During Charles Darwin’s first presentation following his voyage on the HMS Beagle, he attempts to document his evidence of gradualism – an idea he learned about from reading Charles Lyell’s book Principles of Geology. What evidence did he present? What did he describe as the “key” to the
formation of mountains?
Answers
He found fossils in top where it should be miles below.
Charles Darwin’s describe a lot of time as the key to the
formation of mountains.
Who is Charles Darwin?
Charles Darwin was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology.
Charles Darwin proposed that all species of life have descended from a common ancestor is now generally accepted and considered a fundamental concept in science.
Charles Darwin first presentation following his voyage on the HMS Beagle, he attempts to document his evidence of gradualism – an idea he learned about from reading Charles Lyell’s book Principles of Geology found fossils in top where it should be miles below. So he concluded that a lot of time as the key to the formation of mountains.
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Related Questions
____ is known as the coping of dna
Answers
Answer:
Replication
Explanation:
The copying of DNA is called DNA replication. The steps of DNA replication are the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
Hope this helped!
In dragons, blue horns
(B) are dominant to
yellow horns (b).
What percent of these
offspring would have
yellow horns?
50%
75%
0%
25%
Answers
The answer is 25 percent
What is a contributor of global warming? A. aerosol sprays B. carbon dioxide C. acid rain D. garbage
Answers
Plan an Investigation Design a controlled
experiment to demonstrate that birds do not
spontaneously generate on birdfeeders.
Answers
Hypothesis: Birds do not spontaneously generate on birdfeeders.
Experimental design:
Obtain two identical birdfeeders and fill them with birdseed of the same brand and type.
Place both birdfeeders in the same location, one on the ground and the other hanging from a tree or pole.
Randomly select a time of day to check the birdfeeders and record the number of birds on each feeder.
Repeat the experiment for a minimum of 7 days to collect sufficient data.
Analyze the data collected and compare the number of birds on each feeder to determine if there is a statistically significant difference.
Control:
The control in this experiment is the birdfeeder on the ground, which serves as a baseline for the number of birds that naturally visit the area.
Variables:
Independent variable: The location of the birdfeeder (ground or hanging).
Dependent variable: The number of birds on each feeder.
Potential confounding variables:
Weather conditions: Wind, rain, and temperature can affect bird behavior and may influence the results.
Time of day: Some birds are more active in the morning or evening, which may impact the number of birds observed.
The type of birdseed used: Different types of birdseed may attract different birds, which could affect the results.
To control for these variables, the experiment should be conducted at the same time of day and in similar weather conditions. The same type of birdseed should be used for both feeders to eliminate differences in bird preference.
1. Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased, Which of the following describes a necessary condition for thesechanges in the finch populations to occur?
Answers
Answer:
A necessary condition for the changes in the finch populations to occur in response to the drier climate would be:
- Variation in beak shape within the initial population: There must have been existing genetic variation in the population of finches regarding beak shape. Some finches would have had the beak shape that provided an advantage in obtaining food resources in the drier climate, while others would have had different beak shapes.
Without this initial variation in beak shape, there would be no opportunity for natural selection to act and favor individuals with the advantageous beak shape. Therefore, the presence of genetic variation within the population is necessary for the changes in the finch populations to occur.
Based on the theory of natural selection, the necessary condition for the changes in the finch populations to occur is limited food resources. Option B
What does natural selection say?Natural selection is the process by which populations of living organisms adapt and change over time.
Natural selection occurs when there is variation within a population of a species, and some individuals are better able to survive and reproduce than others.
These individuals are more likely to pass on their genes to the next generation, and the population will gradually change over time.
The above answer is based on the full question below;
Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased, Which of the following describes a necessary condition for these changes in the finch populations to occur?
A. fewer mutations B. limited food resources C. limited beak variations D. overproduction of offspring
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Explain how the distance between genes relates to the frequency of recombination
and gene mapping. Include at least 5 strong supportive sentences.
