- Sciences TEMPERATURE ("C) ESTION 3 HIW table below shows the results of a sturly that investigated the effect of temperature light on the yield of tomatoes in two greenhouses on a farm 31 NSC -10 5 10 15 20 25 30 AVERAGE YIELD OF TOMATOES PER PLANT (kg) HIGH LIGHT LEVELS LOW LIGHT LEVELS 0.5 1.5 Test: Ecosystems 3,0 3,6 3,5 2,5 2,5 5,0 8.5 7.8 6.2 State TWO steps the investigator may have taken into consideration during the planning stage of the investigation.
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During the starting stage of the research, the investigator may also have taken the subsequent steps into attention:
Establishing Controlled Variables: The investigator might perceive and manage variables aside from temperature and light levels that might probably impact the yield of tomatoes. This ought to consist of elements consisting of soil composition, water availability, nutrient tiers, and the tomato cultivar used.
Randomized Experimental Design: To reduce bias and account for capability confounding factors, the investigator may also have used a randomized experimental design.
This includes randomly assigning the tomato plant life to unique remedy agencies (excessive light tiers and coffee light ranges) and distinctive temperature situations.
Thus, by carefully controlling variables and the usage of a randomized design, the investigator can boom the reliability and validity of the experiment, bearing in mind more accurate conclusions to be drawn concerning the effect of temperature and mild ranges on tomato yield.
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Related Questions
ead the statement.
For an organism, a section of the DNA code reads CAATCT. Over time, two species form from this population. Species 1 has a mutation in this region; it has CTATCT. Species 2 has another mutation; it has CAATAT.
Scientists discover a new organism, species 3. The new organism has the code CTATCG for the same section.
Which option is most likely true for species 3?
Select one:
Species 3 is not likely to be related to species 1, species 2, or their common ancestor.
Species 3 has most likely evolved from the same common ancestor as species 1 and species 2.
Species 3 has most likely evolved from species 1.
Species 3 has most likely evolved from species 2.
thanks for the help
Answers
Answer:
code reads CAATCT. Over time, two species form from this population. Species 1 has a mutation in this region; it has CTATCT. Species 2 has another mutation; it has CAATAT.
Scientists discover a new organism, species 3. The new organism has the code CTATCG for the same section.
Which option is most likely true for species 3?
Select one:
Species 3 is not likely to be related to species 1, species 2, or their
Tests: Watch the following video https://youtu.be/f6c2cZfOULI Start at 3:20.
What are the independent and dependent variables in this experiment?
Independent:
Dependent:
What is the control and the constants to ensure test validity in this experiment?
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According to the information, we can infer that the Independent variable: Temperature (specifically, the range of temperature). On the other hand, Dependent variable: Distribution of pikas. Additionally, Control: Pikas within their tolerance range of temperature and Constants: Other environmental factors, habitat conditions, and population of pikas.
What are the independent and dependent variables in this experiment?In this experiment, the independent variable is the temperature, specifically the range of temperature. The researcher will manipulate and observe how different temperature ranges affect the distribution of pikas.
The dependent variable is the distribution of pikas. It refers to the geographical or spatial range in which pikas are found. The researcher will measure and analyze how the distribution of pikas changes in response to different temperature ranges.
What is control and the constants to ensure test validity in this experiment?To ensure test validity, a control group of pikas within their tolerance range of temperature needs to be included. This group will experience temperatures within the range they can tolerate, providing a baseline for comparison. By comparing the distribution of pikas in different temperature ranges to the control group, the researcher can determine the impact of temperature on their distribution.
To maintain validity, other environmental factors such as altitude, precipitation, vegetation, and habitat conditions should be kept constant across the experimental groups. Additionally, the population of pikas being studied should be consistent, without any significant changes in population size or genetic composition throughout the experiment. These constants help isolate the effect of temperature on pika distribution and minimize confounding variables.
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What would happen if complexes I-IV of the electron transport chain pumped protons in the opposite direction?
a. Too much ATP would be synthesized.
b. None of the other answer options is correct.
c. No ATP would be synthesized.
d. There would be too many electrons in the mitochondrial matrix.
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Answer:
The correct answer is - c. No ATP would be synthesized.
