To create a dichotomous key for lizards, it is important to begin with a visible characteristic that easily divides the specimens into two groups, like the presence or absence of a tail, scales, or limb structure. Each step of the key should offer two clear, mutually exclusive options leading to an accurate identification.
Explanation:Creating a Dichotomous KeyWhen creating a dichotomous key for classifying a chart of lizards, it is essential to begin with a characteristic that can be used to divide the lizards into two distinct groups. The best characteristic to start a dichotomous key is typically one that is visually obvious and can easily be identified without specialized equipment. For lizards, such characteristics could include the presence or absence of certain features like a tail, the type of scales, or limb structure. The dichotomous key should be constructed by consistently offering two mutually exclusive options at each step, allowing for a clear decision path that can be followed until the correct identification is reached. It is imperative to carefully observe and note the different traits present in the lizards to efficiently categorize them.
For example, the first step of the key might start with a question like "Does the lizard have a prehensile tail?" If the answer is 'yes', this leads to one branch of the key, and if 'no', it leads to another. Subsequent questions would narrow down characteristics further, such as coloration, scale texture, or head shape, always looking to split the groups into two to refine the identification. By working through the structured series of choices in the key, students will eventually identify each lizard in the chart.
Question 2 of 26
What is the standard unit that astronomers use to measure the size of stars?
Answer:
Parsecs
Explanation:
Answer:
parsecs
Explanation:
parsecs: many astronomers prefer to use parsecs (abbreviated pc) to measure distance to stars. this is because its definition is closely related to a method of measuring the distances between stars. a parsec is the distance at which 1 AU subtends an angle of 1 arcsec.
hope this helps
How might chemical and physical weathering work together to break down rock and shape our landscapes?
Answer:
While physical weathering breaks down a rock's physical structure, chemical weathering alters a rock's chemical composition. Physical weathering works with mechanical forces, such as friction and impact, while chemical weathering takes place at the molecular level with the exchange of ions and cations.
Which of the following is a reason to participate in an internship?
A. To earn college credit
B. health benefits
C. insurance benefits
D. to enhance college applications
Answer:D
Explanation:To enhance your college applications
To enhance college application is a reason to participate in an internship. thus option D is correct.
What is effect of internship in student's life?An internship provides the work experience that helps students put their education into practice, develop their leadership skills and give them a competitive advantage as they pursue a permanent position.
After participate in internship, college application will be enhanced have a great impact on the recruiters of placement cell.
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If Mike thinks quality is more important than quantity and Nick disagrees, what is likely the basis for their conflict?
arbitration
disagreement in values
mediation
solution
the answer is not mediation
The answer is:
Disagreement in Values.
Answer:
Disagreement in values
Explanation:
Which of the following countries are compact states?
Botswana and Zimbabwe
Madagascar and South Africa
Somalia and Kenya
Kenya and Mozambique
Central African Republic and Mali
Answer:
i believe your answer is A
Explanation:
Answer:
The correct answer is Botswana and Zimbabwe
You are driving on a divided highway and you see this traffic sign ahead. This sign means
•
A: The road narrows ahead,
B: The divided highway ends 350 to 500 feet ahead, and you will then be on a road with two-way
traffic, Keep to the right,
C: The highway is closed for maintenance ahead. All traffic in your direction must tum around and
make a detour
When you are driving on a divided highway and you see this traffic sign ahead, it simply means that: B: The divided highway ends 350 to 500 feet ahead, and you will then be on a road with two-way traffic, Keep to the right.
A traffic sign is also referred to as road sign and it can be defined as a sign that is erected by a road safety agency along the roads, so as to ensure the safety of drivers and pedestrians.
Generally, a traffic sign is used for the following:
To convey information to drivers and pedestrians.To give instruction to drivers and pedestrians.To warn to drivers and pedestrians of any danger or hazard.In this scenario, when you see traffic sign ahead while driving on a divided highway, it simply means that the divided highway ends in about 350 to 500 feet ahead, and thereafter, you'll be on a road that have two-way traffic, so you should keep to the right.