Answers
Using the text and image above, in addition to what you know about enzymes and substrates as evidence, explain how a mutated PAH enzyme could lead to PKU. Group of answer choicesA) Mutated PAH has folds differently than wildtype and can’t add OH to phenylalanine as well as wild type. Phenylalanine doesn’t get converted to tyrosine.B) Mutated PAH has folds exactly the same as a wildtype and can add OH to phenylalanine as well as wild type. Phenylalanine does get converted to tyrosine.C) Mutated PAH has folds exactly the same as a wildtype and can’t add OH to phenylalanine as well as wild type. Phenylalanine does get converted to tyrosine.D) Mutated PAH has folds exactly the same as a wildtype and can’t add OH to phenylalanine as well as wild type. Phenylalanine doesn’t get converted to tyrosine.
Answers
Enzymes require certain conditions to be able to convert the substrates into products. Some of these conditions are related to the environment where the enzyme is found (such as pH or temperature), but others are related to the enzyme itself, such as their folding or the amino acids that form them.
In the case of most cases of PKU, PAH gene has a mutation that produces an enzyme that is not as effective when turning the phenylalanine into tyrosine.
With this information, we can say that:
A) is false because it says that no amount of tyrosine is produced.
B) is false because it says there is no affectation of the PAH
C) is true because it says that the mutated enzyme can't convert as effectively, but there is some production of tyrosin
D) is false because it says that no tyrosine is produced.
Correctly identify the following labels on the plant and animal cells
Answers
Even when animals and plant cells share many structures, they also have several differences. Chloroplasts, a big vacuole, cell walls (plant cells), centrioles, and several small vacuoles (animal cells).
Note: Since I did not find the complete question, here I provide an explanation of the main differences between plant and animal cells, and I attach an image with different labels for you to know which these structures are.
What are the differences between plant and animal cells?Plant and animal cells share many characteristics but differeciate in some others.
SIMILARITIES:
Both of them,
are Eukaryotic cellshave a cell membrane that provides protection to the cell content and allows the selective transport of substances in and out of the cell. carry their genetic material in the nucleus and mitochondria. have organelles, which accomplish different functions and are located in the cytosol.have microtubules in their cytosol involved in substances transport and cell structure. have pigments that provide color to the tissue and accomplish different functions on the cell.DIFFERENCES
Plant Cells,
Have a cell wall, which is a rigid structure that protects the cell and provides support. Since it is rigid, cells' shape is usually prismatic and regular. Cell walls are composed mainly of cellulose. Have chloroplasts. These organelles accumulate chrorophyll and are in charge of photosynthesis. They use solar energy to produce organic matter and release oxygen. They also carry their genetic material. Have a unique big-sized vacuole that might occupy almost 90% of the cell. Their principal function is to store water and keep the turgidity. When the vacuole gets empty, the plant loses rigidity. Have plasmodium, chromoplasts, and glyoxysomes.Animal Cells,
They have centrioles, which are paired tubular organules composed of microtubules, closely involved in cell division. These are located in the centrosome near the nuclear membrane.
Animal cells have many small vacuoles that store water, ions, and waste substances.
In the attached image you will find all these labeled structures.
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List the populations that are affected by ultraviolet light and identify the effects on each of these populations.
Answers
The population affected most by ultraviolet light are the people with light skin. People with light skin have little to no melanin which protect the skin against the effects of ultraviolet light against the skin. Most people with light skin use sunscreen and sun protect creams.
Effects of Ultraviolet light on Light skin.SunburnUltraviolet light causes sunburn. Sunburn is like a patch on the skin which is discoloured and a bit darker than the normal skin color.
Skin CancerUltraviolet ray causes skin cancer. Both basal cell and squamous cell cancers are mostly found in patients that have exposed their skins to the ultraviolet light.
Aging.Ultraviolet light causes changes in DNA which can lead to premature aging.
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Can earthquake sensors detect tsunamis
Answers
After eating 27
watermelons,
Herman the worm
became a total of 4 1/3 meters long. Along his body
he had colored segments that were each 1 1/4
meters long. How many segments is Herman's
body made of?
Answers
Herman's body is therefore divided into 13 and 15 segments.
