Which of the following best expresses the concept of natural selection
Answer:
style neutrons
Explanation:
What is the action of the highlighted muscle?
Option A is Correct. A synergist is a muscle that supports the muscle that performs the majority of an action.
Muscles that support or are in charge of supporting a similar group of joints during movement are known as synergist muscles. They play the agonist rather often. This muscle helps to create motion or movement close to a moveable joint.
For instance, the synergist muscle biceps brachii supports forearm flexion actions. At the muscle's origin, a fixator may also function as a synergist.
A tiny muscle called the teres major (TM) runs along the lateral aspect of the scapula. One of the seven scapulohumeral muscles, it aids in shoulder movement by acting on the glenohumeral joint. It's sometimes called "lat's little helper" because of its synergistic action with the latissimus dorsi.
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What is the action of Highlighted muscles?
a. synergist
b. originator
c. agonist
d. levator
e. antagonist
For 100 Points!
Which of the following factors are responsible for the annual rise and fall in carbon dioxide levels? (Several choices may be correct.)
A) fallen leaves decaying in autumn
B) consumption of more fossil fuels in the winter
C) plant growth in the spring
D) increase in surface temperature of the earth during summer
PS: I've tried A & D and B & D (they were both wrong)
I believe the answer is
A & C.
Following factors are responsible:-
Fallen leaves decaying in autumn.Plant growth in the springWhat is the reason for carbon dioxide rise in environment?Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy. Fossil fuels like coal and oil contain carbon that plants pulled out of the atmosphere through photosynthesis over many millions of years.What are the consequences of rise in carbon dioxide?Transpiration is affected by the degree of ground cover.Rising carbon dioxide concentrations will increase plant growth. More rapid leaf area development and more total leaf area could translate into more transpiration.Rising carbon dioxide concentrations will decrease leaf stomata. conductance to water vapor. This effect could reduce transpiration.Rising carbon dioxide concentrations and rising global temperatures.To know more about transpiration here
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0:00 / 0:08D:Which of the following takes in oxygen and releases carbon?O GiraffePalm treeFossilSunflowerPrevious
Giraffe.
The other organisms mentioned either do photosynthesis or don`t apply to the statement. Giraffes are the only option able to take in oxygen and release carbon through the respiratory process.
Where is DNA found inside the cell?
what is the correct way to write the scientific name of the mustard ? pls help me to solve this problems.
Answer:
Sinapis alba. (Yellow mustard)
The scientific name of yellow mustard is Sinapsis alba and that of Indian mustard is Brassica juncea.
What is the scientific name?The scientific name is the name that is accepted internationally as the name of the organism.
What is the need of a scientific name?An organism in different part of the world is known by different names therefore it creates a confusion.Hence a common name is accepted universally as the scientific name of that organism.What is binomial nomenclature?It is a system of naming species by giving them two parts.One is known as the generic name and the other is known as the species name.What are the rules to write a scientific name?The generic name should begin with the capital letter while the species name begins with the small letter.The names are always written in italics.The species name is never capitalized.To learn more about scientific name, generic name and species name here,
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Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
The cells of your body need energy to carry out life functions.
Which of the following body responses is a sign that your cells need
MORE energy?
A. your breathing rate increases.
B. you begin to shiver.
C. you feel hot.
Answer:
A. Your breathing rate increases.
Explanation:
All you need to do is to eliminate the last two answers. B. If you have a fever and you start to shiver but you are hot it is because it is an internal response to restore homeostasis. It can also just be a response to when you are cold.
C. If you feel hot you are going to start sweating eventually which just means your body is trying to cool you down.
If your heart rate increases it means that you are either doing physical activity or you are using an external source to get your heart rate up. Your heart starts beating faster so it can pump more blood to the parts of your body that need it. The blood then brings with it oxygen, energy, and protein to fuel you, but you can help by eating something sustainable and/or drink water.
Please Help Me ASAP.
Answer:
my take on this is B, i would wait for others tho
Explanation:
7. If any type of rock experiences intense heat and cools it changes into?
Answer:
Metamorphic rock occurs when you take any other type of rock and put them under and , and they twist and meld together. ... If any type of rock experiences intense heat and cools it changes into rock.
Explanation:
Answer: Granite is an igneous rock that forms when magma cools relatively slowly underground. It is usually composed primarily of the minerals quartz, feldspar, and mica. When granite is subjected to intense heat and pressure, it changes into a metamorphic rock called gneiss. Slate is another common metamorphic rock that forms from shale.
