gravitropism is the process of a plant growing upwards against gravity.
The photo shows a space heater. Which energy transformation is shown in the photo? A. Chemical - electromagnetic and thermal B. Electromagnetic and thermal - chemical C. Electromagnetic and thermal - electrical D. Electrical - electromagnetic and thermal
Answer:
D. Electrical - electromagnetic and thermal
Explanation:
Energy is the capacity to do work, and it exists in various forms. Some of its forms are: nuclear energy, solar energy, electrical energy, mechanical energy, sound energy, light energy, heat/ thermal energy etc. These forms can be transformed from one to another. Example is the conversion of electrical energy into light energy and heat energy by an electrical Tungsten-bulb.
A space heater is an electrical device used for generation of majorly heat energy, thus it is powered by electrical energy. Therefore it transforms electrical energy into electromagnetic and thermal.
which of the terms from question 4 describes the solutions in each of the glasses that the gummy bears were placed into?
The term from question 4 that describes the solutions in each of the glasses that the gummy bears were placed into is "hypotonic."
In the context of the gummy bear experiment, a hypotonic solution is one that has a lower solute concentration than the gummy bear's internal environment.
When the gummy bear is placed in a hypotonic solution, water moves from the solution into the gummy bear by osmosis, causing the gummy bear to swell and increase in volume.
In the experiment, the glasses with plain water, distilled water, and tap water all contained hypotonic solutions, which caused the gummy bears to swell and increase in size.
The glasses with saltwater and vinegar, on the other hand, contained hypertonic solutions, which caused water to move out of the gummy bears, leading to their shrinkage.
Understanding the concept of tonicity is important in many biological and medical contexts, such as understanding how cells maintain their shape and function in different environments, and how medical interventions can affect cellular function by changing the tonicity of body fluids.
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If I feel sick but haven’t thrown up and have ate and still feel sick am I actually sick?
Answer:
If you feel sick, I recommend just lying down on your bed for a few hours, it has always helped me. My mom always had me lie down on my bed like all day it seemed, and just relax and watch television, and even though I didn't want to go to bed, it really helped. I thank my mom for helping me. So, I highly recommend doing that if you feel sick. And, you should see if you have a thermometer to use to see how hot you are. If you are exceeding 99.8 degrees, that means you are most likely ill, and should lie down. But, if below that, you should be fine. But, if you still feel ill, just do what I suggested. It really helps.
Explanation:
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58.The best description of the induced fit model of enzyme function isa. a cofactor must first bind to the active site, allowing the substrate to fit properly.b.a molecule not directly involved in the catalysis interacts with a site on the proteinfar from the active site, changing the shape of the active site to make it work.c. the active site, the substrate, or both change shape upon binding so that theactivation energy of the desired change is decreased.d. the active site has a definite, rigid shape that only fits one substrate molecule.a short protein chain that blocks access to the active site is chemically removed asthe substrate approaches.
Answer:
The correct answer is C:
the active site, the substrate, or both change shape upon binding so that the activation energy of the desired change is decreased.
The induced fit model for enzymed function describes how the substrate is able to induce the proper alignment of the active site of the enzyme. Both the active site of the enzyme and the substrate change in conformation until they are completly bound.
This theory explains why enzymes may exhibit broad specificity, that is that they can bind to a variety of molecules.
Proteins and carbohydrates are alike in that both
А encode DNAinformation in cells.
B provide structural support in cells.
C transmit RNA information in cells.
D dissolve structural support in cells.
Answer:
A
Explanation:
Many segments are blank wholesome are blank such as a segment for digestion and a segment for reproduction
Many Body segments are very wholesome are essential such as a segment for digestion and a segment for reproduction.
What is the bodily systems about?In the above case, it would be more accurate to say that many bodily systems are essential for our overall health and well-being, and they each play important roles in maintaining our bodily functions. For example, the digestive system is responsible for breaking down food and absorbing nutrients, while the reproductive system is responsible for producing and delivering offspring.
Therefore, It is important to note that while some bodily functions or segments may be considered more "wholesome" than others, each system is necessary and contributes to the overall functioning of the body. So, rather than categorizing them as wholesome or not, it's more useful to think of them as essential components of a complex and interconnected system.
P.S. Question seems incomplete and general definition is given.
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Which toxic substance is often used to extract gold and results in harmful environmental effects?a. carbon dioxideb. fluoridec. sulfur dioxided. acid mine drainagee. cyanide
The toxic substance is often used to extract gold and results in harmful environmental effects is Cyanide.
The toxicity of cyanides and their environmental effect are well established. They are, nevertheless, still utilized in the mining, galvanic, and chemical industries. Cyanides are emitted in various ways to all elements of the environment as a result of industrial activity.
Cyanide can be found in nature as cyanogenic glycosides in plant seeds. Excessive intake might result in negative side effects. However, the most prevalent source of cyanide is environmental tobacco smoke (ETS).
Cyanide may be converted by living organisms into less harmful chemicals that are expelled with physiological fluids. The purpose of this study is to evaluate current understanding on the behavior of cyanide in the environment and its influence on human health and life.
Hydrogen cyanide and cyanides are employed in a variety of sectors, including silver and gold mining. They are also utilized in the plastic manufacture of various colors, as well as in chemical laboratories. Mines, metallurgical industries, and automobile exhaust gas are all causes of pollution in the environment.