To find how many segments Herman's body made of ?Herman is 4 1/3 meters long overall, which is equivalent to 13/3 meters.
The length of each colored segment is 1 1/4 meters, or 5/4 meters.
We must divide the total length by the length of each segment to determine the number of segments:
(13/3) ÷ (5/4)
We multiply by a fraction's reciprocal to divide by it:
(13/3) × (4/5) = (13 × 4) / (3 × 5) = 52/15
Herman's body therefore consists of 52/15 parts. By multiplying the numerator and denominator by 4, we may reduce the following fraction:
(52/4) ÷ (15/4) = 13/15
Herman's body is therefore divided into 13 and 15 segments.
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Scientists were studying temperature selection amongst pregnant big brown bats. What would be the best control group for this study? a. pregnant bats b. female bats that were not pregnant c.male bats d. juvenile male bats e.juvenile female bats
Answers
What is the main difference between cell division in plants animals
Answers
Answer: The key difference between plant and animal cell division is that plant cells form the cell plate in between the two daughter cells in mitosis, whereas the cell membrane forms the cleavage furrow in between the two daughter cells in animal cells.
Hope this helps!
Answer:
The key difference between plant and animal cell division is that plant cells form the cell plate in between the two daughter cells in mitosis, whereas the cell membrane forms the cleavage furrow in between the two daughter cells in animal cells.
Explanation:
What happens during the summer
solstice?
Answers
Answer:
the sun travels the longest path through the sky therefore that day had the most daylight
Please guy anyone can solve this ?
Make one qualitative observation about the picture above.
Explain why this is a qualitative observation.
Make one quantitative observation about the picture above.
Explain why this is a quantitative observation.
Answers
If you're in a car during a tornado, put your safety first by finding shelter. Find a strong building or an underground refuge if you can get out of the car.
Drive to a low-lying place, such as a ditch, park the car, and stay inside while fastening your seatbelt if there is no nearby shelter. To shield oneself from flying debris, wrap up with a blanket or jacket for safety.
Overpasses should not be used as a place to hide since they might be harmful. Follow directions from authorities and keep up with local weather reporting. Always put your safety first, and act quickly to defend yourself during a tornado.
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Which factor helps improve the validity of scientific writing?
(Select all that apply)
fully disclosing all facts—even if they do not support the hypothesis
using sources that are peer reviewed
using a very wordy writing style
showing evidence of scientific thinking in the writing
Answers
Answer:
fully disclosing all facts
PLz answer my scientific question
Answers
Answer:
the independent variable is time.the independent variable is time in the second graph because time is the only independent variable.Explanation:
hope this will help :)
Answer:
I would have to say D but I might be wrong.
Explanation:
Question 10 of 25
Which sentence best describes volcanic eruptions?
Answers
The sentence that best describes volcanic eruptions is that Volcanic emissions are times in which liquid shake (magma), fiery debris, and gas are ousted from a volcanic vent.
What is volcanic eruptions?They are known to be caused by the buildup of weight inside the Earth's outside and mantle, which is discharged through the vent.
Therefore, Volcanic eruptions can be dangerous or unreserved, depending on the sort of magma included. Dangerous eruptions are more rough and include profoundly thick magma that traps gas bubbles, driving to dangerous discharge of weight.
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9. Briefly describe the process of the dehydration synthesis for carbohydrates illustrated above:
10. Briefly describe the process of the hydrolysis reaction for carbohydrates illustrated above:
Answers
The process of dehydration synthesis can explained as Two monosaccharides are brought close together, allowing them to react. A hydroxyl group (-OH) from one monosaccharide and a hydrogen atom (-H) from the other combine to form a molecule of water (H2O). The resulting bond between the two monosaccharides is called a glycosidic bond. The new molecule is a disaccharide, which can be broken down into its constituent monosaccharides by hydrolysis (the addition of water).
Hydrolysis is a chemical reaction that breaks down a compound by adding water molecules. In the case of carbohydrates, hydrolysis involves the breaking of glycosidic bonds, which are the covalent bonds that link sugar molecules together to form larger carbohydrates.
