Option B is correct.
B. In an exothermic reaction, excess energy is released as heat.
Explanation:An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy. Exothermic Reaction means "exo" meaning releases and "thermic" means heat.
Option C is not true for exothermic reactions as they actually involve products with lower bond energy compared to the reactants, due to the release of energy during the reaction.
The statement that is not true of exothermic reactions is: C. There is more energy in the bonds of the products than in the bonds of the reactants. This statement is incorrect because in an exothermic reaction, the bond energy of the products is lower than that of the reactants since energy has been released to the surroundings, typically in the form of heat, as the reaction progresses. The correct statements are that the products have a lower bond energy (A), excess energy is released as heat (B), and examples include condensation and combustion (D).
Which of the following statements best describes carrying capacity? A. Carrying capacity is determined by a variety of environmental factors, and represents the approximate maximum population size in an environrment. B. Carrying capacity can self-adjust depending in the size of the population, allowing for further growth. C. Carrying capacity remains constant over time, regardless of changes to the environment. D. When a population reaches the carrying capacity of its environment, limiting factors cause it to decrease to near zero.
A --> Carrying capacity is determined by a variety of environmental factors, and represents the approximate maximum population size in an environrment
The expression from the question that explains what is carrying capacity is : A. Carrying capacity is determined by a variety of environmental factors, and represents the approximate maximum population size in an environment.
Carrying capacity can be regarded as s average population size of a particular species that inhabitate a specific habitat. Carrying capacity can be also explained as maximum number of species that can stay in an environment for some period of time without negative impact on the environment.Some of the factors that affect this capacity are;
food availabilityavailability of wateravailability of space.Availability of mateAll these above factor gives limitations to the population size, for instance if there is no food, the some species could die and reduce the number in general, Same thing with space and water,Therefore, option A is correct because Carrying capacity can be limited by some factors like food availability.
Learn more at: https://brainly.com/question/2375972?referrer=searchResults
describe how community residents and authorities can prepare for an earthquake and its aftermath. Review earthquake advice from the USGS, the American Red Cross, and other agencies. If you live in an area that is susceptible to earthquakes, include suggestions specific to your area.
If we live in an area that is susceptible to earthquakes then we should follow such suggestions like store household items in a way that won’t cause injury, make sure large items are fastened to walls. Make sure not to sleep under a window and assemble emergency kits. Also if we are inside then remain in the specific position. However if, outside then use good sense and clean up any danger spots.
What are the differences between density-independent and density-dependent limiting factors?
Density independent means that the limiting factors are not dependent on the number of individuals in the population. For example, an earthquake will kill individuals in a population no matter if the population is large or small.
A density dependent limiting factor means that the effect is dependent on how many individuals there is in a population. For example, a disease will have greater effect in a large population since it would be spread to more individuals.
Density-independent factors affect the population irrespective of its size and include elements like weather and natural disasters. Density-dependent factors vary depending on population density and include biotic factors like predators and disease. In real-life situations, both types of factors can interact to affect the population.
Explanation:Density-independent and density-dependent limiting factors are both environmental conditions that can influence the population size. Density-independent factors affect the mortality of a population irrespective of its density. These are usually physical or chemical in nature, such as weather, natural disasters, or pollution. For example, deer may be killed in a forest fire irrespective of how dense their population in that area is.
On the other hand, density-dependent factors have varying effects depending upon the population density. These are mostly biological in nature, such as predation, competition, accumulation of waste, and diseases caused by parasites. When the population is denser, diseases can spread more rapidly, leading to increased mortality. Moreover, in situations with high intraspecific competition, the reproductive rates are generally lower, which can reduce the population's growth rate.
In real-world scenarios, regulation of population is complex and often involves an interaction of both these types of factors. A dense population experiencing mortality from a density-independent cause, like a severe winter, can recover differently than a sparse population.
