Probably like 2 hours or so
Determining the exact duration of dinosaur mating is challenging due to limited direct evidence. Analogies with modern relatives suggest varied behaviors, emphasizing the importance of species-specific factors in dinosaur reproduction.
Determining the mating duration of dinosaurs is a challenging task as it involves interpreting behaviors from fossilized evidence. Fossils provide insights into dinosaur anatomy, but behaviors, including mating rituals, are more challenging to discern. Researchers rely on indirect evidence such as trackways, nesting sites, and bone structures.
The duration of dinosaur mating, or "dinosaur romance," is speculative due to limited direct evidence. Analogies with modern-day reptiles and birds, the closest living relatives of dinosaurs, provide some context. These animals exhibit a wide range of mating behaviors, from brief copulation to more extended courtship rituals.
Factors influencing mating duration in dinosaurs would likely include species-specific behaviors, environmental conditions, and reproductive strategies. Some dinosaurs may have engaged in elaborate courtship displays, while others may have had more straightforward mating behaviors.
In conclusion, the specific duration of dinosaur mating remains uncertain due to the limitations of interpreting behaviors from the fossil record. While modern analogs offer some insights, each dinosaur species likely had unique reproductive strategies that were influenced by their environment and evolutionary adaptations.
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Someone please help! I’ll mark a brainliest! :)
Answer:
Organs are made up of tissue.
Explanation:
Answer:
Organs are made up of tissue.
List two species that are clear examples of genetic drift and speciation events.
Answer:
Cougar and cheetah
Explanation:
The cougar and the cheetah are a nice example of genetic drift and speciation. These two felids have a common ancestor that lived in North America. As the environment was changing, some individuals of the species started to occupy the forests, especially in the mountainous regions, while other individuals moved into the open grasslands where there was an open niche in the food chain. The cougar emerged from the ones that lived in the mountainous forests, remaining typically cat like, with lot of muscle tone, relatively short legs, and being an ambush predator. The cheetah emerged from the ones that started living in the grasslands. Unlike their cousins, these individuals experienced lot of changes, developing long legs, larger heart and lung capacity, losing their retractable claws, and becoming sprinters. As the conditions changed, the cheetah migrated, eventually reaching Eurasia and Africa, while the cougar spread across most of North America and South America.
How might a gene mutation be silent, with no observable affect on a cell or an organism?
A. Many proteins are superfluous to the function of a cell. A gene mutation in a gene that encodes an unnecessary protein would have no observable affect on the cell or the organism.
B. Codons are complementary to anti-codons in tRNA. A gene mutation that changes a codon to its anti-codon would have no observable effect on the cell or the organism.
C. Several codons are stop codons. A gene mutation that inserts a stop codon when only a few amino acids remain in the peptide sequence would have no observable effect on the cell or the organism.
D. Many amino acids are coded by multiple codons. A gene mutation that encodes the same amino acid would have no observable effect on the cell or the organism.
Answer:
D
Explanation:
There is approximately 64 base combination of codons (3 bases sequences) that are possible from the four bases nucleotides that make up our DNA. Yet there are only approximately 20 types of amino acids in our bodies. This means that other than the 4 start and stop codons, there is a lot of redundancy in the coding of amino acids by codons. Therefore some mutations on codons will have no effect on the type of amino acid translated. These are the silent mutations.
Which of the following correctly lists the three major locations of freshwater on Earth in order, from greatest amount of water to least amount of water?
A. ice caps and glaciers, groundwater, surface water
B. surface water, ice caps and glaciers, groundwater
C. groundwater, surface water, ice caps and glaciers
D. surface water, groundwater, ice caps and glaciers
A. Option is correct
Ice caps and glaciers - 69%
Groundwater - 30%
Surface water - less than 1 %
Answer:
A. ice caps and glaciers, groundwater, surface water
Explanation:
Fresh water is a type of water, found in nature, in which there is no salt. It is water suitable for consumption (provided it is treated) for humans and animals. Fresh water is also used in agriculture. Only about 2.5% of the water found on our planet is sweet. It is mainly found in polar caps and glaciers, groundwater, surface water.
With the growth of the world population, fresh water has become increasingly scarce. Overuse, waste and water pollution are the main problems related to fresh water today.
As it is a precious and scarce mineral resource, society must be aware that, in order not to run out of water in the near future, it is necessary to avoid waste, use it rationally and do not pollute rivers, lakes and water sources.