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The diagram shows a setup for inducing a current in a wire. A wire connected to the red and blue terminals on a grey box, which contains a white box with a needle pointing to the right with the number 0 above the center of the white box. The wire passes through a 3 sided trough with a bar magnet running on each side of the top inside of the trough. There the wire is labeled with an upward pointing arrow and the words Direction of movement of wire. Which change would cause the needle on the ammeter to point to the left of the zero? making the wire thicker adding coils to the wire disconnecting the wire from one end of the ammeter moving the wire downward through the magnetic field
Answer:
D:moving the wire downward through the magnetic field
Explanation:
A change which would cause the needle on the ammeter to point to the left of the zero is: D. moving the wire downward through the magnetic field.
What is an ammeter?An ammeter can be defined as an instrument that is designed and developed for the measurement of either a direct current (DC) or alternating current (AC) in an electric circuit.
Generally, a needle (pointer) that is attached to a magnetic coil moves in opposite direction (deflects) for each direction of current flowing through an ammeter, especially due to the polarized magnetic field.
In conclusion, a change which would cause the needle on the ammeter to point to the left of the zero is moving the wire downward through the magnetic field.
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PLS HELP ME FAST FAST:
The average speed of a golden eagle is 30 mph and the average speed of a peregrine falcon is 48 mph. How far will the peregrine falcon fly in the time it takes the eagle to fly 40 miles?
The peregrine falcon fly in the time it takes the eagle to fly 40 miles is 64 miles. The part of the calculation is discussed below.
What is the procedure to calculate how far will the peregrine falcon fly in the time it takes the eagle to fly 40 miles?First we need to find how much time it takes the eagle to fly 40 miles:
speed of the eagle: 30 mph
this can be represented as follows:
miles hours
30 ⇒ 1
and since we want to know the time to fly 40 miles (that time is x):
miles hours
30 ⇒ 1
40 ⇒ x
we use the rule of three which is to multiply the cross quantities on the table and divide by the remaining quantity:
x = 40(1)/30
x = hour
it takes the eagle hours to fly 40 miles.
Now we use the velocity of the falcon: 48mph, which can also be represented as:
miles hours
48 ⇒ 1
and we need the distance in miles that the falcon fly in hours :
miles hours
48 ⇒ 1
again we use the rule of three (multiply cross quantities and divide by the remaining quantity)
x = (48)( ) / 1
x = 64 miles
Therefore, The peregrine falcon fly in the time it takes the eagle to fly 40 miles is 64 miles.
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Scientists are interested in investigating how limestone can be used to remediate the effects of acid rain. They collect
water from a lake that has recently been exposed to acid rain. They divide the water into 10 different tanks and add
different amounts of limestone to nine of the tanks. No limestone is added to one of the tanks. The pH of the water in the
tanks is measured before the limestone is added and once every hour for 24 hours.
(f) Identify the independent variable in this investigation.
(g) Identify the dependent variable in this investigation.
(h) Identify the control group in this investigation.
(i) Describe one additional variable that has not been mentioned that could affect the results of the investigation.
(j) Describe a modification that could be made to the investigation that would affect the results.
Answer:
The independent variable is the amount of limestone placed inside the tanks.
The dependent variable is the ph of the water in the tanks after liming has been added.
The control group is the blood that received water, but did not receive limestone.
The amount of water could be an additional variable that was not mentioned.
A modification that would affect the results would be to place different amounts of limestone in each tank.
Explanation:
In an experiment, the dependent variable is one that influences a result that can be observed. As in the experiment above, the researchers want to see the influence of limestone in neutralizing the pH of acid rainwater, we can say that the amount of calcarop is the independent variable.
A dependent variable, in turn, is one that is influenced by the dependent variable in generating results. As the experiment above, wants to check the influence of limestone on the pH of water from acid rain, we can say that the pH of the water is the dependent variable.
The control group, is the one that does not receive the factor that is being tested in the experiment. As the influence of the amount of limestone on the pH change is being tested, we can say that the water lang that did not receive limestone is the control group.
The amount of water in each blood is a variable that was not mentioned, but that could modify the results, since larger amounts of water can dilute the limestone by modifying its effect on the pH of the water.
A modification that could alter the results is to place different amounts of limestone in each tank, which would provide totally different results.
332,01_ is divisible by 10.
Answer:
332,010 is divisible by 10
Explanation:
39. What is the probability that "everything will be fine"?
Answer:
A
Explanation:
The probability that everything is fine is the joint probability: (hits wire)*(88 mph | hits wire)*(lightning | hits wire AND 88 mph) = (0.8)(0.10)(0.02) = 0.0016.