Learn more about Density Dependent and Independent Factors here:https://brainly.com/question/32464528
#SPJ3
25 POINTS NEED ASAP
A researcher investigates a recently discovered species of plant. The plant has vascular tissues and exhibits a sporophyte and a gametophyte generation, but lacks seeds. How should the researcher classify the plant?
A. bryophyte
B. angiosperm
C. pteridophyte
D. gymnosperm
- It can't be a bryophyte because bryophytes are non-vascular.
- It can't be an angiosperm because angiosperms produce seeds.
- It can't be a gymnosper because gymnospers also produce seeds.
So, this means it's a pteridophyte because pteridophytes produce sprores insted of seeds, are vasuclar (meaning they have a vascular tissue).
Hope it helped,
BioTeacher101
Hello,
So it can't be bryophte or angiosperm... I'm not that good at biology but I think its pteridophytes. If you need more answers i'm good with math
Thankyou!!
From approximately 240 to 66 million years ago, dinosaurs dominated most of the land habitats on Earth. Around 66 million years ago, most dinosaurs went extinct when an asteroid struck the Earth. Mammals, which were much smaller and lived primarily in underground habitats, were able to avoid extinction. Mammals then underwent an adaptive radiation to develop a wide variety of new species. Which statement best explains why the adaptive radiation of mammals was possible?
A.
New species were able to form because the change in environmental conditions increased the mutation rate of mammals.
B.
Populations of mammals were able to rapidly increase since the Earth had a single, large habitat after the asteroid hit.
C.
Mammals were able to diversify to make use of the variety of habitats that were previously occupied by dinosaurs.
D.
The loss of predation decreased the rate at which mammals became reproductively isolated from one another.
The correct answer is option C, that is, mammals were able to diversify to make use of the variety of habitats that were previously occupied by dinosaurs.
Adaptive radiation refers to the comparatively fast evolution of various species from a single common ancestor. Adaptive radiation usually takes place when a species enters a novel area and distinct traits influence its existence. An illustration of adaptive radiation is the progression of mammals after the annihilation of dinosaurs.
Answer:
C for you, A for PLATO/Edmentum user.
which energy molecule is molecule is produced as a result of cellular respiration
answer
Gradpoint answer is "ATP"
Why do scientists publish the details of important experiments?
Publishing results of research projects in peer-reviewed journals enables the scientific and medical community to evaluate the findings themselves. It also provides instructions so that other researchers can repeat the experiment or build on it to verify and confirm the results.
A gas with constant temperature has a pressure of 123 kPa and a volume of 123.13 L. A pressure change caused the volume to decrease to 28.15 L. What is the new pressure?
T = const.
P1 = 123 kPa
V1 = 123.13 L
V2 = 28.15 L
P2 = ?
This is an example of Boyle’s law which describes how the pressure of a gas tends to increase as the volume of the container decreases, meaning that P*V=const. For comparing the same substance under two different sets of conditions, the law can be expressed as P1*V1=P2*V2
P2=P1V1/V2
P2=123kPa*123.13L/28.15 L
P2=538.01 kPa
Which enzyme facilitates the movement of chemical groups from one molecule to another?
A. hydrolases
B. transferases
C. isomerases
D. oxidoreductases
You can easily find the answer only by observing the words. Transferases are the enzymes that transfer molecules form on group to another.
Transferase molecules have the function, as mentioned above, of transfering molecules. Some noticeable examples of these tranfer can be observed in cells.
Hope it helped,
BioTeacher101
in which stage of the cell cycle do the nucleus and it’s contents divide
Mitosis brother. also just a tip you can google answers for things like these
The nucleus and its contents divide during the mitotic phase of the cell cycle, which includes the stages of mitosis and cytokinesis.
Explanation:The nucleus and its contents divide during the mitotic phase of the cell cycle. The stage of the cell cycle during which the nucleus and its contents divide is known as the mitotic phase. This phase is divided into two sub-stages. Initially, it involves mitosis, which consists of five stages (prophase, prometaphase, metaphase, anaphase, and telophase) and is responsible for the division of the nucleus. Subsequently, cytokinesis takes place, which refers to the physical separation of the cytoplasmic components into two daughter cells.