I need help ASAP please help me...
Answer:
1. She woke up early
2. The sun would've not got to her nose.
3. ( I dont understand this one. Also, Be posive on this! your homework is just as important as your video game! *This was super easy and you should be able to Read And get it correct. Hope this helps! <3)
What's the correct order of the thunderstorm life cycle, from its beginning to its end?
A. Maturity, dissipation, development
B. Development, maturity, dissipation
C. Maturity, development, dissipation
D. Development, dissipation, maturity
Answer :The correct order of the thunderstorm life cycle, from its beginning to its end is Development, maturity, dissipation- B.
why does the complexity of gene regulation mirror the complexity of the organism in which it is found?
Answer:
Organisms that are more complex, such as eukaryotes, have cells that are specialized for specific functions. Gene regulation needs to be more complex to produce these specialized cells for complex organisms. Please Mark Me Brainliest
Explanation:
which of the following is the best way to address this problem
To address a problem in design and interface, one should define the problem, utilize problem-solving strategies and tools, and methodically work through solutions. An analytical approach to design challenges in Computers and Technology enhances user interaction and satisfaction while preventing future issues.
Explanation:Addressing design and interface challenges can often be approached methodically through steps and utilizing the right tools. Firstly, identify the core problem, which can include user interface issues, lack of intuitive design, or poor user experience. After pinpointing the problem, consider problem-solving strategies relevant to the field of Computers and Technology, such as:
Planning out the interface with a focus on simplicity and intuitionEngaging with tools that assist in interface design and usability testingSequentially approaching the problem-solving process, tackling one issue at a timeSeeking evidence-based methods to support your chosen approachEmploying a preventive mindset to avoid future issues by thorough testing and iterationBy adopting these strategies, you can ensure that the approach to addressing the problem is systematic and yields effective solutions that enhance the overall design and functionality of your product. A thoughtful, analytical approach to problem-solving in technology can improve user satisfaction and prevent recurring problems.
Phosphorus isn't as abundant as nitrogen or carbon because it is contained in the
+ and
released with
processes, which can take a long time.
Answer: Lithosphere and geological
Explanation: The phosphorus is not as abundant as carbon because it does not occurs in the form of gas.
The phosphorous cycle is completed in the lithosphere as well as geological process which takes time. It is contained in the rocks and gets run off through water after weathering.This is how the plants get phosphorous from soil and water.
The run off then flows towards ocean and sea and gets deposited in the ocean. This is how phosphorous cycle takes place.
Phosphorus is crucial for life but isn't as abundant as nitrogen or carbon because it's found primarily as phosphate, which moves through the environment very slowly. It's leached from rocks and makes its way into bodies of water, where it can stay for thousands of years.
Explanation:Phosphorus is an essential nutrient for living processes; it's a major component of nucleic acid and phospholipids, and, as calcium phosphate, makes up the supportive components of our bones. Phosphorus is often the limiting nutrient, necessary for growth, in aquatic ecosystems. Phosphorus occurs in nature as the phosphate ion (PO4³-).
In addition to phosphate runoff as a result of human activity, natural surface runoff occurs when phosphate is leached from phosphate-containing rock by weathering, which sends phosphates into rivers, lakes, and the ocean. The movement of phosphate from the ocean to the land and through the soil is incredibly slow, with the average phosphate ion having an oceanic residence time between 20,000 and 100,000 years. Consequently, the abundance of phosphorus is relatively low when compared to elements like nitrogen or carbon.
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DNA Sequence 5'- AGT AAC GGC AGA CTT CTC CAC AGG AGT CAG GTG CAC CAT -3' mRNA Sequence: 5'- ........................................................-3' Nucleotides: ACGTU
Answer:
5'- UCA UUG CCG UCU GAA GAG GUG UCC UCA GUC CAC GUG GUA -3'
Explanation:
As we know there are four nitrogenous bases in DNA double helix, they are divided into two categories Purines and Pyrimidines.
Purines:
Adenine (A) and Guanine (G)
Pyrimidines:
Cytosine (C) and Thymine (T)
Note: In case of RNA Thymine will be replaced with Uracil (U)
During Transcription, A DNA sequence is copied into messenger RNA (mRNA). As a first step the double helix molecule of DNA will unwind and one of the strands will be used as template. RNA polymerase moves along the template strand and synthesize mRNA.
