20 BRAINIES!! HURRY I HAVE 15 MINUTES!!! We breed some pitbulls, we have a mom who has brown hair and the dad has brown hair. There are 4 puppies in the litter, 3 of them all have brown hair and 1 puppy has black hair. Use the punnett square as evidence to tell me which trait is dominant and which is recessive.
Answers
Answer:
Brown is dominent and black is recessive.
Explanation:
Three of the four puppies have brown hair and only one puppy has black hair.
Answer:
6 pupies
Explanation:
Related Questions
Question 9 of 10
The photo shows nervous tissue.
What is the main function of nervous tissue?
A. To cover the body to protect other cells
B. To transport materials and defend the body
C. To send signals to control the body
D. To contract to cause movement in the body
Answers
Answer:
Explanation:
To send signals to control the body
Nerve cells: Transport signals around body
Tissue: Made of many cells
The main function of nervous tissue is C. To send signals to control the body. Nervous tissue is made up of specialized cells called neurons that are capable of transmitting electrical and chemical signals throughout the body. These signals allow the nervous system to control and coordinate various body functions, including movement, sensation, and thought processes. In addition to neurons, nervous tissue also contains support cells called glial cells that help to protect and nourish the neurons. Overall, nervous tissue plays a critical role in the functioning of the nervous system and the control of bodily functions.
A scientist wants to know if giving caffeine to rats will help their ability to solve a maze. The scientist has 100 rats run the maze without giving them caffeine first. Then the scientist has 100 rats run the maze after they have been given a drink with caffeine.
What is the independent variable in this experiment?
What is the dependent variable in this experiment?
Answers
independent variable: 100 rats (stays the same and is not affected)
which electron microscope technique below is used to image the surfaces of objects ranging in size from a virus to an animals head
Answers
The electron microscope technique used to image the surfaces of objects ranging in size from a virus to an animal's head is scanning electron microscopy (SEM).
Electron microscopy is a technique for imaging specimens utilizing a beam of electrons instead of visible light.
Electron microscopes can achieve much higher magnification and resolution than conventional optical microscopes because they utilize electrons instead of light.
The Scanning electron microscope (SEM) is one of the most commonly utilized types of an electron microscope. SEM is a method of imaging the surfaces of specimens utilizing an electron beam, and it is well-suited for examining a wide range of samples, from single cells ,viruses to an animal's head
It is used to study samples in a variety of scientific fields, including biology, chemistry, and physics, among others.
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PLS HELP Question 1
Staphylococcus aureus is a type of bacterium that can cause infections in humans. These
bacteria can exist for long periods of time in air, dust, water, and food, as well as on
environmental surfaces.
urfaces
Rhinovirus is a type of virus that can cause the common cold in humans. Rhinovirus cannot
survive outside of a human host for more than a few hours.
Which of the following best describes a major difference between bacteria and viruses?
A. Viruses can cause infections in the human body, whereas there are no
types of bacteria that can cause infections.
B.
Bacteria cannot survive without a living host, whereas viruses can often
live and grow outside of the human body.
C. Bacteria can cause infections in the human body, whereas there are no
types of viruses that can cause infections.
D. Viruses cannot survive without a living host, whereas bacteria can often
live and grow outside of the human body.
Answers
Answer:
The correct one is -
D. Viruses cannot survive without a living host, whereas bacteria can often
live and grow outside of the human body.
Any buoyant parcel of air is said to exhibit ________. 9) A) stability B) the moist adiabatic lapse rate C) instability D) the dry adiabatic lapse rate E) advection
Answers
Option A and C is correct. Any buoyant parcel of air is said to exhibit stability or instability based on its temperature and how it interacts with the atmosphere around it.
Instability is the propensity of a parcel of air to continue rising or sinking after being displaced from its initial location, whereas stability is the propensity of a parcel of air to resist vertical motion.
By comparing an air parcel's temperature to that of the surrounding environment, one can evaluate the stability of the air parcel. The air parcel will be more stable if it is cooler than the surrounding environment because it will be denser.
The adiabatic lapse rate is the rate at which a parcel of air cools as it rises. When there is water vapor present, the moist adiabatic lapse rate is used; when the air is dry, the dry adiabatic lapse rate is used.
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Any buoyant parcel of air is said to exhibit either stability or instability. Options A and C both are correct.
Stability refers to the tendency of an air parcel to remain in its original position, while instability refers to the tendency of an air parcel to rise and continue to rise.
Stability occurs when the temperature of the air parcel is cooler than the surrounding air, causing it to sink and resist upward motion.
On the other hand, instability occurs when the temperature of the air parcel is warmer than the surrounding air, causing it to rise and continue to rise, leading to thunderstorms and other weather phenomena.