Learn more about the Mitotic Phase here:https://brainly.com/question/13340749
#SPJ12
What are two factors does carrying capacity compare?
Answer: D : Population size and time
Explanation: answer on E2020, hope this helps!
A form of energy that might wake you up in the morning
Sound energy. You could be woken up by many types of energies but the most common for a human would be sound energy. Some other possibilities include light and heat energy.
The four classes of organic molecules are __
Carbon
Carbohydrates
Polymers
Lipids
Nucleic acids
Amino acids
Proteins
Fatty acids
The four classes of organic molecules are carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates provide energy for the cell and structural support, while lipids serve as a long-term energy storage and are important for cell structure. Proteins have various functions in the body, and nucleic acids are involved in storing and transmitting genetic information.
Explanation:The four classes of organic molecules are carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates are a group of macromolecules that provide energy for the cell and structural support to certain organisms. Examples of carbohydrates include glucose and starch. Lipids are another class of organic molecules that serve as a long-term energy storage and are also important for cell structure. Examples of lipids include fatty acids and cholesterol. Proteins are macromolecules that have various functions in the body, such as providing structural support, facilitating chemical reactions, and transporting molecules. Examples of proteins include antibodies and enzymes. Nucleic acids are involved in storing and transmitting genetic information. Examples of nucleic acids include DNA and RNA.
DNA is made of four different bases: _______, _______, _______, and ______.
Answer:
Adenine, guanine, cytosine and thymine.
Explanation:
The full form of DNA is deoxyribonucleic acid. It is a double-stranded molecule and each strand of DNA is composed of nitrogenous bases, deoxyribose sugar, and phosphate group.
There are four types of nitrogenous bases that are present in DNA. The four bases are adenine, guanine, thymine, and cytosine. Adenine and guanine comes under purine and thymine and cytosine comes under pyrimidine.
Adenine and thymine makes two hydrogen bond with each, guanine and thymine makes three hydrogen bond with each other.
What do you notice about the ratio of hydrogen to oxygen in each monosaccharides
Indigestible carbohydrates often are classified as fiber. the human digestive tract lacks the enzymes to hydrolyze the ______________ bonds in these polysaccarides.
Unable to hydrolyze Beta 1-4 linkages
ExplanationCellulose is present in the plant structure. It is insoluble in water and aqueous solution. Humans do not have the necessary bacteria in their intestines that produces the enzyme cellulase required to break down the beta 1,4 linkage of cellulases. So we cannot break down the bond and are unable to digest these polysaccharides.
HELP PLZZ!!!!
Mycorrhizae are associations formed by fungi that grow on the roots of trees. These fungi penetrate into the roots of the trees. The trees produce energy through photosynthesis and share it with the fungi. The fungi act as decomposers, breaking down dead organic matter to provide nutrients for the trees to grow. What kind of a relationship is exhibited in this example?
A. The fungi share a mutualistic association with the trees.
B. The fungi are a parasite for trees.
C. The fungi share a commensal association with the trees.
D. The fungi are predators for the trees.
The option A is the correct option. The fungi share a mutualistic association with the trees.
Explanation:Mutualism or interspecific cooperation is the way two organisms of different species exist in a relationship in which each individual fitness benefits from the activity of the other. And in this case, both plant and fungi are benefited by each other. The plant provides food and habitat for the living of fungi and fungi, in turn, decompose dead organic matter to provide simple compounds to plants.
While in commensalism only one either plant or fungi can be benefited. And it is also not a parasitic interaction.
Answer:
It's A
Explanation:
trust me :)
Which term refers to the loss of fertile soil from drying out?
A) erosion
B) desertification
C) depletion
D) overuse
The term that refers to the loss of fertile soil from drying out is known as desertification.