The complementary mRNA sequence to the given DNA sequence would be 5'- UCA UUG CCG UCU GAA GAG GUG UCC UCA GUC CAC GUG GUA -3'. This mRNA sequence is then decoded during the process of translation into a polypeptide chain with a specific sequence of amino acids.
Explanation:The DNA sequence provided is a template strand from which the complementary mRNA sequence is transcribed. The transcription process follows the principle of base pairing but uses uracil (U) in RNA instead of thymine (T) in DNA. Thereby, adenine (A) pairs with uracil (U), thymine (T) pairs with adenine (A), cytosine (C) pairs with guanine (G), and guanine (G) pairs with cytosine (C) in the mRNA sequence.
So, the complementary mRNA sequence to the provided DNA sequence 5'- AGT AAC GGC AGA CTT CTC CAC AGG AGT CAG GTG CAC CAT -3' would be: 5'- UCA UUG CCG UCU GAA GAG GUG UCC UCA GUC CAC GUG GUA -3'.
This mRNA sequence then goes through a process called translation where it is decoded into a polypeptide chain (a protein) with a specific sequence of amino acids. The three-nucleotide sequences also known as codons in mRNA each correspond to a specific amino acid in the peptide chain.
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How does ATP supply energy for cellular activities? by breaking off a phosphate group from its structure by releasing the sugar molecule from its structure by adding a phosphate group to its structure by attaching itself to a glucose molecule
Answer:
A) by breaking off a phosphate group from its structure
Explanation:
ATP supplies energy for cellular activities by breaking off a phosphate group from its structure. This released energy is used to do work by the cell, such as muscle contraction.
Explanation:ATP, or adenosine triphosphate, supplies energy for cellular activities by breaking off a phosphate group from its structure. When ATP is broken down, usually by the removal of its terminal phosphate group, energy is released. This energy is used to do work by the cell, usually by the binding of the released phosphate to another molecule, thus activating it. For example, in the mechanical work of muscle contraction, ATP supplies energy to move the contractile muscle proteins.
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How are natural resources classified
As renewable or no renewable
As naturally occuring or manufactured
As good for the environment or bad for the environment
As readily available or not
Answer:
As renewable or no renewable
Explanation:
The natural resources are classified as renewable or no renewable. The renewable natural resources are the ones that are constantly present, caused by the nature, and they can not be spent. Some of these natural resources are the wind, and the sunlight. The no renewable resources are the ones that are in limited amounts, thus they can be spent. Some of these natural resources are the oil, natural gas, and coal. The no renewable natural resources though are much more used than the renewable ones. The reason for this is that tend to produce more energy, and also are relatively cheap. The renewable natural resources are on the rise when it comes to their usage, and lot of nations make a lot of effort to make them their primary source of energy, but it seems that that will take a while.
Answer:
As renewable or nonrenewable
Explanation:
in general which step ofvthe scientific method is generally follows a hypothesis
Answer:
test your hypothesis
Explanation:
Answer:
The correct answer will be-perform the experiment to test the hypothesis
Explanation:
In a scientific method, the sequential steps are followed to understand and explain any natural phenomenon.
The important step of the scientific method is the formation of the prediction based on the background research called hypothesis. The hypothesis exhibit a limited explanation of the scientific explanation.
Therefore, the next step after the formation of the hypothesis will be the design of an experiment to test the hypothesis. The experiment must be performed to test the hypothesis and is the correct answer.
What is a blastula?——————————
The blastula (from Greek βλαστός (blastos), meaning "sprout") is a hollow sphere of cells, referred to as blastomeres, surrounding an inner fluid-filled cavity called the blastocoele formed during an early stage of embryonic development in animals.
Answer:
An early stage of embryonic development having a hollow mass of cells.
Explanation:
During embryonic development, blastula represents a development stage, characterized by a hollow mass of cells. These cells are known as blastomeres. Inside the ball of cells, a fluid-filled cavity is present, known as segmentation cavity or blastocoel.
In mammals, blastula is called as blastocyst, including humans.
How many people die of lung cancer every year?
a.
over 140,000.
b.
less than 10,000.
c.
less than 50,000.
d.
none of the above.
the most recent year for which we have statistics available, 157,423people -- 86,689 men and 70,734women -- died from lung cancer in the U.S.
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Changes in environmental conditions always result in new ecosystems and loss of biodiversity characterized by an increase in the number of some species, the evolution of new species, and the extinction of some species.
