Answer:
False. The purpose of the Darwin Finch lab was to establish that the relationship between food sources and beak shape was food availability.
Explanation:
Finches speciation was due to geographical isolation on islands and the differences in their picks were an evolutive adaptation that reflected feeding habits. Their speciation depended on or was the result of their adaptation to the island and its characteristics. The finches´ beaks evolved according to food availability. Large beaks are better for islands with larger seeds, while pointed beaks are better for getting insects out of trees.
Some theories are developed from repeated testing of a single hypothesis. Cell theory, germ theory, and the theory of evolution all have developed from the testing of multiple related hypotheses. Which statement best explains why some theories develop this way?
-A hypothesis tests many variables at once, which can lead to new hypotheses.
-Multiple related hypotheses will become theories before a single hypothesis does.
-Each scientist has used different wording when developing his or her hypothesis.
-Each experiment reveals a different piece of information that is needed to develop the theory.
Answer:
Each experiment reveals a different piece of information that is needed to develop the theory.
Explanation:
someone told me
Answer:
is d
Explanation:
cuz i did the test
In order for nutrients to enter the cell, those nutrients must pass through what cell structure?
O the nucleus
O the mitochondria
O the cell membrane
O ribosomes
Answer:
The cell membrane
Explanation:
This is the phospholipid bilayer that everything that wants to come into the cell has to move throught. It is also selectively permeable.
Muscle cells can stretch and contract. This is their specific cellular function.
What type of molecule in muscle cells allow them to carry out this function?
Titin molecules allows muscle cells to stretch and contract.
HELP ASAP PLS IM GETTING TIMED
Cystitis is an inflammation of the bladder usually caused by an ascending organism introduced through the:
On a warm summer day, a deer is searching for something to drink. The deer is most likely responding to which kind of stimulus? the external stimulus of heat the internal stimulus of heat the internal stimulus of thirst the external stimulus of thirst
your Answer is: the external stimulus of thirst
Explanation:
A stimulus is an external agent which is likely to develop a response in an organism. According to the given situation, the external heat generated due to the warm summer day will likely to produce thirst response in deer because of the evaporation of body water by the surrounding heat. you can brainly me if you want.
Deer is most likely responding to internal stimulus of thirst.
Thirst is a component of the regulatory mechanism that maintain body fluid homeostasis and ultimately is essential for survival.What is a Internal stimulus?It is based upon something that someone feel such as hunger, thirst, love or painIt comes from within the person.What is stimulus?A thing or event that evokes a specific functional reaction in a organ or tissue.
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Which could be a pathway of food through an ecosystem?
Answer:
autotroph - heterotroph – heterotroph
Explanation:
Just makes the most sense :P
What do you expect the DNA sequences of the three frogs to look like?
Answer:
Explanation:
If the unfertilized egg of a bird contains 18 chromosomes, how many chromosomes would be found in the same bird's muscle cell?
Answer:
36
Explanation:
you times the amount chromosomes by 2
pls i’m getting timed :(
Answer:
i think conversion of mass
Explanation:
discuss the advantage of genetic engineering and biotechnology
Answer:
List of the Advantages of Genetic Engineering 1. Genetic engineering allows us to achieve a faster growth rate. Plants and animals that receive genetic engineering through biotechnology can mature with greater speed than they would if the process proceeded naturally.
Please give branliest! And have a great day! :)
HELP PLEASE ILL GIVE 50 POINTS!!!
I don't know how to conclude my lab report on exploring cells.
Answer:
Explanation: This concludes that cells are (whatever you were trying to prove)
What physical changes can occur as you get older?
SELECT AN ANSWER
Your arms and legs get longer.
The chemical composition of your cells change.
Your body shape can transform based on genetics (traits you inherit from your parents) or lifestyle choices (exercise, diet, etc).
You grow taller.
Answer:
c. your body shape can transform based on genetics, etc
Explanation:
is it like one answer tho cuz it could be all of them, if its select any then its all i think
What holds our solar system together?
A. Electric currents in the Sun's magnetic field
B. The small objects in the Kuiper Belt that did not combine to form planets
C. Earth's gravity
D. The Sun's gravity
Answer:
d suns gravity
Explanation:
Answer:
D
Explanation:
Without the sun's gravity everything would move around.
You are conducting a twin study to estimate the heritability of a particular trait and have found that monozygotic twins have a concordance of 75%. Using ONLY this information, does this trait show high, low, or unknown heritability? Write no more than two sentences to justify your conclusion, and/or specify how to use additional information to determine heritability. ITRE
Answer:
The correct answer is "high heritability".
Explanation:
Concordance, is a term used in genetics to describe the probability that one of the twins have certain trait if his brother certainly has it. A high percentage of concordance, such as 75%, is translated into high heritability since monozygotic twins have identical genomic sequences. Additional information to determine heritability will be to study the exposure to similar environmental conditions, since environment can also affect the presence of certain traits.
which action destroys topsoil? mowing land adding nutrients to soil plowing land without replanting sowing seeds in land
Answer:
C).plowing land without replanting
Explanation:
When plowing is carried out without replanting, the topsoil is destroyed.
Top soil refers to the outermost part of the earth's crust upon which plants grow. All planting activities occur on the topsoil. The structure of the topsoil is very important in its support of plant growth.
Plowing is one of the important planting activities. However, If plowing is carried out without subsequent replanting, the topsoil is destroyed.
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Which of the following would lower the levelized cost of energy for a project
Answer: LCOE, or levelized cost of energy is a term which describes the cost of the power produced by solar over a period of time, typically the warranted life of the system. By purchasing solar you are essentially creating a hedge against rising utility costs by fixing the per kWh rate at a known cost. The levelized avoided cost of electricity (LACE) represents that power plant's value to the grid. A generator's avoided cost reflects the costs that would be incurred to provide the electricity displaced by a new generation project as an estimate of the revenue available to the plant.
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Which of the following statements about radioactive decay is true? (1 point)
ORadioactive decay is the rate at which new atoms form.
O During radioactive decay, atoms break down, releasing particles or energy.
OThe rate of decay of a radioactive element cannot be approximated.
OThe number of radioactive atoms in a sample will always remain constant.
Answer:
B) During radioactive decay, atoms break down, releasing particles or energy.
what are the normal breath sounds?
Answer:release and relex
Explanation:
Answer:
Using a stethoscope, the doctor may hear normal breathing sounds, decreased or absent breath sounds, and abnormal breath sounds.
Absent or decreased sounds can mean:
Air or fluid in or around the lungs (such as pneumonia, heart failure, and pleural effusion)Increased thickness of the chest wallOver-inflation of a part of the lungs (emphysema can cause this)Reduced airflow to part of the lungsTo balance a chemical equation, you may adjust the
a.coefficients.
b.subscripts.
c.formulas of the product.
d. either of coefficients or subscripts.
Answer:
a.coefficients
This is the answer
Which of the following aspects of the environmental movement addresses the public’s right to intervene in environmentally damaging activities on private land? a. environmental justice b. environmental sociology c. environmental law d. environmental activism
Answer:
A- Environmental law is the correct answer
Explanation:
Are cells and DNA the same thing?
Answer:
no
Explanation:
you have DNA in your cells its all one thing together but not the same i believe
A student conducts an experiment with a dog and a statue of a dog. The student provides a slice of bread to both the subjects every two hours. Only the dog eats the bread.
Which characteristic of life is best demonstrated by this experiment?
Answer:
ability to obtain nutrients
ability to grow
ability to respond to the environment
ability to reproduceExplanation:
How has cell technology most likely benefited the commercial flower industry?
- Growers can quickly grow disease-resistant plants from tissue cultures.
-Growers can study plant growth patterns under many different conditions.
-Growers can grow seedlings without using expensive fertilizers.
-Growers can create new flower colors without using cross-pollination.
Answer:
The answer is: Growers can quickly grow disease-resistant plants from tissue cultures.
Explanation:
Took the test.
The most likely benefit of cell technology to the commercial flower industry is that the growers can quickly grow disease-resistant plants from tissue cultures. Thus, the correct option is A.
What is Cell technology?Cell technology include all the major steps such as the production, reprogramming or genetic editing of cells for the development of cell therapies or for the therapeutics which are produced by cells.
Cell technology has been found to be helpful in the development of new varieties of crops, commercial flower industry, medicinal industry for the production of cell therapies and therapeutics as well. Cell technology has been helpful for the production of disease-resistant varieties of crops.
Therefore, the correct option is A.
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Select the four types of rodents. mushroom mouse lichen vole rat tick shrew beetle
Answer:
vole rat shrew mouse
Explanation:
they are all types of mice
Do you think taking multivitamin-mineral supplement is a good substitution for eating a wide variety of whole grains, fruits, and vegetables? Who should take multivitamin-mineral supplement? Explain why current regulations governing the sale of dietary supplements in this country make their use a bit risky.
Multivitamin-mineral supplements should not be used as a substitute for eating fruits and vegetables because the natural form of the vitamins are better absorbed by the body.
What are multivitamin-mineral supplements?Multivitamin-mineral supplements are substances which are taken to supplement the mineral requirements of the body.
Because, multivitamin-mineral supplements are artificially made, the change the form of the minerals, hence they are less effective to supplying nutrients than by eating a wide variety of whole grains, fruits, and vegetables.
People who are not able to have access to fruits and vegetables should take multivitamin-mineral supplements.
Since the regulations are not very good in combating disinformation, it is risk to use them as they may not really provide the intended benefits.
Therefore, multivitamin-mineral supplements should not be used as a substitute for eating fruits and vegetables.
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PLS HELP I WILL GIVE YOU BRAINLIEST AND PLS EXPLAIN YOUR ANSWER!!!
In a population of 100 four o’clock plants, there are 50 red-flowered plants with genotype CRCR, 30 pink-flowered plants with genotype CRCW, and 20 white-flowered plants with genotype CWCW. Match the correct frequencies for the following alleles and genotypes.a. CRCR (Click to select) 0.3 0.65 0.35 0.2 0.4 0.25 0.5 b. CRCW (Click to select) 0.2 0.25 0.5 0.65 0.3 0.4 0.35 c. CWCW (Click to select) 0.5 0.3 0.2 0.25 0.35 0.4 0.65 d. CR (Click to select) 0.65 0.2 0.5 0.4 0.3 0.25 0.35 e. CW (Click to select) 0.65 0.3 0.35 0.4 0.5 0.25 0.2
Answer:
a- CRCR frequency = 0.5
b- CRCW frequency = 0.3
c- CWCW frequency = 0.2
d- CR frequency = 0.65
e- CW frequency = 0.35
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Alleles are the variant form of the gene, which is present on the same locus of the chromosomes. The alleles code for different traits.
The frequencies of the four o'clock plant is:
a) CRCR frequency = 0.5
b) CRCW frequency = 0.3
c) CWCW frequency = 0.2
d) CR frequency = 0.65
e) CW frequency = 0.35
Given that:
Total number of individuals = 100
Number of red-flowered plants = 50 (CRCR)
Number of pink-flowered plants = 30 (CRCW)
Number of white-flowered plants = 20 (CWCW)
Now, to calculate the frequency , let us divide the genotypic frequency with the total number of individuals:
Frequency of CRCR = [tex]\dfrac {50}{100}[/tex] = 0.5
Frequency of CRCW = [tex]\dfrac {30}{100}[/tex] = 0.3
Frequency of CWCW = [tex]\dfrac {20}{100}[/tex] = 0.2
Now, the number of alleleic frequncy in a population, the sum of genotypic purebred frequency tothe half of heterozygous frequency, such that:
f (CR) = F (CRCR) + [tex]\dfrac{1}{2}[/tex] F (CRCW) = 0.5 + 0.3 x [tex]\dfrac{1}{2}[/tex] = 0.65
f (CW) = F (CWCW) + [tex]\dfrac{1}{2}[/tex] F (CRCW) = 0.2 + 0.3 x [tex]\dfrac{1}{2}[/tex] = 0.35
Thus, the allelic frequency for red and white are 0.65 and 0.35, respectively.
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The pertussis toxin was found to interfere with the ligand-binding site in G-protein coupled receptors. At which point in the cell signaling pathway would this toxin interrupt normal cell signaling?
a. cellular response
b. second messenger action
c. signal amplification
d. signal detection
Answer: c. signal amplification
Explanation:
The uncoupling of the G-protein and inhibiting of the signal amplification are the two affects of the pertusis toxin. It is released by the bacteria called Bordetella pertusis. The G-proteins are affected by the action of pertusis toxin. The production to the excess level of cAMP due to the conversion of ATP into cAMP the ribosylation of the ADP molecules occurs due to pertusis toxin. This leads to the damage of G-proteins.
What is the relationship between light intensity and gas production?
Answer:
As light intensity increases (distance between lamp and plant decreases) the volume of oxygen (or the rate of bubble production) increases. This indicates that the rate of photosynthesis increases with light intensity. However, at sufficiently high levels of light intensity, the rate oxygen evolution remains constant.