What are the disadvantages of desertification?The disadvantage of desertification includes loss of biodiversity, food insecurity, crop failure, an increase in the spread of zoonotic diseases, etc.
Soil erosion is a process through which water or wind removes the particles of the upper soil layer and makes it disintegrate.
Depletion is a term that signifies the absence of any substance within the given region. Overuse indicates the excessive usage of any compound or substance.
Therefore, the term that refers to the loss of fertile soil from drying out is known as desertification.
To learn more about Desertification, refer to the link:
https://brainly.com/question/2426422
#SPJ2
Answer:
pretty sure its B
Explanation:
Recalling what you have learned about cells, you marvel at the ability of these tiny things to support their life functions. You then remember that they could not easily get much bigger without drastic changes. Explain why cells are so small, considering the relationship between surface area and volume for objects of different sizes but similar shapes. Will mark brainliest
Hi!
Recalling what you have learned about cells, you marvel at the ability of these tiny things to support their life functions. You then remember that they could not easily get much bigger without drastic changes. Explain why cells are so small, considering the relationship between surface area and volume for objects of different sizes but similar shapes.
Answer:
The reason cells are so small is because the fact that they need to diffuse through other materials more efficiently.
Label A is pointing to the nervous system. Label B is pointing to the nervous system.
lable a is peripheral
lable b is central
The type of relationship described could best be classified as one of
Haploid sperm and egg are produced via meiosis. What process is responsible for producing the 2N zygote? A) differentiation B) fertilization C) replication D) transcription
The process that produces the 2N or diploid chromosomes number in ANY organism that reproduces sexually is fertilization.
Meiosis produces sex cells or gametes that are N. When gametes unite, as seen here, during fertilization, the 2N number is restored.
B) fertilization
what is a specific region of an enzyme where a substrate binds and the chemical reaction occurs
The correct answer is an active site.
The active site, in biology, refers to the region of an enzyme where the molecules of substrate combine and goes through a chemical reaction. The active site comprises of the residues, which produce temporary bonds with the binding site (substrate) and residues that catalyze a reaction of that substrate, that is, the catalytic site.
Active site is a specific region of an enzyme where a substrate binds and the chemical reaction occurs.
Explanation:The active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.
It consists of two sites:
Binding site:It consists of residues that form temporary bonds with the substrate.
Catalytic site:It consists of residues that catalyze a reaction of that substrate.
How would a mistake and transcribing DNA message affect your ability to catch a killer
DNA contains all instructions and entire information which is written on genes this is the reason why a mistake and transcribing DNA message affect your ability to catch a killer. An indiviudal can catch the thief by complete DNA information but if any mistake occurred, then it will become difficult to detect the crime of people.
Transcription errors during DNA replication can lead to mutations that, if not corrected, may affect forensic investigations by altering genetic markers crucial for identifying suspects or implicating innocents.
During DNA replication, the accuracy of copying information by enzymes like DNA polymerase is crucial. Typically, DNA replication is a highly accurate process, where enzymes such as DNA polymerase are responsible for copying the cell's DNA. However, they sometimes make mistakes, like inserting the wrong base. These errors, if not corrected by proofreading and repair mechanisms, can lead to permanent changes in the sequence known as mutations.
When it comes to catching a killer using genetic evidence, the ability to faithfully transcribe and replicate DNA is paramount. If mistakes are made and not corrected, they could lead to incorrect interpretations of genetic evidence, potentially implicating the wrong person or missing the true culprit.
Therefore, errors in transcribing DNA can result in mutations that impact protein functioning and have serious consequences like cancer.
N the 1600s, which scientist discovered microbes in pond water by using a microscope? Theodor schwann robert hooke anton van leeuwenhoek matthias schleiden
Answer:
Anton Von Leeuwenhoek in 1674, observed a drop of pond water under a microscope. He observed living microbes like bacteria and protozoa. He is commonly known as ''the Father of Microbiology" and he is the first microscopists and microbiologists.