What was the Dehydration synthesis and hydrolysis reaction for carbohydrates?Dehydration synthesis is the process by which carbohydrates are synthesized from monosaccharide units. During this process, a molecule of water is removed from two monosaccharides, which results in the formation of a covalent bond between them, creating a new, larger molecule. This process requires the input of energy in the form of ATP.
During hydrolysis, a water molecule is added to the glycosidic bond, causing it to break and releasing two smaller carbohydrate molecules. One molecule of the carbohydrate will have an oxygen atom and a hydrogen atom added to it from the water, forming an alcohol group (-OH), while the other carbohydrate molecule will have a hydrogen atom and a hydroxyl group (-OH) added to it, forming a carboxylic acid group (-COOH).
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If thie dna is located in the nucleus of s skin cell the cell
Answers
Answer:DNA replication, transcription, and RNA processing all take place within the nucleus, with only the final stage of gene expression (translation) localized to the cytoplasm.
Explanation:
i hope this is right but if not I’m sorry
Which amino acid does not occur in proteins stucture ?
Answers
Answer:
so I can get on the phone with my mom and I are going to the house and get back to you on that one and the other is a good time to call you today but I will be there at his house and he will be there at his house and he said he
Need help with home work please Question:Write the correct letter to identify the structure being described. Letters may be used more than once.
Answers
Biology > Human Biology > Central nervous system + Peripheral nervous system
In the diagram, we are looking at three distinct structures, the brain (A) and spinal cord (B) that make up the central nervous system, and peripheral nerves (C) that make up the peripheral nervous system and come from the spinal cord.
The peripheral nervous system picks up signals from the environment and sends them to the brain, which processes them. Therefore, the answers would be as follows:
1. C
2. B
3. A
4. C
5. B
6. C
7. A
8. B
9. B
10. A
A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?
Answers
Answer:
monera kingdom
Explanation:
Answer:
The kingdom is Monera Kingdom
Explanation:
Compare the growth of normal cells with and without growth factors.
Answers
Answer:
In contrast to normal cells, cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells, however not all changes cause cancer, they may be a result of it (:
Explanation:
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Conflict resolution
Answers
Which of the following is true
about true-breeding plants if they are allowed to self-pollinate?
A. They never have offspring with the same traits as the parent plant.
B. They have offspring with traits that are identical to the parent plant with one or two differences.
C. They always have offspring with traits identical to the parent plant.
Answers
Answer:
b
Explanation:
some are the same while others are different (traits)
Describe the mechanism of glycolysis in detail
Answers
The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
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General PsychologyTopic 1 – Introduction to Psychology and Role of BiologyMini Brain ProjectDirections: Conduct research on a selected brain area or structure. Areas and structures available for research include: frontal lobe, parietal lobe, temporal lobe, occipital lobe, medulla, pons, cerebellum, reticular formation, thalamus, hypothalamus, limbic system, cerebrum, hippocampus, amygdala, corpus callosum, Broca’s area, OR Wernicke’s area. Conduct research using scholarly Internet sources, library sources, and the textbook. What happens when it is damaged?
Answers
Our brain is who we are. It is the one thing that makes us unique.
When damage occurs to the brain, changes consequently occur to the person. These changes vary considerably and may include alterations to the person’s speech, mobility, memory and even personality. The symptoms displayed as a result of brain injury are dependent on where the brain was damaged and the extent of the damage
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In a condition called SIADH, the kidneys retain (keep in) too much water. This dilutes the blood, causing symptoms such as nausea, vomiting, irritability, and confusion. What hormone might be involved in this condition? Explain.
Answers
Answer:
antidiuretic hormone
What is the term used to describe a metabolic pathway that breaks apart glucose using oxygen to produce lots of ATP, CO2 and H2O?1) glycolysis2) cellular respiration3) fermentation4) Citric Acid Cycle5) Oxidative Phosphorylation
Answers
Solution:
Remember that during cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose.
So that, we can conclude that the correct answer is
CELLULAR RESPIRATION.