Use what you have learned from the lesson, as well as reliable and reputable resources, to evaluate this claim.
The statement is a short one, but it manages to sum up what happens in nature in a simplified manner.
All the species have evolved to a certain type of environment, thus being perfectly well adapted to certain living conditions, and developing traits that are advantageous for the survival in that particular environment. But the Earth is constantly changing, and those changes result in changes of the environment, sometimes gradually, sometimes very quickly. The loss or change of environment always has huge impact on the species. Some go extinct, especially the ones that have been too specialized, while the more opportunistic and less specialized species often manage to survive. The ones that manage to survive face a new environment, so they evolve in a way that is advantageous for them to survive in the new environment, thus giving rise to new species. Other species may already have the required traits for the new environment but have been living in different area, so they will gradually move in this new environment as it suits them, thus having a situation where the ecosystems will eventually be totally changed and unrecognizable from the predeceasing ecosystems.
Answer:
Changes in environmental conditions like floods or forest fires, always result in new ecosystems and loss of biodiversity characterized by an increase in the number of some species, the evolution of new species, and the extinction of some species. If humans are hunting for predators like jaguars, this would affect the food chain and cause a loss of biodiversity. The prey would survive and reproduce more because there would be fewer predators to eat them. Therefore, the population can increase. Species can also evolve to fit the environmental conditions. For example, if there is a major drought in an area, some organisms could adapt and evolve to the drought. However, the organisms that can't evolve would die and would also cause a loss of biodiversity. Environmental conditions like climate change affect many organisms. One pine tree species went extinct because of climate change. The seeds couldn't grow and reproduce in the weather, so the organism gradually went extinct.
if a control group is NOT included in an experiment, it would be difficult to
Answer:
Find the base of the experiment
Explanation:
If i tested how high my new jumping boots could go, then i would first have the person jump without them and then jump with them. I would use the control (without the shoes) and compare it to how high the person went WITH them on.
Without a control group in an experiment, it's difficult to determine whether the outcomes observed were truly due to the variable being tested or some other factors. A control group acts as a reference point, showing what happens when the variable isn't applied, which is key for comparison with the experimental group. Excluding a control group may result in misleading or unreliable results despite the additional difficulty of including one.
Explanation:If a control group is NOT included in an experiment, it would be difficult to discern whether observed outcomes were in fact due to the variable being tested or if they resulted from some other external factors. The control group acts as a baseline or reference point in an experiment. It represents what happens when the variable or treatment is not applied, which is vital for comparison with the experimental group where the treatment is applied.
For example, in drug testing experiments, a control group may receive a placebo while the experimental group receives the actual medication. Both groups must otherwise be managed exactly the same, meaning they need to have comparable characteristics and demographics. By doing this, researchers can confidently attribute any statistically significant differences in outcomes between the two groups to the effect of the drug being tested, and not due to chance or other variables.
Excluding a control group from an experiment could mean that the results could be misleading, inconclusive, or unreliable. While including a control group in experimental design might seem more difficult, it's an integral part of ensuring the validity and integrity of the experiment data and findings.
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URGENT!!!
A small population of lizards lives on an island where the environment is changing quickly.Which BEST describes why the lizards may become extinct?
A.The lizards are not able to reproduce
B.The lizards are undergoing natural selection
C.The lizards do not have enough genetic variation
D.The lizards have to much overproduction
Answer: B
Explanation: The lizards are trying to adapt t the environment, therefore, it would be B.
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Its B for the question hope this awnser helps you
which atmospheric layer is least dense
The exosphere is the least dense layer of Earth's atmosphere because it is the farthest away from Earth and has the least amount of air molecules.
The exosphere is the least dense layer of Earth's atmosphere.
Here's why:
The atmosphere is made up of five layers: the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
As you move away from Earth's surface, the density of the atmosphere decreases. This is because gravity pulls the atmosphere towards Earth, so the closer you are to Earth, the more molecules there are to be pulled in.
The exosphere is the outermost layer of the atmosphere, and it is so thin that it is barely considered part of the atmosphere at all. The density of the exosphere is about 100,000 times less than the density of the air at sea level.
Because of its low density, the exosphere is very cold and has very little air pressure. In fact, the exosphere is so thin that satellites can orbit Earth within it without encountering much air resistance.
The question has eliminated one option exosphere that is only the correct answer.