Therefore, the answer to the question is either A) stability or C) instability, depending on the temperature of the air parcel relative to its surroundings.
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A segment of DNA that codes for RNA, and can vary in length from a few hundred to as many as two million base pairs in length best defines a(n)
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We can confirm that a segment of DNA that codes for RNA and can vary in length from a few hundred to as many as two million base pairs in length best defines a gene.
What is a gene?To expand on the definition given, we can say that a gene is, as mentioned, a series of base pairs known as nucleotides that will code for RNA. The RNA in question is messenger RNA that will later become a protein. Through this process, genes code for every aspect of an organism and will determine its morphology and all other biological aspects.
Therefore, we can confirm that a segment of DNA that codes for RNA and can vary in length from a few hundred to as many as two million base pairs in length best defines a gene.
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what is menstruation
Answers
Answer:
Menstruation is a time in a young-women's life where she starts to bleed from her ding-dong. This happens because when an egg in her uterus is not fertilized by a sperm, the lining of the uterus breaks itself down and passes out through the uterus opening, including the egg.
How many genes make up the human genome?
Answers
Answer:
Hundreds, and Thousands of Genes.
Explanation:
Individuals with high blood pressure are at a higher risk for:OOOOstrokeaneurismheart attackAll of these choices are correct.
Answers
High blood pressure can place increased pressure on the walls of the blood vessels inside the brain, increasing your chances of developing an aneurysm. Also, it forces the heart to work harder to pump blood to the rest of the body. This causes the lower left heart chamber (left ventricle) to thicken. A thickened left ventricle increases the risk of heart attack, heart failure and sudden cardiac death. Moreover, blood vessels damaged by high blood pressure can narrow, rupture or leak. High blood pressure can also cause blood clots to form in the arteries leading to the brain, blocking blood flow and potentially causing a stroke.
So the correct answer is: All of thees choices are correct.
Please help i need the answers asap
Answers
The independent variable is temperature
The dependent variable is height of the plants
Three constant variables are; sunlight, nutrients and humidity
A line graph is more suitable since we have two variables.
What is the variable?We know that the term variable has to do with the kind of value that changes from time to time. In an experiment, there are three main kinds of variables;
1) the independent variable - The value of this would be altered throughout the experiment
2) The dependent variable - The value of this would only be changed when we change the dependent variable
3) The controlled variable - This would remain the same throughout the experiment
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what is the difference between behavior and homeostasis
Answers
Answer:
To maintain homeostasis, organisms must constantly respond to external and internal stimuli. behavior - set of actions taken by an organism in response to a stimulus. Many animals must decide to fight or flee when in danger.
Explanation:
Answer:homeostasis
Explanation:
the homeostasis focuses on the real person and the behavior only focuses on the actions
The blood vessel of the human body that experiences the greatest amount of pressure is the
Answers
The blood vessels in the human body which experience the greatest amount of pressure is the Aorta.
The aorta is a large roadway that carries oxygenated blood from the left ventricle of the heart to the rest of the body. It's the largest roadway in the mortal body, and is responsible for supplying the entire body with oxygenated blood. As blood is pumped from the heart, it's forced through the aorta with great pressure,
Which is why it generally experiences the topmost pressure of any blood vessel in the body. This pressure is necessary to insure that oxygenated blood is supplied to all corridor of the body. The walls of the aorta are thick and strong, allowing them to repel the violent pressure of the blood.
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Lamarck's ideas about evolution include the concept that differences among the traits of
organisms arise as a result of
O continual increases in population size.
the actions of organisms as they use or fail to use body structures.
an unchanging local environment.
the natural variations already present within the population of organisms.
Answers
According to Lamark's theory of evolution, differences among the traits of
organisms arise as a result of the actions of organisms as they use or fail to use body structures.
The theories of evolution try to explain the changes that occur in living things as new species replace existing ones. There have been two main theories that seek to explain the evolution of organisms'
Darwin's theoryLamark's theoryThe theory of Lamark deals with use and disuse of body parts. Body parts that are not used begin to degenerate and only appear as relics in new species. A typical example of this is the appendix in humans. Hence, according to Lamark, differences among the traits of organisms arise as a result of the actions of organisms as they use or fail to use body structures.
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Which of the following statements about change in ecosystems is true?
a. Ecosystems experience change through human activity only
b.