Cyanide ions enter the environment mostly through wastewater. These chemicals can also enter the environment as a result of fires in factories and homes, as well as cigarette smoke.
So, the correct option is Cyanide.
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How did the drought lead to an increase in beak size in the medium ground finch population?
Since beak size is an inherited trait, only then could the species adapt and survive in the harsh drought conditions. The larger beaks got inherited into offspring and this population was able to survive in the harsh conditions.
Darwin's finches are a set of approximately 18 species of passerine birds. they will be extensively identified for their fantastic range in beak shape and characteristic. they may be regularly categorised because the subfamily Geospizinae or tribe Geospizini.
They belong to the tanager family and aren't intently associated with the actual finches. At the Galapagos Islands, Darwin additionally saw several unique sorts of finch, a awesome species on every island. He observed that each finch species had a considered one of a type form of beak, depending at the meals available on its island. The finches that ate massive nuts had sturdy beaks for breaking the nuts open.
Darwin's Finchesn Darwin placed that beak form varies amongst finch species. He postulated that the beak of an ancestral species had tailored through the years to equip the finches to collect exclusive meals assets.
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What might the feature between locations A and B be? The feature at point D?
I need to get it done right now.. it is pass due... I'm not playing no games
We can see here that the feature between locations A and B is seen as continental slope.
The feature at point D is known as ocean trench.
What is ocean floor?The ocean floor is the bottom of the world's oceans, which covers about 70% of the Earth's surface. It is a diverse and dynamic landscape, with features such as plains, valleys, mountains, canyons, ridges, and seamounts.
The ocean floor also includes the deepest parts of the ocean, known as the abyssal zone, which can reach depths of over 10,000 meters (33,000 feet) in some places.
The approximate depth of point A will be 4,000m while the approximate depth at point C will be 3,500m.
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How did teamwork play a role in saving Kevin’s life
The collaboration was particularly visible during Kevin's lifesaving by exhibiting the sudden execution of all of the health and safety courses they received throughout their Red Cross training.
Red Cross training prepares individuals to respond to emergencies and disasters by providing them with the necessary skills and knowledge to provide first aid, CPR, and other types of assistance. Red Cross training programs include courses for both individuals and organizations, and cover a range of topics, from basic life support to disaster response and recovery.
Red Cross training is conducted by certified instructors who have experience and expertise in emergency response and disaster management. The courses are designed to be interactive and hands-on, providing participants with opportunities to practice and apply their skills in real-life scenarios.
Red Cross training can help individuals become more confident and prepared in emergency situations, and can also be a valuable asset for organizations, businesses, and communities looking to improve their readiness and resilience. By completing Red Cross training, individuals can contribute to building more resilient and safer communities.
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What do you know about climate? causes and impacts?
Answer:
small thing about climate change
Explanation:
Climate Change is trapping Co2 into the earth's atmosphere, raising the temperature of the Earth. Because of that, it's melting the Antarctic and killing millions of animals. Not only that, but it's also causing droughts, and usually droughts are the cause(s) of famine which kill millions of not only animals, but humans too.
The light energy has now been converted to chemical energy that is stored in _________ and _________
molecules. These molecules are used in the _________
to help make sugars.
Answer:
Sunlight is converted to chemical energy in the form of ATP (adenosine triphosphate), which is the main energy-storing molecule in living organisms. ATP is then transported throughout the chloroplast and used to provide the chemical energy necessary to power other metabolic reactions.
True or false: The most energetically favorable arrangement of amphipathic molecules is a bilayer with its edges exposed to water.
The given statement "the most energetically favorable arrangement of amphipathic molecules is a bilayer with its edges exposed to water" is true because it ensures that the energetically favorable interactions between hydrophilic regions and water molecules are maintained.
Amphipathic molecules have both hydrophilic (water-loving) and hydrophobic (water-fearing) regions. In aqueous environments, they spontaneously form structures that minimize the contact of hydrophobic regions with water.
The bilayer formation involves a two-step process:
1. Amphipathic molecules come together with their hydrophilic regions facing the water and hydrophobic regions facing away from it. This arrangement minimizes the energy required for the hydrophobic regions to interact with the water molecules.
2. These molecules further arrange themselves into a bilayer, where two layers of amphipathic molecules align in such a way that their hydrophilic regions are exposed to water on both sides and their hydrophobic regions are sequestered in the middle. This further minimizes the unfavorable interactions between hydrophobic regions and water molecules.
Such bilayer structures are essential in the formation of cellular membranes, where the amphipathic lipid molecules create a barrier between the aqueous environment inside and outside the cell, while still allowing selective passage of certain molecules.
The edges of the bilayer remain exposed to water, ensuring that the energetically favorable interactions between hydrophilic regions and water molecules are maintained.
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Crossing over occurs during Prophase II.
A. True
B. False
Answer:
B. False
Explanation:
Crossing over not occurs in prophase II. It occurs only during prophase I.
How is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest?
answer:
temperate forests undergrowth is less
tropical rain-forest undergrowth is very rare because of the poor penetration of sunlight on the forest floor.
steps
temperate:
Its wide leaves, large wild canopies and non seasonal vegetation.
trees are deciduous, which shed their leaves during the autumn.
forests have trees, shrubs and bushes mainly.
tropical :
tropical rain-forest undergrowth is very rare because of the poor penetration of sunlight on the forest floor.
also tropical rain forests remain moist always.
Almost no plants grow in this area due to this.
Due to lack of sunlight, things decay quickly here
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