After the egg hatches, the amphibian breathes with gills and swims around in the water. What stage of the amphibian life cycle is this?
adult stage
larvae stage
egg stage
metamorphic stage
Answers
After the egg hatches, the amphibian breathes with gills and swims around in the water therefore the stage of the amphibian life cycle is larvae stage and is denoted as option B.
What is an Amphibian?This is referred to as a cold-blooded vertebrate animal which is characterized by having an aquatic gill-breathing larval stage followed by a terrestrial lung-breathing adult stage. Example of this type organism include frogs, salamanders etc and they don't undergo the pupa stage in their life cycle.
In the larval stages, they use gills to respire as they live in water and as the larvae grows and mature they develop lungs to respire on land. This is therefore the reason why they are able to survive in both aquatic and terrestrial environment and is therefore the treason why option B was chosen as the correct choice.
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Related Questions
A theory differs from a hypothesis in that a theory:.
Answers
Answer:
A theory is a thought or calculated idea about a possible change in a topic, while a hypothesis is an educated guess.
What would happen to the plant population if the caterpillar population decreased?
Answers
Answer:
it was increase
Explanation:
Acetylcholine is a chemical secreted at the ends of nerve cells. This chemical helps to send nerve sigels aoross synapses,(spaces between nerve cells). After the signal passes across a synapse, an enzyme breaks down the acetylcholine. LSD is a that blocks the action of this enzyme. Describe one possible effect of LSD on the action of acetylcholine.
Answers
As LSD prevents the enzyme that degrades acetylcholine from working, the molecules of acetylcholine may not be degraded and may instead continue to excite the receptors on the postsynaptic neuron.
How does acetylcholine move a signal electrically from one neuron to another?An electrical impulse must travel along a motor neuron until it reaches the cell's end before it may contract a muscle. In order for the neurotransmitter to traverse the synaptic cleft and attach to receptors on the opposite side of the cell, it subsequently causes the release of acetylcholine from small vesicles.
What happens at a neuronal synapse when acetylcholine is present?In the brain, acetylcholine modifies neuronal excitability, affects synaptic transmission, promotes synaptic plasticity, and synchronises the firing of neural networks.
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Starting with the European settlers, humans have introduced earthworms from Europe and Asia into North American forests. These introductions continue through the transport of soil that contains non-native earthworms, such as during construction and through the release of non-native earthworms used for fishing. The effects of non-native earthworms are especially large in forests that did not have any native earthworms. For example, forests of the Great Lakes region did not previously have earthworms until humans introduced them. When non-native earthworms are introduced, the thick layer of leaves, known as leaf litter, covering the ground disappears quickly, thereby altering biogeochemical cycles.
What is a possible beneficial consequence of introducing the earthworms to forests in the Great Lake regions?
Answers
A possible beneficial consequence of introducing earthworms to forests in the Great Lake regions is the increase in soil aeration and nutrient availability
Earthworms are known to burrow into the soil, creating channels that allow oxygen and water to penetrate deeper into the soil. This can improve the soil structure and nutrient cycling in the ecosystem, potentially benefiting plant growth and productivity. Additionally, earthworms can break down organic matter in the soil, accelerating the decomposition process and releasing nutrients back into the soil for use by other organisms. However, it is important to note that while non-native earthworms may have some beneficial effects on soil health, they can also have negative impacts on native plant and animal communities, particularly in ecosystems that did not previously have earthworms present.
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The plasma membrane is composed of a ____________ layer of phospholipids. The ____________ ends of the phospholipids face the extracellular and intracellular sides. The ____________ ends of the phospholipids face each other and form the core of the membrane. The inner part of the membrane is ____________ . The polar regions of the phospholipids are ____________ . The proteins and phospholipids ____________ move laterally through the membrane.
Answers
Answer:
1. double
2. polar
3. non-polar
4. hydrophobic
5. hydrophilic
6. can
Explanation:
Which of the following is NOT characteristic of complex systems?
A. They exhibit linearity in the behavior of their agents
B. They are composed of many heterogeneous individual agents with numerous relationships and interactions
C. They have feedback loops in which small changes in an individual agent can lead to remarkable system-wide effects that cannot solely be explained by the change in the individual agent
D. They are adaptive
Answers
The option that is NOT characteristic of complex systems is A. They exhibit linearity in the behavior of their agents.
What is a Complex System?A complex system is a large-scale system with a lot of components, and its behavior is difficult to predict because it is not governed by a set of simple rules. Complex systems can be biological, social, economic, or physical systems that interact with one another in ways that cannot be easily predicted or explained. Complex systems are made up of many components that interact with one another. They are defined as systems whose behavior cannot be predicted from their individual.
There are a few important characteristics of complex systems that differentiate them from other kinds of systems. The following are some of the characteristics of complex systems:They are composed of many heterogeneous individual agents with numerous relationships and interactions.They are often non-linear, which means that small changes in an individual agent can have a significant impact on the system as a whole.They have feedback loops in which small changes in an individual agent can lead to remarkable system-wide effects that cannot solely be explained by the change in the individual agent.They are adaptive and can respond to changes in their environment.
They are capable of self-organizing and can exhibit emergent properties that cannot be explained by the properties of individual agents working in isolation.In conclusion, complex systems do not exhibit linearity in the behavior of their agents.
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Where does the glucose necessary for cellular respiration to occur come from
Answers
Answer:
Sugar
Explanation:
Your body can convert sugars from the food you digest into molecules of glucose which are then used for cellular respiration. Plants on the other hand produce their own glucose through photosynthesis
you are studying a protein you recently found to be involved in cellular sensing of metabolites. you want to figure out how this protein might work, and also identify potential functional sites. what would be a quick first step towards achieving these objectives?
Answers
Quick first step towards achieving these objectives would be to perform a homology search using a protein database to identify structurally similar proteins.
In general , homology search and protein structure determination are both important first steps in understanding the function of a novel protein, as they can provide valuable information about the protein's structure and potential functions.
The result of a homology search can provide important information about the potential function of the protein of interest. For example, if the protein is found to be similar to known enzymes that are involved in metabolic pathways, it may suggest that the protein is also involved in metabolism. The protein structure can reveal details about the location of functional sites or domains, such as enzyme active sites, ligand-binding sites, or protein-protein interaction sites.
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Please Hurry WILL GIVE BRAINLIST
An example of sunlight passing through clouds during sunset, results in what is often called the cloud's silver lining. Pastel shades of blue, pink, purple, and green can be observed at times of cloud cover. What is the cause of these patterns in the sky?
Responses
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors.
Water in the atmosphere and within the clouds themselves cause light waves to refract and reflect, creating an assortment of colors., EndFragment,
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones.
StartFragment, The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., The patterns occur when light is diffracted from water droplets within the clouds. The amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones., EndFragment, ,
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air.
The patterns occur when light is absorbed by water droplets within the clouds. The amount of absorption that occurs depends on the temperature of the air., EndFragment,
The patterns occur when light is reflected from water droplets within the clouds. The amount of reflection that occurs depends on the wavelength of the light, and shorter wavelengths are reflected at a greater angle than longer ones.
Answers
The cause of the color patterns in the sky is when light is diffracted from water droplets within the clouds, the amount of diffraction that occurs depends on the wavelength of the light, and shorter wavelengths are diffracted at a greater angle than longer ones which is therefore denoted as option D.
What is Diffraction?This is a term which is described as the process of light bending around an obstacle or spreading out after it moves through a small or tiny space.
We should also be aware that it is dependent on the wavelength of the light such that those with a shorter wavelengths are usually diffracted at a greater angle than longer ones which is therefore the reason why the color pattern is observed in the sky and is therefore the reason why it was chosen as the correct answer.
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What is the result of normal chromosome replication?
O a
b
Lost or worn out chromosomes are replaced.
Each daughter cell is provided with twice as many
chromosomes as the parent cell.
The exact number of centrioles is provided for
spindle fiber attachment.
Two identical sets of chromosomes are produced.
Answers
Answer:
Two identical sets of chromosomes are produced.
Explanation:
hope this helps!
The generic types of competitive strategies include:.
Answers
Define aerobic respiration
Answers
Answer:
a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate, and then release waste products
Explanation:
remember that the action and reaction forces are equal in any collision if the action and reaction forces are equal then why do bumper cars that are of different masses react differently
Answers
Answer:
Newtons´s second law explain that F=MA, so, the heavier the car, the higher the impact force.
