Biology Middle School

5. Read the scenarios below. For each of the scenarios, identify the following (you should identify the 3 for EACH of the scenarios):

Control Group Independent Variable Dependent Variable

A. John thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, John counts how many stacks of papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks.

B. Candy notices that her shower is covered in a strange green slime. Her friend Belinda tells her that coconut juice will get rid of the green slime. Candy decides to check this out by spraying half of the shower with coconut juice. She sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.

C. Elisa is working on a science project. Her task is to answer the question: "Does Grow Long (which is a commercial hair product) affect the speed of hair growth?" Her family is willing to volunteer for the experiment.

Answers

Answer 1

Answer:

A.

1) Control Group: Group B (not given the special juice)

2) Independent Variable: Special juice given to Group A

3) Dependent Variable: Number of stacks of papers each group made

B.

1) Control Group: The side of the shower sprayed with water

2) Independent Variable: Coconut juice sprayed on one side of the shower

3) Dependent Variable: Appearance of green slime on both sides of the shower

C.

1) Control Group: No treatment

2) Independent Variable: Grow Long (commercial hair product)

3) Dependent Variable: Speed of hair growth

Explanation:

Related Questions

A fertile valley has farms and a small town. The valley is surrounded by hills, but these hills are not good for farming or living. Over time, the town expands.

How will the town’s growth most likely affect the availability of farmland in the valley?

1. The availability of farmland will decrease.

2. The availability of farmland may increase or decrease.

3. The availability of farmland will remain unchanged.

4. The availability of farmland will increase.

Answers

3, because the land was already not good for farming.

2. It doesn’t say that you can’t farm on the hills so it’s possible. If they choose to increase housing or other infrastructure then it will stay the same.

Signal Noise
Information in an electronic signal can be affected by noise. Noise is any unwanted disturbance in a signal. If you've ever seen interference when watching TV, then you've witnessed signal noise.

There are many causes of noise, and it can be introduced into a signal when the information is recorded, processed, transmitted, or received.

6. Suppose the analog signal shown here is from a music program on the radio. How do you think the music would be affected by the noise when you listen to it on the radio? Explain

Answers

Answer:

[tex]5( + [/tex]

[tex] \div \div \div \div \div \div \div [/tex]

[tex] log_{ \cot(?) }(?) [/tex]

Answer: The noise in an analog signal can affect the quality of the signal and cause distortion in the original waveform. In the case of a music program on the radio, noise can cause unwanted sounds, such as static, crackling, or hissing, which can interfere with the quality of the music being played.

The effect of noise on the music depends on the level and type of noise, the sensitivity of the receiver, and the quality of the equipment used to process and amplify the signal. In general, the more noise that is present, the more noticeable the degradation of the music will be.

However, it's important to note that some types of music may be more resistant to noise than others. For example, music with a lot of bass or percussion may mask some of the noise, while music with a lot of high-frequency content may be more affected by noise. Additionally, some listeners may be more sensitive to noise than others and may notice the degradation of the signal more readily.

Explanation:

In what ways are sexual and asexual production in plants similar, and in what ways do they differ?

Answers

Sexual and asexual reproduction both produces offsprings but sexual reproduction is a production between two parents and their offsprings is genetically different from their parent. Asexual reproduction produces offsprings from one parent, so the offspring would be genetically identical to the parent plants.

Answer: Plants reproduce in two ways: sexually and asexually. . By fusing gametes, sexual reproduction generates children. As a result, the offspring are genetically distinct. Asexual reproduction results in the formation of new people without the fusing of gametes.

Sexual and Asexual Reproduction :

Although there are many distinct methods used by living creatures to reproduce, the majority of these methods may be classified as either sexual or asexual reproduction.

Offspring produced by asexual reproduction are genetically identical to either of their parents. Two parents contribute genetic material during sexual reproduction to create distinct children.

There are benefits and drawbacks to both sexual and asexual reproduction, which is why some creatures use both.

Explanation:

Other Questions
In order to make the same amount of money, they would have to each sell ______ bicycles. They would both make $______. true/false. acculturation is the process by which individuals adopt the attitudes, values, customs, beliefs, and behaviors of another culture BRAINLY AND 20 POINTS IF ANSWERED!!!!!! roberto is walking. The distance, D, in meters, he walks can be found using the equation D=1. 4t, where t is time in seconds[ ] meters per second How were Japanese Americans impacted by wartime policies during World War II? look at picture below (if you troll I will get you banned) 20 points! Question 4Let us assume an original starting value of $4 trillion in 2033, but that the actual rate ofdecline after 2033 was 10% greater than the 7.6% rate. (Notice that this refers to a 10%relative increase over the 7.6% rate of decline that was originally estimated in thelesson, and not an absolute increase of 10 percentage points.) In the questions below,consider how this would affect the estimated value of the funds in 2038?What is the new estimated value of the trust funds in 2038? Round to the nearest True or False, if company a runs an aggressive advertising campaign that tells customers why they should quit doing business with company b and do business with a instead, b will be able to sue a for interference with a prospective advantage. CTENOPHORAKnow the apomorphies:"Comb jellies"apomorphies: complete gut (the gut has two opening, a mouth and anus), and determinate cleavage (the condition whereby if a cell is removed from the early four-celled stage and allowed to develop on its own, it will NOT be able to form a complete, viable embryo). Situaciones en el hotelRewrite the following sentences, using double object pronouns to avoid repetition.MODELO: El bao privado? Acaban de limpiarnos el bao privado.Acaban de limpirnoslo. or Nos lo acaban de limpiar.1. Una habitacin? Acaban de reservarnos una habitacin. 2. Una cama doble? Deben darte una cama doble. 3. El recepcionista? El botones quiere presentarnos al recepcionista. 4. El aire acondicionado? Deben ofrecernos el aire acondicionado. 5. La llave para el cuarto matrimonial? Van a darnos la llave para el cuarto matrimonial. TRUE OR FALSE you can declare as many variables in a statement as you want, as long as the variables are different data types. any point on the parabola can be labeled (x,y), as shown. a parabola goes through (negative 3, 3) A ________ is a combination of different types of flows through a process. Multiple Choice- capacity mix- product mix- demand matrix- product matrix president herbert hoover believed that the great depression could be ended by doing all of the following exceptdirectly assisting businesses and banks.lending federal funds to feed farm livestock.keeping faith in the efficiency of the industrial system. do you have to sterilize baby bottles after each use true/false. One of the best ways to reduce one's uncertainty and anxiety about interacting with people from other social groups and cultures is to take the opportunity to interact with diverse groups of people in our social, educational, and professional lives. Which of the following functions of TCP control the amount of unacknowledged outstanding data segments?A. FlomaxB. SegmentationC. WindowingD. Flow Control when filing an appeal, an appellant usually must show The embryo sac of an angiosperm is made up ofA) 8 cellsB) 7 cells and 8 nucleiC) 8 nucleiD) 8 cells and 7 nuclei refer to the table. if the price is $6.25, who would be willing to supply the product? a.adriana, kenzie, and mingb.julia, adriana, and kenziec.kenzie and ming d.kashawn, julia, and adriana) Persuasive writingLook at advertisement below for travelling on a cruise ship. Tell me 4 persuasive literary devices the author is using to try and tempt you to go on this cruise.Creative commons. Cunard cruise advertisement 19511. 2. 3.4.