Explanation:
In the electron transport chain there are four complexes, complexes I-IV, pumps the protons from the matrix of the mitochondria into the intermembrane space. This is the downhill movement of the electrons that helps in synthesizing the ATP molecules.
If the complexes move or pump the electron uphill or against the gradient there would be no ATP formation as there would be no interchange of proton and electron interchange.
Why are construction sites considered major sources of water pollution?" 1 point
They introduce high levels of salt into local water sources.
Soil erosion rates accelerate dramatically, impacting water quality in streams and
rivers
They cause sinkholes to form, which pollute local water sources.
Sawdust leaches into the soil, causing the water that runs into rivers and streams to
be cloudy and full of particles
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Soil erosion rates accelerate dramatically, impacting water quality in streams and rivers.
Answer:
B
Explanation:
How do you know something is dead
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Is this without equipment?
Depending on what organism you are talking about, animals that can be seen with the unaided eye you can tell that they are dead by studying their bodily movements such as the rise or falling of their chest.
Plants with the unaided eye, the best indicator is to take a branch or piece off and study the insides color, if it is green then mostly likely they are alive.
Now microscopic organisms are harder to say, it depends on what you are referring to.
DNA originally contains two parent strands, each forming one side of the double helix. After replication, each of these parent strands is copied into a daughter strand, so the overall result is 2 identical daughter cells. The process of DNA replication. In a semi-conservative model of DNA replication, which of the following is true?
The daughter DNA molecule consists of 1 parent strand and 1 new strand
The daughter DNA molecule consists of 2 newly formed strands
The daughter DNA molecule consists of 2 parent strands
The daughter DNA molecule consists of an uneven mix of old and new strands
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DNA replication is semi-conservative because the original molecule separates into two different strands, and each of them works as a model for a new strand to grow. A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.
Why is DNA replication a semi-conservative event?
DNI replication is semi-conservative because, after replication, each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.
The replication products are double-stranded DNA molecules, each carrying an original strand and a new one.
The correct option is A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.
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In a semi-conservative model of DNA replication, the daughter DNA molecule consists of 1 parent strand and 1 new strand. Option 1.
Semi-conservative DNA replicationThe process of DNA is naturally semi-conservative.
This is because each strand of the original DNA forms a template for the synthesis of a complementary strand. Thereafter, each of the newly synthesized strands forms a double helix structure with their respective parent strands.
Thus, e newly replicated DNA molecule usually consists of 1 old strand and 1 new strand. Consequently, the process is described as being semi-conservative.
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if a species has a wide range of tolerance, will it dominate a habitat in low pollution or high pollution? why?
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A species with a wide range of tolerance can dominate most habitats due to its ability to adapt.
What is a wide range of tolerance?A wide range of tolerance is the ability for an organism to tolerate low or high levels of abiotic contamination in it's natural habitat. This means that the organisms in question show a high level of adaptability and are able to survive in hostile environments. This allows them to remain dominant in most habitats despite contamination values.
Therefore, we can confirm that a species with a wide range of tolerance can dominate most habitats due to its ability to adapt.
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Tesla Il Dut your total time may nit exceed
Question 2
3
Potential Energy (J)Kinetic Energy (J)Velocity (m/s)
100
0
0
80
20
4.5
60
40
6.3
40
60
7.7
20
80
8.9
0
100
10
The relationship between Potential Energy and Kinetic Energy can be described as which of the following?
Answer
linear
5
B
inverse
С
parabolic
D
rational
Answers
Answer:
dcgfbhnjbhvgcfxfcgvm
Explanation:
The steps to purifying DNA are listed below. Place them in order.
Burst cells open to release DNA
Isolate concentrated DNA
Collect cheek cells
Separate DNA from proteins and debris
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Answer:
Explanation:
1. Collect cheek cells
2. Burst cells open to release DNA
3. Isolate concentrated DNA
4. Separate DNA from proteins and debris
Which would most affect the health of fish in a Local pond
Answers
Answer:
The daily release of hot water into the pond from a local factory.
Help me I don't really understand what they want I got to do and please provide me an answer
Answers
Answer: you arre to write a hypothises which is your perspective basically
Explanation:
Which of the following best explains why bacteria are able to adapt to
changing environmental conditions?