Explanation: This is correct
Why does anaerobic respiration occur during vigorous exercise?
Answer:
Because the body supply of oxygen is less than the body requirement of oxygen for aerobic respiration.
During a strenous activity,the supply of oxygen do not reach body requirement for aerobic respiration to occur, that is why ,therefore fermentation anaerobic respiration occurs and the end product is lactic acid which then accumulates in the muscles.
Answer:
This is because,during vigorous excercise,oxygen supply is smaller than body requirement of oxygen and therefore anaerobic respiration occur .
Since anaerobic respiration occurs in the absence of oxygen.
Drag the tiles to the correct boxes to complete the pairs.
Match the trait or skill to its description.
ethics
creativity
adaptability
interpersonal skills
using your imagination
arrowRight
adjusting to different environments
arrowRight
respecting others
arrowRight
following a code of conduct
Answer:
adaptability: Adjusting to different environments
creativity: using your imagination
ethics: respecting others
Interpersonal skills: following a code of conduct
Explanation:
Hope this helps :)
Answer:
using your imagination-- creativity
adjusting to different environments-- adaptability
respecting others-- interpersonal skills
following a code of conduct-- ethics
Explanation:
took the test
if you were to present a bar stimulus to the visual field of an animal while recording activity from a column of neurons starting in the most superficial layer of the visual cortex all the way to the deepest layer, you would find
Neurons in the most superficial layer of the visual cortex respond selectively to the orientation of a bar stimulus, while neurons in deeper layers exhibit less orientation selectivity and more complex receptive field properties.
The visual cortex processes information in a hierarchical manner, with simple features such as orientation being processed in the superficial layers and more complex features being processed in deeper layers. Neurons in the most superficial layers (layer 2/3) respond selectively to the orientation of a bar stimulus, meaning they fire more strongly for bars with a particular orientation.
In contrast, neurons in deeper layers (layer 4 and below) exhibit less orientation selectivity and instead respond to specific combinations of orientation and spatial frequency.
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Identify the stage of cellular respiration in which each of the following takes place. Produces 32 ATP molecules Creates four ATP molecules, but then gains overall only two Gives off carbon dioxide Gives off water Produces two ATP molecules
Answer:
1.)Electron Transport chain
2.)Glycolysis
3.)Citric acid cycle
4.)Electron transport chain
5.) Citric acid cycle
Explanation:
Sorry if I answered late I was looking for the answer of this question too.
Activities
Produces 32 ATP molecules ------> Electron Transport chainCreates four ATP molecules but gains overall only two ----> GlycolysisGives off carbon dioxide ----- > citric acid cycle Gives off water --------- > Electron transport chainProduces two ATP molecules ----- > citric acid cycleThe electron transport chain is a series of electron transporters that are embedded in the mitochondrial membrane which transports electrons from NADH to the oxygen ( molecular ).
Glycolysis is a cytoplasmic process whereby glucose is broken down into a pair(2) of three-carbon compounds and energy is also generated in the process. and the final product of glycolysis is pyruvate in an aerobic respiration.
Hence we can conclude that the stages in which each activity listed is occurs is as listed above.
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PPE works by creating a barrier between the healthcare worker and the ___c___.
A. Infectious material
B. Sample
C. PPE
D. Sharps container
Describe Franklin’s research during World War I that earned her a doctorate in physical chemistry
Answer:
Rosalind Franklin earned a Ph. D. in physical chemistry from Cambridge University. She learned crystallography and X-ray diffraction, techniques that she applied to DNA fibers.
When Franklin started working for the British Coal Utilization Research Association in 1942, World War I was already in full swing. Franklin rode her bike every day. She researched the physical properties of coal and carbon in order to find a more efficient way for England to use these resources.
Who is Franklin?Rosalind Elsie Franklin was birthed on July 25, 1920, in London, England. She was raised in a well-educated and socially conscious Jewish family. Her father was a banker, and her mother was a community volunteer.
World War I was already in full swing when Franklin began working for the British Coal Utilization Research Association in 1942.
Every day, Franklin rode her bike to work, even during air raids. She studied the physical properties of coal and carbon in order to improve England's use of these resources.
Thus, in this way, Franklin’s research during World War I that earned her a doctorate in physical chemistry.
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Line graphs that indicate time along the x-axis can be used to predict what would happen to dependent variables in an experiment at a later point in time O only if the existing line shows an upward trend. only if the existing line shows a downward trend. if a new variable was introduced to the experiment. if the experiment continued under the same conditions.
Answer: the answer is D
Explanation:
if the experiment continued under the same conditions
A red flower and a white flower can be expressed on a plant, depending on genetics. Which outcome would indicate codominance as the inheritance pattern for flower color in this species?
A All offspring of a red X white cross would be pink.
B All offspring of a red X white cross would be spotted with red and white both being expressed.
C All offspring are white.
D All offspring are red.
A cross between a red and a white animal would result in all of its offspring having both red and white spots.
Codominant inheritance occurs whenever a heterozygote produces both copies of a gene pair. Thus, the phenotype of the offspring combines this same phenotypes of the its parents.
The characteristic is therefore neither recessive nor dominant. Those with type AB blood serve as an example of the codominance of people. A individual who inherits both IA and IB will have form AB blood because they are codominant and would be expressed together as a result.
The crimson flower to white spots on it and the creatures with black and white jackets are two much farther examples of codominance.
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Which of the following is not characteristic of annelids?
A. true coelom
B. segments
C. closed circulatory system
D. asexual reproduction
The characteristic that is not typical of annelids is D. asexual reproduction. Annelids are a phylum of segmented worms, and they possess certain distinct features:
A. True coelom: Annelids have a true coelom, which is a fluid-filled body cavity surrounded by mesodermal tissue. The coelom provides space for organs and allows for better movement and flexibility.
B. Segments: Annelids exhibit segmentation, with their bodies divided into repeated segments. This segmentation is evident externally and internally and allows for specialization and flexibility in movement.
C. Closed circulatory system: Annelids have a closed circulatory system, meaning that blood is contained within vessels and pumped by a muscular heart. This system facilitates efficient transport of oxygen, nutrients, and waste products throughout the body.
D. Asexual reproduction: Annelids primarily reproduce sexually through the exchange of gametes between individuals. While some annelids may have the ability to regenerate or reproduce asexually under certain circumstances, asexual reproduction is not a typical characteristic of the phylum. In summary, while annelids possess a true coelom, segmented bodies, and a closed circulatory system, asexual reproduction is not a common feature among them.
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Describe Patterns Explain in your own words how sharks have changed throughout
their evolutionary history and suggest some reasons why these changes may have
occurred. Think about the shark species you saw in this lab and how they differ and how
they are the same.
Answer:
HOPE IT HELPS
Explanation:
Sharks have been around for over 400 million years, and throughout their evolutionary history, they have undergone a variety of changes. Some of these changes include the development of more streamlined bodies, the evolution of different teeth shapes and sizes, and the development of more efficient swimming techniques. These changes may have occurred due to a variety of factors, such as changes in the environment, changes in food sources, and competition with other species.
For example, the shark species I saw in this lab, the Great White Shark, has a unique set of adaptations that allow it to be an efficient predator. Its streamlined body and powerful tail allow it to swim quickly and efficiently through the water, while its sharp teeth and keen senses help it to locate and capture prey. Other shark species, such as the Hammerhead Shark, have evolved unique head shapes that help them to detect and capture prey in different ways. These adaptations may have evolved due to differences in food sources or competition with other species. Overall, the evolutionary history of sharks is complex and fascinating, and studying these patterns can help us to better understand how species adapt and evolve over time.
Sharks have undergone significant changes throughout their evolutionary history. Over millions of years, they have adapted and diversified to occupy various ecological niches in the marine environment. These changes can be observed in their anatomical features, reproductive strategies, and feeding habits.
One reason for the changes in sharks' evolutionary history is the need to exploit different food sources and habitats. Sharks have evolved different teeth shapes and jaw structures to suit their preferred prey, ranging from small fish to large marine mammals.
Additionally, changes in body shape and fin structure have enabled them to be efficient swimmers in different environments, such as open ocean or shallow coastal waters.
Another reason for evolutionary changes in sharks is competition and predation pressure. As new species emerge and ecosystems evolve, sharks have had to adapt to survive and thrive in changing conditions. Natural selection favors individuals with advantageous traits, leading to the emergence of new species and the extinction of less adapted ones.
In the lab, different shark species may exhibit variations in size, coloration, fin shape, and behavior. These differences reflect their evolutionary adaptations to specific environments and ecological roles.
Despite these variations, all shark species share common ancestry and basic characteristics such as cartilaginous skeletons, powerful jaws, and an efficient swimming ability, which have been refined over millions of years of evolution.
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In a food chain or web, is organism would be classified as a(n)
Answer:
producer
Explanation:
One of the challenges facing the world today is supplying enough food for the human population. Farming with genetically modified plants is a possible solution to this challenge. What is a concern with using GM plants?
A. Farming with GM plants that are resistant to chemical herbicides may lead to overuse of weed-killing compounds.
B. Farming with GM plants requires less land and energy, which may lead to lower food costs and an economic crisis for farmers.
C. GM plants require more insecticide use, which may increase the chance of chemical residues in the food supply.
D. Scientific studies on GM plants are not available so the effects of GM plants are unknown.
Answer:
Option A
Farming with GM plants that are resistant to chemical herbicides may lead to overuse of weed-killing compounds.
It is very difficult to add or remove electrons from an atom that has eight electrons in its outer shell.
True
False
Explanation:
Electrons are typically removed from the valence shells, which are the highest s and p orbitals. Also, Hund's rule still applies here, but backwards. Electrons will be removed from their orbitals until all of them are unpaired, and then the unpaired ones will be removed.
May be true because velence shell is the outermost shell which can be removed.
What is responsible for movement within a cell
Answer:
Explanation:
In addition to playing this structural role, the cytoskeleton is responsible for cell movements. These include not only the movements of entire cells, but also the internal transport of organelles and other structures (such as mitotic chromosomes) through the cytoplasm
State one substance that leaves the blood as it flows through the tissues of the small intestine.
Answer:
Superior mesenteric artery.
The primary source of energy for the body is a form of sugar called glucose. It travels to cells all throughout the body after being absorbed into circulation from the small intestine.
Other chemicals that enter the circulation through the small intestine include the following:
Proteins' building components are amino acids.
The lipids' building components are fatty acids.
minerals and vitamins
Water
In an adult, the small intestine is a muscular tube that is roughly 20 feet long. It is situated in the belly, above the large intestine, and below the stomach. The bulk of digestion and nutritional absorption from meals occurs in the small intestine.
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the scottish fold is a breed of cat with a mutation in a gene involved in cartilage development. the result is that each ear of the cat has a crease, so the ears fall forward and lie against the head instead of standing up like the ears of most small cats. the mutation is a dominant allele.
a cat that is heterozygous for the fold allele mates with a cat that is homozygous for the fold allele.
what are the expected percents of offspring that will have each characteristic?
In complete dominance, the presence of at least one dominant allele in the genotype is enougth to express the dominant phenotype. 100% of the offspring will have mutated creased ear, while 0% of the will have normal standing ear.
What is complete dominance?
Complete dominance is the inheritance pattern in which the dominant allele completely masks the recessive allele.
This interaction between alleles is observed in individuals who are heterozygous for a particular gene. They carry both alleles but only express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
In the exposed example,
E is the dominant allele and codes for the mutated creased ear,e is the recessive allele and codes for the normal standing ear.Cross: a cat that is heterozygous with a cat that is homozygous for the fold allele.
Parentals) Ee x EE
Gametes) E e E E
Punnett square) E e
E EE Ee
E EE Ee
F1) 50% of the progeny is expected to be heterozygous
50% of the progeny is expected to be homozygous dominant
100% of the progeny is expected to have ears with a crease.
The expected percents of offspring that will have each characteristic are,
100% of the animals will have mutated creased ear,0% of the animals will have normal standing ear.You can learn more about complete dominance at
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Explain why the Sun's energy is considered a natural resource. Also explain if it is renewable or nonrenewable.
Explanation:
It's considered a natural resource because it is energy that is not man made.
It's a renewable energy because it naturally gets replaced.
Which of the following would best mitigate the environmental impact of a
highway that crosses a stream?
A. Fish ladder
B. Culvert
C. Dam
D. Sinkhole
Answer:
Culvert
Explanation:
Just took it
Answer:
Its B.
Explanation:
Just took the test
What a catutus plant adapted to?
Answer:
heat of the Sahara desert
Explanation:
The___ releases enzymes that digest proteins.
A. pancreas
B. liver
C. gallbladder
Answer:
A. Pancreas
Explanation:
Answer:
Pancreas
Explanation:
The pancreas contains exocrine glands that produce enzymes important to digestion. These enzymes include trypsin and chymotrypsin to digest proteins; amylase for the digestion of carbohydrates; and lipase to break down fats.