Which of the following countries has established a democratic government MOST recently?
South Africa
India
Canada
England
United States
I know it's not India that's it and I will give brainliest
Answer:
am thinking of India and south Africa and am pretty sure is India.
Since Emma beat his score on the test, Dean decided he was having trouble in his AP Psychology class. Despite his efforts and recent success, he went back down to #2 status on his last exam. The stress of this was enough to make him worried about his condition. Could it be the test was biased? He’d learn that in the next unit. Was it that his personality fragmented, like in Dissociative Identity Disorder? No, it can’t be, disorders are in the unit after testing. He’d have to seek therapy, but that’s three units from now. After consulting with his psychology teacher, Dean came to the conclusion that he might have a personality conflict. So he built a time machine to go back and seek out three famous psychologists and their theories on personality to better understand his issues. Dean decided to look at the following theories: Psychoanalytic Humanistic Social-Cognitive/Social-Learning Explain these theories in terms of their approaches to personality. Include at least one prominent individual, the basic components of each theory, and one disadvantage to each theory.
PSYCHOANALYTIC:
Focuses on the unconscious motives of the person in terms of Id, Ego, and Superego.
Therapy may involve hyponesis, free association, and dream analysis.
HUMANISTIC:
Focuses on the value, dignity, and worth of each person.
Therapy may involve non-directive therapy, active listening, unconditional positive regard, such as calling your patient a "client" to show equality.
COGNITIVE: (does not include social)
Focuses on the way people think.
Therapy may involve rational-emotive therapy, which helps change unrealistic assumptions of onself,
I couldn't find social, but if it's similar, I have a section on:
BEHAVIOR:
Focuses more on a person's actual behavior rather than their thoughts.
Therapy may involve counter-conditioning, which is pairing a stimulus (positive thing) with good behavior, to encourage that behavior more often.
The following was taken out of my Psychology 1 course notes, enjoy!
Why do prices increase when demand for a product is high?
O
O Companies know they can make more money by selling fewer products at higher prices,
Companies know that people will be willing to spend more to get an in-demand product.
Companies take advantage of the demand to make people spend more money on excess products,
O Companies know they can stop production and still make money on sales,
Answer:
Companies know that people will be willing to spend more to get an in-demand product.
Companies understand that people are willing to pay more for a popular product.
What is a demand?Clients' desire, commitment, as well as the capacity to pay a specific price for a good or service at a specific time is known as desire.
Price reduction is a result of the supply and demand for a service or good being equal. Prices typically increase when demand outpaces supply. When demand is constant, it has an inverse relationship involving supply and the cost of products and services.
The number of people looking for your goods, their willingness to shell out money for them, and the quantity of what you sell that is offered to customers by both your business and competing companies are some of the elements that affect market demand.
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a group of hackers use their skills to access the computer system of a well known bank. which of the following motivations for hacking the bank would suggest the group of activists
Answer:
Prison
Explanation:
cus that's illegal
Dr. Keyes is a veterinarian who believes that people are happier if they own more pets. He hopes
to fund a research project to demonstrate this so he can increase the number of pets adopted at the
local animal shelter he runs. He is proposing a correlational study to examine this belief.
The predicted relationship between the variables in Keyes's correlation study will likely show a positive correlation between the number of pets owned by individuals and their overall happiness.
How to describe the predicted relationship
In this project, Keyes believes that as people own more pets, their level of happiness will increase. He anticipates that there will be a direct association between the two variables, suggesting that those who have a higher number of pets are more likely to report higher levels of happiness.
This expected positive correlation aligns with the assumption that the companionship and joy derived from having pets contribute significantly to an individual's well-being and satisfaction.
The full question to the question given: Keyes is a veterinarian who believes that people are happier if they own more pets. He hopes to fund a research project to demonstrate this so he can increase the number of pets adopted at the local animal shelter he runs. He is proposing a correlation study to examine this belief. Describe the predicted relationship between the variables of this study.
HELP PLEASE :)
The people Kayla works with call her bad names and harass her because she has a speech impairment. This happens every day. Her boss knows about it but does nothing. Which law does this violate?
Civil Rights Act of 1964
Age Discrimination in Employment Act of 1967 (ADEA)
Americans with Disabilities Act of 1990 (ADA)
No law was violated
Answer:
C
Explanation:
Question 3 (1 point)
Earth's atmosphere contains water vapor and carbon dioxide. These greenhouse gaes (GHG) are important to life because they
a
b
trap thermal energy in the atmosphere
create Earth's gravitational field
protect against magnetic particles
are substances animals need to breathe.
с
Answer:
The correct answer is greenhouse gases are inportant to life because they are substances animals need to breathe
asking questions during an interview is likely to make a good impression on potential employers. How many questions should you be prepared to ask?
A. 6 to7
B. 4 to 5
C. 2 to 3
D.8 to 10
Taking the test right now and it is 2-3
Answer: C
Explanation: 2 to 3 is correct
(07.04 MC)
Country X has a long coastline with ample oil resources in the water along the coast. Boats from Country Y visit Country X’s coastline and begin mining oil. Country Y has violated Country X’s
sphere of influence
economic alliance
sovereignty
buffer zone
exclusive economic zone
Answer:exclusive economic zone
Explanation:
Answer:
Exclusive economic zone
Explanation:
An exclusive economic zone is an international agreement that a state has economic rights to 200 nautical miles from its shore. Within this territory, the state controls the natural resources located in the water and below the water, such as fish, oil, and gas. Since Country Y mined Country X's oil, it is violating Country X's exclusive economic zone.
A scientist places four identical cells into four different liquids, each with different concentrations of magnesium. Cell Description of Liquid Result W Slightly more magnesium than the cell Took in magnesium X The least amount of magnesium Took in magnesium Y Slightly less magnesium than the cell Took in magnesium Z The most amount of magnesium Took in magnesium Which shows evidence of active transport? cells W and Z cell W only cell Y only cells X and Y
Answer:
The answer is not clear but if you are pointing out cell it should be w and z but if you referring solution.mg concentration it is x and Y.
Answer:
It’s cells x and y
Explanation:
How did chinese dynasties use an imperial bureaucracy to maintain and justify rheir rule?
Answer:
They conducted efficient civil service exams to recruit the best bureaucrats.Explanation:
The Chinese developed an imperial examination system during the Sui dynasty that lasted till last dynasties of China. It was one of the most efficient practice of the imperial system which has helped Chinese dynasties to maintain their rule for centuries.They conducted tough civil service exams to recruit only the best bureaucrats to work for state bureaucracy. This helped the dynasties to have proficient and capable bureaucrats and statesmen who helped in the administration of the rulers.(a) Describe the process of meiosis that ensures that both maternal and paternal chromosomes are passed on to each spermatozoon
(b) Explain why the genetic content of individual chromosomes in a spermatozoon most likely differs from the genetic content of individual chromosomes in a primary spermatocyte.
(c) In some instances, meiosis of a primary spermatocyte with six chromosomes results in two spermatozoa that contain four chromosomes and two spermatozoa that contain two chromosomes. Predict the most likely cause.
(d) A student claims that if the animal producing the spermatozoa has a mutation in the mitochondrial gene, the possibility that any offspring will inherit the mutation is zero. Provide evidence to support this claim.
Answer:
1. Each organism has a diploid complex of chromosomes, when it has only one pair, it indicates that it has homologous pairing of the chromosome.
each homologous pair comes from a progenitor cell, the mother and the father, the chromosomes separate and leave their inheritance to the gametes like the esoermatozoa, a process that occurs in the pachytene etspa of prophase I of meiosis I.
2. the sperm will contain different chromosomal genetic material with respect to the primary sperm, because the latter will carry out a meiosis process that secretes the homologous pairing of the chromosome in a diploid organism to form a haploid gamete. we can see in secondary spermatocytes, spermatids and sperm.
3. Sneuploidy can occur because in the chromosomal division of meiosis, disjunction does not occur, generating a sperm with 4 chromosomes and another with 2 chromosomes, resulting in monosomal and trisomic aneuploidy.
4. As for the defects in the mitochondria, the mutation will only be transmitted if the mother has it, the father will not generate any, since during gametic fusion, the maternal mitochondria does not participate in the fusion
Meiosis is a type of reductional cell division by which one parental cell divides twice to produce four germinal (gamete) sex cells having half of the genetic material (DNA).