Anton van Leeuwenhoek was a scientist who discovered microbes in pond water by using a microscope.
Who was Anton van Leeuwenhoek?Anton van Leeuwenhoek is generally recognized as the father of microbiology. Both protists and bacteria were discovered by him. He was not only the first to view this hitherto unseen world of "animalcules," but he was also the first to contemplate looking—certainly, the first with the capacity to see.
He most likely first noticed bacteria in 1674, followed by protozoa a few years later. He was able to separate those "very little animalcules" from a variety of sources, including human mouth and intestine, pond, and well water.
Learn more about Anton van Leeuwenhoek at: https://brainly.com/question/11331011
#SPJ6
how do the daughter cells that result from mitosis compare with one another
Hello,
Question - How do the daughter cells that result from mitosis compare with one another?
Answer - After mitosis it results in daughter cells that have half as many chromosones per cell.
Why - "Preparing for mitosis, a cell produces a copy of its DNA. Homologous pairs are separated, and the two resulting daughter cells have half as many chromosomes per cell."
According to the cell theroy all cells are arise from the division of preexisting cells ture or false
true.
cell theory:
1. all licing things are composed of cells. ( or cell products)
2. the cell is the smallest unit of life.
3. cells only arise from pre-existing cells.
Why can’t the evolutionary relationships between certain species be explained thoroughly?
Their fossils are too large to study.
They have different physical characteristics.
A link is yet to be discovered.
The species are poorly related to each other.
Answer: The species are poorly related to each other.
Darwin gave information for evolution as "descent with modifications" it involves a process in which species change and gives rise to a new species over generations. He proposed that the evolutionary history of life forms a branching tree with many level as a new species evolve. All species can be traced back to a common ancestor. Each newly evolved species will have one or more characteristics in common as that of the old species.
In species with no common ancestor will not have any similar characteristic in common such species cannot be evolutionary linked and cannot be placed and linked in an phylogenetic tree.
Under which branch of oceanography would one study the Coriolis Effect?
Geological Oceanography
Chemical Oceanography
Physical Oceanography
Marine Science
The answer is option C - Physical Oceanography.
One can study the Coriolis Effect under Physical Oceanography.
Physical oceanography is defined as the study of the physical conditions and physical processes within the ocean. It specifically studies the motion and physical properties of ocean waters.
Answer:
Option (C)
Explanation:
Physical oceanography is the branch of oceanography that deals with the study of all the physical processes that take place within an ocean. It illustrates how the waves in the oceans are generated, the factors that affect them, tidal effects, effects of Coriolis force, transportation of sediments from the oceans to the coastal regions and again back to the oceans. It also studies the changing effects of latitudes and interaction patterns between the ocean waves and the atmosphere.
coriolis force is the force that initiates due to the rotation of earth. It creates a deflection towards the right while moving in its wind direction.
Hence this Coriolis effect is studied in the field of physical oceanography.
Thus, the correct answer is option (C).
when is zero not significant
If a zero is found between significant digits, it is significant.
It is not significant when it is found in front a normal number for instance in a decimal if it is behind the number it is significant.
Answer: All zero’s preceding the first integers are never significant
All zeroes used solely for spacing the decimal point are not significant.
Explanation:
Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.
Rules for significant figures:
Digits from 1 to 9 are always significant and have infinite number of significant figures.
All non-zero numbers are always significant. For example: 654, 6.54 and 65.4 all have three significant figures.
All zero’s between integers are always significant. For example: 5005, 5.005 and 50.05 all have four significant figures.
All zero’s preceding the first integers are never significant. For example: 0.0078 has two significant figures.
All zero’s after the decimal point are always significant. For example: 4.500, 45.00 and 450.0 all have four significant figures.
All zeroes used solely for spacing the decimal point are not significant. For example : 8000 has one significant figure.