Ecosystems experience change through natural events only
C. Ecosystems experience no change.
d. Ecosystems experience change through human activity and natural events
Please select the best answer from the choices provided
Ο Α
B
С
D
Answers
Please help me I’m begging
Answers
D. The desert wildflowers recieve energy from Sun to make their own food
E. The millipedes return nutrients from decomposing organisms back into the soil.
Which of these ingredients is important in making plastics? carbon dioxide particulate matter natural gas plant liquids volatile organic compounds
Answers
Answer: c : natural gas plant liquids
Explanation: i just passed the assignment
what role do meiosis and mitosis play in maintaining the integrity of the genetic code during cloning? sexual reproduction?
Answers
Meiosis and mitosis help to preserve the version and the chromosome-wide variety, respectively.
There are kinds of mobile departments mitosis and meiosis. most of the time while humans refer to “cellular division,” they imply mitosis, the manner of creating new frame cells. Meiosis is the kind of mobile department that creates egg and sperm cells. Mitosis is an essential technique for existence.
Genetic balance- Mitosis allows the splitting of chromosomes at some point in the mobile department and generates new daughter cells. therefore the shape of the chromosome from the figure chromosomes by copying the precise DNA thus mitosis facilitates preserving and keeping the genetic balance of a specific populace.
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The color variation which enables some organisms to survive because their color keeps them from being easily seen in their environment is called:.
Answers
Please tell me if this helps
Based on observational evidence, variations in the color of flamingos appears to be determined by their diet, and not their genes. Describe the steps of an investigation to provide evidence to support or refute this hypothesis.
Answers
Variations in the color of flamingos appear to be determined by their diet, and not their genes, which may be described in an investigation that provides evidence to support this hypothesis in which we see that color in offspring of flamingos changes in regard to parents while it is associated with food habits.
What is an observational study?An observational study is a type of experimental procedure in which field observations are used to confirm or reject our working hypothesis.
Therefore, with this data, we can see that observational studies are appropriate to confirm data in the field such as the reason for the color of the flamingo in this case.
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What is the thin layer of gray matter that composes the outer layer of the cerebrum
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Orchids are a recently evolved plant that have a novel feature known as aerial roots. What is the most likely function of an orchid's specialized roots? Aerial roots are the site of energy synthesis. Aerial roots allow the orchid to attach itself to trees. Aerial roots produce food for the orchid through photosynthesis. Aerial roots anchor the orchid to the ground.
Answers
Answer:
Aerial roots allow the orchid to attach itself to trees
Explanation:
Orchids are a group of plants that are mostly epiphytic in nature i.e. depends on other plants for physical supports. According to this question, orchids have evolved to develop a novel feature called AERIAL ROOTS.
This specialized kind of roots serves different functions in the orchid plants but however, the most likely is for PHYSICAL SUPPORT. The orchids use their developed aerial roots to climb and attach itself to their tree host in order for them to reach sunlight.
Answer:
the answer is B- Aerial roots allow the orchid to attach itself to trees.
Explanation:
a strand of RNA reads BCAUUGCAAGUC.what is the sequence of amino acids coded for by this strand
Answers
Answer:
A L Q V/H C K / I A S / D L Q C/T C N/L A M
Explanation:
QUESTION 1 Exercise 11.10. Butterflies. Alice, Bob, and Charlotte are looking for butterflies. They look in three separate parts of a field, so that their probabilities of success do not affect each other. • Alice finds 1 butterfly with probability 17%, and otherwise does not find one • Bob finds 1 butterfly with probability 25%, and otherwise does not find one • Charlotte finds 1 butterfly with probability 45%, and otherwise does not find one Let X be the number of butterflies that they find altogether. Write X as the sum of three indicator random variables, X1, X2, X3 that indicate whether Alice, Bob, Charlotte (respectively) found a butterfly. Then X= X1+X2 +X3. Find the expected value of X by finding the expected value of the sum of the indicator random variables. Your answer will have two decimal places. **This is a straight forward expected value of a sum of random variables, nothing fancy here! QUESTION 2 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? O A. Example 11.10, sampling without replacement O B. Example 11.11, sampling with replacement QUESTION 3 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The first step is to find the expected value of getting the first head. What is the expected value of getting the first head? This will be an integer answer. QUESTION 4 Exercise 11.16. Flipping coins. Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X). The next step is to find the expected value of getting the second head. Because this is identical to finding the expected number of rolls for the first head (independent events), we just multiply the first head's expected value by 2. This will be an integer answer. QUESTION 5 Exercise 11.17 (a). Waiting for favorite song. Michael puts his iTunes on shuffle mode where songs are not allowed to be replayed. He has 2,781 songs saved on iTunes, and exactly one of these is his favorite. How many songs is he expected to have to listen to until his very favorite song comes up? Is this like Example 11.10, sampling without replacement, OR like Example 11.11, sampling with replacement? A. Example 11.11, sampling with replacement B. Example 11.10, sampling without replacement
Answers
In Exercise 11.10, the expected value of the number of butterflies found by Alice, Bob, and Charlotte is obtained by finding the expected value of the sum of three indicator random variables.