A Bacteria have DNA that rarely mutates in the population.
B Bacteria reproduce rapidly, allowing mutations to increase in the
population.
C Bacteria reproduce asexually, causing little genetic variation in the
population.
D Bacteria exchange genetic material, which increases the number of
chromosomes in the population.
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Answer: B
Explanation:
Which brain region is believed to play a critical role in OCD?
anterior cortex
prefrontal cortex
orbitofrontal cortex
cingulate cortex
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Edrei went to the doctor for her annual checkup. The
doctor gave her a full physical exam. Then she compared
all data with the previous year's results and said,
"Congratulations on a successful year of mitosis!'
Which statement best explains the doctor's comment?
A. Edrei no longer needs to wear glasses.
B. Edrei has started jogging regularly.
C. Edrei has grown taller.
D. Edrei's allergies have improved.
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Please help me. I have only this question doubt
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Part 3 is nucleolus.
During cell division there is unique feature of the nucleus is that it disassembles and re-forms each time most cells divide. At the beginning of mitosis, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down, resulting in the release of most of the contents of the nucleus into the cytoplasm.
Which of the following is NOT true about
ribosomes
A-Only eukaryotes have ribosomes
B-Ribosomes can be found on the rough
endoplasmic reticulum in eukaryotes
C-Ribosomes are made of a small subunit and a
large subunit
D-Ribosomes are different between prokaryotes
and eukaryotes
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Answer:
I believe the answer is A.
I apologize if I'm incorrect, please let me know if I am tough I'm pretty sure I'm right.
For the situation below , determine whether the premium will likely increase , decrease, or remain the same. Jamie just turned 25
Answers
Answer:
The premium decreases when Jamie turns 25 years old.
Explanation:
The question above is about auto insurance premiums, which, as the name already says, is insurance aimed at automobiles, with the objective of promoting economic and financial protection in relation to accidents and problems that may happen in these vehicles.
When an individual turns 25, like Jamie, the insurance premium decreases in value, that is, the insurance companies offered cheaper and more economical rates to the driver when he is going to renew the contract.
Which of the following best describes the purpose of the chromosomes in the nucleusof a cell?
A. To store the genetic instructions needed to specify traits
B. To release energy by breaking down food molecules
C. To transport nutrients into and out of the cell
D. To protect the cell from microorganisms
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Answer:
A. To store the genetic instructions needed to specify traits.
A chromosome is made of a strand of DNA that's encoded with genes.
A person’s characteristics are determined by: A. Genes and environment B. None of these C. Genes D. Environment
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Answer:
A. Genes and environment
Explanation:
According to the website verywellmind.com, "Both genetics and environment play a part in the development of personality...", which answers your question.
Hope this helps!
Answer:
A: Genes and environment
Nature overcomes some natural disasters such as when a flooded mangrove forest or a Burnt forest are reborn study the photos on the right and give examples of how an old ecosystem might be destroyed and make way for a different ecosystem
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Another example is a wildfire. Wildfires can burn through forests and grasslands, destroying existing vegetation and wildlife. However, some plant species are adapted to survive wildfires, and their seeds may remain in the soil or be released after the fire. These plants can quickly grow back and start to rebuild the ecosystem. The burned areas can also become home to new plant species that thrive in the nutrient-rich soil that results from the fire.
A third example is a flood. Floods can inundate an area and destroy existing vegetation and wildlife. However, in areas like wetlands and mangrove forests, floods can also bring in new nutrients and sediment, creating new habitat for different plant and animal species. The flooded areas can also become breeding grounds for fish and other aquatic species, leading to the formation of a different ecosystem.
Types of power station is called a .......... power plant. What one word complete the sentences.
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what is holoendemic and examples of diseases under it
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Holoendemic is a kind of disease in which affects majority of people in a population are affected by this type of endemic sickness. Early in life, this infection is extremely common. As opposed to youngsters, adults do not exhibit disease signs as frequently.
Hepatitis B in parts of the Marquesas Islands and ocular trachoma in several regions of sub-Saharan Africa, where almost all children in those groups have been infected are examples of holoendemic disease.
more examples of holoendemic diseasesMalaria: A parasite transmitted by mosquitoes that affects millions of people in Africa, Asia, and South America.