Explanation:
Answer:
no
Explanation:
T?F: high concentrations of histidine promote the synthesis of amp and ctp.
Answers
False. High concentrations of histidine do not promote the synthesis of AMP (adenosine monophosphate) and CTP (cytidine triphosphate). Histidine is an essential amino acid that serves as a building block for proteins and plays a vital role in various biological processes. However, it does not directly promote the synthesis of AMP and CTP. AMP and CTP are nucleotides that are involved in nucleic acid synthesis and other cellular processes.
The synthesis of AMP and CTP follows specific biochemical pathways that are regulated by different enzymes and metabolic intermediates. Histidine, while important for protein synthesis, does not have a direct influence on the synthesis of these nucleotides. AMP is synthesized from inosine monophosphate (IMP) through a series of enzymatic reactions, and CTP is produced from uridine triphosphate (UTP) through a separate pathway. These pathways are regulated by the availability of specific substrates, enzymes, and regulatory factors, which are not directly influenced by histidine concentrations. It is worth noting that histidine can be converted to histamine, an important signaling molecule involved in allergic and inflammatory responses. Histidine also plays a role in the regulation of pH balance and acts as a precursor for the synthesis of other important compounds, such as carnosine and histidine dipeptides. High concentrations of histidine do not promote the synthesis of AMP and CTP. The synthesis of these nucleotides follows specific pathways that are regulated by different factors.
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HELP PLZ ! Which nitrogen base sequence is the partner of T-C-A-G-C-A?
A-C-G-A-C-T
C-A-G-A-T-G
A-G-T-C-G-T
T-C-A-G-C-A
Answers
Answer:
A-G-T-C-G-T
Explanation:
Please mark brainliest :)
Answer:
A-G-T-C-G-T
Explanation:
Which of these is NOT an organ found in the excretory system that helps to filter out liquid wastes in our body?
-kidneys
-lungs
-Skin
-heart
Answers
Explanation: This is asking for an organ in the excretory system. The heart is above
Answer:
the heart
Explanation:
Which best summarizes the flow of energy in a producer?
O Sun > ADP > muscle cells
O Sun > mitochondria > CoH1206
O Sun > chloroplasts > mitochondria
O Sun > mitochondria > chloroplasts
Answers
The correct answer to the given question is O Sun > chloroplasts > mitochondria ie. Option (C)
Chemical reactions are how energy moves through living things. One set of substances, known as reactants, are transformed into another set, known as products, during each chemical reaction.Such reactions take place in plants as a result of the sunlight-to-chemical energy conversion process, which powers plant growth and other operations.In particular structures known as chloroplasts, this process, referred to as photosynthesis, involves the combination of carbon dioxide and simple sugars to create more complex carbohydrates. The cells of plants, algae, and some protists include these membrane-bound organelles called chloroplasts.From one atom or molecule to another, electrons move. The relevance of these oxidation-reduction (or redox) reactions in mitochondria to living systems cannot be overstated.In this manner, molecules that carry energy are created and put to use for efficient energy transfer
Hence, the correct answer is O Sun > chloroplasts > mitochondria ie. Option (C)
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What form of heat transfer can travel through a vacuum.
A. Convection
B. Radiation
C. Conduction
Answers
Answer: B. Radiation fo sho.
Explanation: I took a test and it was correct!! ; )
What do many scholars believe the stone again and some of its surrounding elements were built reflect movements of
Answers
Answer:
They reflect the movements of the sun.
Explanation:
If you are talking about Stonehenge, it is believed that the stones are arranged according to the movement of the sun in the winter and summer solisticios. It is also believed that the arrangement of the stones is related to religious rituals, which celebrated union between humanity, religious dominance and the knowledge of the stars.
What did Darwin see in South America that surprised him?
Answers
Answer:
In South America, Darwin saw fossils of sea animals high in the mountains.
Explanation:
The amount of the earth's surface covered by oceans is approximately what ?
A: 1/4
B: 1/3
C: 1/2
D:3/4
E: 4/5
pleaseeee hurry
Answers
Answer:
3/4
Explanation:
I would have to say this because earth is covered in about 71% of water and 3/4 is closest to that. :)
which antibody confers the most important specific local immunity to enteric, respiratory, and genitourinary pathogens?
Answers
IgA (Immunoglobulin A) is the antibody that confers the most important specific local immunity to enteric, respiratory, and genitourinary pathogens.
What is antibody?An antibody is a protein produced by the body's immune system when it detects harmful substances, called antigens. Antibodies recognize and latch onto antigens in order to remove them from the body. They are found in the blood and other bodily fluids and are an important part of the body's defense against infection and disease.
IgA is produced mainly in mucosal areas such as the gastrointestinal tract, respiratory tract, and genitourinary tract, and is the primary antibody found in mucosal secretions. It plays an important role in protecting the body from infections by providing a first line of defense. IgA can bind to and neutralize pathogens such as bacteria and viruses, helping to prevent them from entering the body.
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In a sequencing reaction, deoxyribonucleotides terminate a replicating segment of DNA, while dideoxyribonucleotides allow it to continue. True or False?
Answers
The statement that in a sequencing reaction, deoxyribonucleotides terminate a replicating segment of DNA, while dideoxy-ribonucleotides allow it to continue is False.
What is the role of deoxyribonucleotides and dideoxy-ribonucleotides in DNA sequencing?In a sequencing reaction, dideoxyribonucleotides (ddNTPs) are used to terminate a replicating segment of DNA during the process of DNA sequencing. These ddNTPs lack a 3'-OH group, which is required for the formation of a phosphodiester bond with the next nucleotide in the growing DNA chain. As a result, when a ddNTP is incorporated into the DNA chain, it terminates further elongation of the chain.
On the other hand, deoxyribonucleotides (dNTPs) are the building blocks of DNA and are required for the DNA polymerase enzyme to continue replicating the DNA chain during normal DNA replication.
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What is the value of the expression m8−(34−n) in simplest form, when m = 6 and n = 18
Answers
Answer:
32
Explanation:
(6)8-(34-18)
48-16
32
Hope this helps!
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as:
Answers
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.
Homeostasis is the body's ability to maintain a stable internal environment despite external changes.
In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.
These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.
For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.
Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.
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If a cell stains dark for the sdh test and light for the matpase test, how can we classify that cell?
Answers
Cell stained light for the metaphase test and dark for the SDH, then we can classify the cell as an oxidative cell.
What is metaphase?Metaphase, the second stage of mitosis, sees the chromosomes travel onto the spindle's equatorial plane.
What is the SDH test?Oxidative cell stains are dark for the SDH test and light for the metaphase test.SDH is an enzyme used in testing mainly to detect hepatocellular injury in cattle and horses.SDH enzyme is also detected in human tissues. The major sites where the SDH enzymes are found in humans are kidneys, seminal vesicles and kidneys.To know more about oxidative cells visit:
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what is a genus species?
Answers
Standard format of naming an organism
please help me with this question
Answers
Answer: C
Explanation:
What happens to the properties of atoms when they are joined through a
chemical reaction to form a compound?
Answers
Answer:
The atom's properties are rearranged.
Explanation:
"A compound is a substance formed when two or more elements are chemically joined. ... When the elements are joined, the atoms lose their individual properties and have different properties from the elements they are composed of. A chemical formula is used a quick way to show the composition of compounds."
"They are rearranged to form new products [in a chemical reaction] with different physical and chemical properties from the reactants."
I hope this helps you!
help please!!!??????
Answers
Answer:
Soil: The unconsolidated mineral or organic material on the earth's immediate surface, which is used to grow soil plants Soils top limit lies in the boundary of soil and air, shallow water, live plants, or non-disintegrating plant materials.
Minerals: A mineral is an inorganic solid with a natural occurrence, a certain chemical composition, and an orderly atomic structure.It gets simpler if you break it down. Naturally, minerals are present. They're not made by people.
Soil Particle Size: Particle sizes are either determined by the capacity for various mesh sieves, or by the rate at which they are placed in water.
Soil Profile: The soil profile is a vertical soil section and enables you to investigate the soil structure.
O-horizon: are layers of soil with a high organic matter percentage. There are typically three different organic layers within the forests: one of leaves, pine needles and branches (Oi); underlined by a partially decomposed layer (Oe); and a very dark layer of decomposed humus (Oa).
A-horizon: contains deposits of organic matter leached from surface soils
B-horizon: a ground level below the horizon from which organic matter is obtained by illuviation, and which normally stands out by a reduced weathering, is directly below the horizon.
Explanation:
yw :)