3) Plant cells perform photosynthesis, which occurs in the
Answer:
Chloroplast
Explanation:
chloroplasts is the answer:)
What is the process of ovulation
Answer:
Ovulation is the release of an egg, or ovum, which may then be fertilized by a sperm cell or dissolved during menstruation. The ovulation process is defined by a period of elevated hormones during the menstrual cycle. ... This is the period of fertility and usually lasts from 24 to 48 hours.
Explanation:
the special reproductive structures known as sperm and egg are correctly referred to as
Answer:
The correct answer is - gametes or sex cells.
Explanation:
Gametes are the sec cells that are produced by the gonad or reproductive gland or organs. Female gametes are called egg cells where as male gametes are known as sperm.
These gametes fuse to produce offspring of an individual. The process of fusing sex cells or gametes called fertlization.
Thus, the correct answer is - gametes or sex cells.
They are correctly referred to as Gametes
Gametes are reproductive cells formed during sexual reproduction towards producing a new organism which is termed zygote. Gametes in males and females bodies are different.
Further ExplanationHowever, the Male gamete is called sperm, and the female gamete is called egg or ovum. Usually, the male gamete is smaller than the female gamete. It also usually mobile. The male gamete has a long tail known as flagellum, which allows it to move towards the female gamete. On the other hand, the female gamete is always larger than the sperm and is not mobile unlike the male gametes.
Gametes can also be defined as identified sex cells which contain half the number of chromosomes of the parent. Fertilization takes place when a sperm and an egg connect, forming a single cell which is termed “zygote.” The zygote increases into an individual or more.
However, Humans have forty-six (46) chromosomes resulting from a twenty-three (23) pairs.
Formation
Gametes are formed by a process in which cells are divided into more parts called Meiosis. The division process results into four daughter cells which are called haploid. A set of chromosomes is usually located in Haploid Cells.
Fertilization is the connection of the male and female gametes which leads to zygote formation.
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gametesfertilizationhaploidzygotemeiosisspermeggovumDescribe the three types of population distribution
Answer:
1. There are three type of population distribution namely uniform, random and clumped.
a) Uniform distribution also know as a rectangular dispersal or distribution that has constant probability. This is also a family of symmetric probability distributions.
b) Random distribution takes place where individuals are spaced at unpredictable spaces or distances from each other.
c) Clumped distribution is when individuals in a population are clustered together, making some patches with other organism or individuals.
Explanation:
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Which branch of Earth science is most likely to focus on the formation of rocks and minerals?
Geology is the study of solid Earth. Geologists study how rocks and minerals form.
Examples: The way mountains rise, or the way mountains erode.
Answer:
geology
Explanation:
Geology is the study of the solid Earth. Geologists study how rocks and minerals form. The way mountains rise up is part of geology. The way mountains erode away is another part
Who examines and coordinates the cleanup of polluted sites?
Answer:
The Environment Protection agency examines and coordinates these sites.
Explanation:
Which is a scientific claim
A scientific claim is a claim made by scientists but doesn't really answer a question.
Answer: (D [I think]) Placing half filled one gallon jugs of water out on the lawn prevents moles from occupying the space underground
Explanation:
Let’s face it y’all just wanna pass a unit test or a quiz
State two additional kinds of evidence beside structural and molecular that can further support the relationship between species
Answer:
Behavior maybe? The diet?
Explanation:
What are the two main reasons archaea and bacteria belong to different domains
Archaea and bacteria are placed in different domains due to their distinct evolutionary histories and structural differences, specifically the composition of their cell walls and membranes.
Explanation:The two main reasons why archaea and bacteria belong to different domains are their distinct evolutionary histories and structural differences. Archaea and bacteria are both unicellular prokaryotic organisms, but they evolved separately from each other and hence have different genetic makeup and metabolic pathways.
Structurally, the most notable difference is the composition of their cell walls and membranes. Bacteria usually have a cell wall composed of peptidoglycan, while archaea have cell walls made of a similar substance called pseudo peptidoglycan or other polymers. Additionally, they incorporate different lipid molecules into their cell membranes. These distinctions place these organisms into the separate domains of Bacteria and Archaea.
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what evidence places fish as the first vertebrates
Answer:
Fossils
Explanation:
Describe two roles that enzymes play in DNA replication. . . .
×║thank you║×
Answer:
The DNA enzyme helicase unzips the DNA strand so that one side can be used as a template to make a new strand. DNA polymerase is another enzyme that takes nucleotides from solution and bonds them to other nucleotides.