Chagas disease: A parasitic disease caused by the Trypanosoma cruzi parasite that is found in Latin America and affects millions of people.
Schistosomiasis: A parasitic disease caused by a type of flatworm that affects millions of people in sub-Saharan Africa, South America, and Southeast Asia.
Dengue fever: A viral disease transmitted by mosquitoes that affects hundreds of millions of people in tropical and subtropical regions.
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Which of the following terms describes the functional classification of the illustrated joint with regard to its range of movement?
synovial
synarthrotic
diarthrotic
amphiarthrotic
Answers
The following term which describes the functional classification of the illustrated joint with regard to its range of movement is diarthrotic and is therefore denoted as option C.
What is Diarthrotic?This is referred to as a freely moving joint and it is characterized by its mobility and a joint cavity. Examples of this type of joint include gliding and pivot joint due to their similar features.
This type of joint usually has a synovial membrane within which is encased in the joint as denoted in the diagram given below which is therefore the reason why it was chosen as the correct answer.
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what are the two components of the equation for the free energy stored in the proton gradient called?
Answers
The two components of the equation for the free energy stored in the proton gradient are :
ΔG = 2.3RTΔpH + FΔψ ΔpH= H+ concentration gradientΔψ= voltage difference (electrical potential)Both of these two independent variables (ΔpH and Δψ ) supply energy and individually contribute to ATP synthesis.
In a mitochondrial membrane, a proton gradient is created when the proton concentration is greater outside the inner membrane than inside the membrane. It develops as a result of the respiration's electron transport chain. Proton gradients drive ATP synthesis, which is carried out by the enzyme ATP synthase.
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A cladogram of five species is shown. Based on the cladogram, the ancestral species most likely had-
Answers
selective and non selective herbicides examples with brief explanation
Answers
Answer: Answer is below <3
Explanation: Selective herbicides are able to selectively target broad-leaf weeds or grass weeds, depending on the chemical, without harming your lawn, while non-selective herbicides, like glyphosate (Freezone Tuffweed) will kill any plant they come into contact with.
Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music. Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music.
what can carmen do to make her experiment more reliable
A. add another variable to test
B. repeat the experiment serval times
C. decrease the amount of times the test subjects are exposed to the music
D. putting each test subject in a different location while they listen to the music
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Cartilage is:A. All of these.B. a flexible connective tissue.C. found at the end of long bones.D. the primary material of a shark's skeleton.
Answers
Cartilage is connective tissue, it also connects different organs. it is also found in articulations, and it is composed of collagen and chondrocytes. It allows the displacement of bones.
It is also the main component in sharks' skeletons, they do not have bones.
The answer is A (all of these )
Osteoporosis is more prevalent among women than men because women generally
have more bones in their bodies than men have.
take in more calcium than men take in.
have lower bone mass than men have.
exercise more than men do
Answers
Answer:
Have lower bone mass than men have
Explanation:
Osteoporosis is a bone thinning disease that is more prevalent among women than men and typically occurs after 50. The reason women are more likely to get the disease than men is because after 50 many women have gone through or are going through menopause. Menopause causes the ovaries to produce less estrogen which is what had previously been promoting bone density.
The other answers are incorrect because...
A: have more bones in their bodies than men have: for the most part everyone has the same amount of bone in there body (although there are diseases that cause a persons bones to fuse together making them have fewer bones than the average person)
B: take in more calcium then men take in: more calcium would actually cause someone to be less likely to get osteoporosis because it strengthens the bones.
C: exercise more than men do: Osteoporosis is more common in malnourished women and women who do not get regular physical activity to strengthens there bones. So getting more exercise would actually lessen the chance of getting osteoporosis.
Hope this helps! :)
Drag each phrase/term to the correct column.ITEM BANK: Move to BottomClimatic changeDrought Plant biomassParasitismEnvironment pollutionSort in:Density Dependent:Density Independent:
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Density-dependet:
1. Plant biomass
2. Parasitism
Density-independent:
1. Climactic change
2. Drought
3. Environment pollution
Density-dependent factors refer to those that regulate the growth of a population which depends on its density. On the other hand, density-independent factors refer to those that regulate population growth without relying on its density. Density-dependent often includes biotic factors, while density-independent are often involved abiotic factors.