During fertilization, two germinal sexual cells fuse to produce a diploid (2n) zygote, which contains two complete sets of homologous chromosomes that come from one of each parent.A spermatozoon, also called sperm, is a mature male (germinal) sex cell, whereas a primary spermatocyte is a cell before Meiosis.Nondisjunction of homologous chromosomes during Meiosis I or sister chromatids during Meiosis II leads to the formation of spermatozoa with an abnormal number of chromosomes.Mitochondrial DNA (mtDNA) is inherited from the mother so the likelihood that any offspring inherit an mtDNA mutation from the father is equal to zero (0).Learn more in:
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if you got 50% on every test all year what grade will you get
Answer:
I believe that you would get a C Or a B not sure
What is one difference between the ACT and the SAT?
A. The ACT is taken during your sophomore year, while the SAT is
taken during your junior year.
B. The ACT has essay questions, while the SAT has
multiple-choice questions.
O
C. The ACT lets you use a calculator on all its math problems, while
the SAT does not.
O
D. The ACT helps you find scholarships, while the SAT does not.
SUBMIT
Answer:
the answer is c
Explanation:
A student may use a calculator for math problems in the ACT exam, but not in the SAT exam.
What is a calculator?A calculator is a device which is used to conduct mathematical calculations, and the solution to the same is obtained within a fraction of a second. It may or may not be allowed to use in exams.
Hence, option C states that some exams allow use of a calculator, while some don't.
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HELPPP WILL MARK BRAINIESTTT
Study the map above. Then answer the following questions:
How does this map demonstrate a period of colonial expansion?
What specific motivation drove colonialism in this region?
How did that motivation impact the indigenous peoples of Africa and the formation of political boundaries in the postcolonial period?
Discuss the evolution of modern nation-states in Africa. How has colonialism in this region slowed democratization and led to fragmentation and conflict?
Answer:
1. The key on the map shows how other countries from different continents have set up colonial areas in Africa.
2. The motivation of new land, territory, chocolate exportation helped motivate the colonial expansion of Africa.
3. They were conquered and were not allowed to practice their customs. Most were forced into slavery and labor. The territories conquered by other countries formed boundaries that formed the present day boundaries of Africa's countries.
Explanation:
How did Bolivar’s Jamaica Letter influence resistance to existing political authority?
Simón Bolívar's Jamaica Letter justified the movement for independence from Spain and proposed a strong central government for the newly independent states, influencing resistance to colonial rule and advancing the cause for a unified Spanish America.
Explanation:Simón Bolívar's Jamaica Letter was a significant document that influenced resistance to existing political authority by clearly outlining the injustices and mismanagement of colonial rule while simultaneously advocating for independence and unity among Spanish American territories. It criticized the Spanish colonial system's oppression and the perceived lack of equality, liberty, and property rights for those living in the colonies. Furthermore, Bolívar suggested a political system with a strong central government and a powerful executive, contrary to the ideals held by Spain and other regions that favored a more federal system.
The Jamaica Letter advanced the idea that independence was not only justified but necessary, and it provided a framework for a new government structure to maintain order and freedom. Bolívar's arguments in the letter fostered a sense of legitimacy for the independence movement and inspired many to challenge existing political authorities in pursuit of a unified and independent Spanish America.
In his analysis, Bolívar stressed that due to the colonial experience, the mixed-race population of the Americas had been subjected to civil oppression and deprived of key human rights, which warranted their fight for independence. His correspondence with figures like Alexandre Pétion highlighted his commitment to abolition and underlined the transnational aspect of the independence movements, reinforcing Bolívar's revolutionary credentials and moral authority.
Corporate taxes are a type of
income tax
property tax
sales tax.
excise tax
All of the following are important aspects of a good study space except
A. a comfortable chair
B. being available for use at any time of the night
C. adequate lighting
D. having the necessary supplies on hand
Answer:
The answer is B. being available for use at any time of the night.
Which adaptation would MOST LIKELY be found among deciduous forest animals?
A) wide field of vision
B) migration and hibernation
C) long legs for fast running
D) golden or earth-colored coats
Answer:
d golden or earth-colored coats
Explanation:
so they could hide from preadators by hiding in tall grasses or on the ground