In Exercise 11.16, the expected value of the number of flips needed to get the second head in a coin flipping experiment is determined. These exercises involve different scenarios of sampling with and without replacement.
In Exercise 11.10, the expected value of X, the total number of butterflies found, is found by calculating the expected value of each indicator random variable (X1, X2, X3) representing whether Alice, Bob, and Charlotte found a butterfly, respectively.
The expected value of each indicator variable can be obtained by multiplying the probability of success (finding a butterfly) by 1 and the probability of failure (not finding a butterfly) by 0. Then, the expected value of X is calculated as the sum of the expected values of the indicator variables.
In Exercise 11.16, the expected value of X, the number of flips needed to get the second head, is determined. To find this value, we first need to find the expected value of getting the first head. This scenario is similar to Example 11.11, which involves sampling with replacement.
Each coin flip is an independent event, and the probability of getting a head is constant at 0.5.
Therefore, the expected value of getting the first head is 1/p, where p is the probability of success (0.5 in this case).
In Exercise 11.17 (a), the scenario of waiting for a favorite song in Michael's iTunes playlist involves sampling without replacement. Each song played is not replayed, and there is only one favorite song among the total number of songs.
Therefore, this scenario is similar to Example 11.10, sampling without replacement.
To find the expected number of songs Michael needs to listen to until his favorite song comes up, the formula for sampling without replacement is used, which is the reciprocal of the probability of selecting the favorite song at each step.
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Taxes are responses of unicellular organisms
that involve movement.
True or false
Answers
Answer:
(a) True. Organism made up of one cell is called unicellular or unicellular organism.
(b) False. Muscle tissue is of three types- Striated muscle, Cardiac muscle, Smooth muscle. Muscle cells usually unbranched cells.
(c) False. Cell is the basic, structural and fundamental unit of life.
(d) True. Amoeba has no definite shape.
Question 6 of 25
Which correlation coefficient indicates a strong positive correlation?
A. r = -0.1
B. r= +0.9
C. r=-0.09
D. r = +0.5
Answers
The correlation coefficient (r) indicates a strong positive correlation with r = 0.9. The stronger the bond, the closer the relationship. Option B is true. As it is nearly 1 so it is the correct.
What is the Hamilton Rule?Hamilton established the rule governing the costs and benefits of altruistic behavior in organisms. Here in rB>C, the r is relatedness between the beneficiary and the cost to the donor. The stronger their bond, the more likely it is that one will make a sacrifice for the other. In the parent-offspring case, the relatedness is 0.5 because half of the genetic content comes from each parent to the offspring. The greater the genetic distance between two people, the lower the r value and the lower the likelihood of altruism.
Hence, option B is correct as here r is 0.9, which is the highest among all four options.
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1. The seed coat or shell of the seed protects the seedling from the outside world. What is this similar to in a plant cell?
2. What type of system is our seedling in? How does it function?
Answers
Answer:
1. Cell wall
I'm not sure what system the seedling is in though
The selection of antibiotic resistant bacteria is an example of:.
Answers
The selection of antibiotic resistant bacteria is an example of natural selection.
What is natural selection?Natural selection is the process whereby organisms that are better suited or adapted to their environment have more chance of survival.
Antibiotic resistance is a phenomenon of certain bacteria that gives them an edge over their susceptible counterparts.
Antibiotic resistance is caused by evolution through the process of natural selection.
Therefore, the selection of antibiotic resistant bacteria is an example of natural selection.
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how does carbon affect your life?
Answers
In what respect do hominins differ from all other anthropoids?
lack of a tail
bipedal posture
eyes located on the front of the face
opposable thumbs
Answers
Hominin differ from all the other arthropods in the presence of bipedal posture. Thus, the correct option is B.
What are Hominins?Hominin is the group which consists of the modern humans, extinct human species and all our immediate ancestors including the members of the genera Homo, Australopithecus, Paranthropus and Ardipithecus.
Hominins differ from that of all the other arthropods in the presence of the bipedal posture. Bipedal posture is a mode of locomotion which is found in many of the primates and birds, in which only the hind limbs are used for the purpose of walking.
Therefore, the correct option is B.
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Use the diagrams on the Website to answer this question. Two people are carriers of CF. If they conceive a child
what is the percentage chance that the child will have CF?
Select one:
a. 3 in 4 (75%)
b. 2 in 4 (50%)
c. 1 in 4 (25%)
d. 0%
Answers
Answer:
the answer is d I think but I'm not sure
Explanation: