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Related Questions
Male organisms will commonly engage in physical activity to show dominance during mating season. Male kangaroos can commonly be observed kicking one another, while bighorn rams will gather and crash their heads/rams into each other prior to mating season. This is an example of ______.
Question options:
competition
predation
commensalism
parasitism
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Male kangaroos that kick one another and bighorn rams will gather and crash their heads into each other prior to mating season are examples of competition.
What is competition?Competition is a type of ecological relationship in which two organisms contend for the same resource (e.g., food).
Competition can be divided into intraspecific competition and interspecific competition.In general, intraspecific competition makes reference to competence for reproduction.In conclusion, male kangaroos that kick one another and bighorn rams will gather and crash their heads into each other prior to mating season are examples of competition.
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Please help what's the answer
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In the early 1900s, three species of goatsbeard wildflowers, T. dubius, T pratensis, and T. porrifolius, were introduced to the United States. Each of the species had a chromosome number of 2N. In the 1930’s, a few populations of offspring from the original wildflowers were identified as having a chromosome number 4N. What does this data suggest about speciation.
A. Speciation has occurred because the original species of wildflowers produced populations of viable offspring.
B. Speciation has occurred because breeding between the offspring and original populations would not be possible.
C. Speciation has not occurred because the offspring of the original wildflowers were not introduced into a new area.
D. Speciation has not occurred because the offspring inherited identical genetic information to the original wildflowers.
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Answer:
B. Speciation has occurred because breeding between the offspring and original populations would not be possible.
Explanation:
Speciation has occurred in the species due to no breeding between the offspring and original populations because the offspring and original species has different number of chromosomes in their DNA. Due to this difference in the chromosome number in the DNA, there is no chance of breeding between offspring and original species. Speciation is the evolutionary process by which populations of organism evolve with the passage of time and become different from the original species.
Give two reasons why studying DNA is important.
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DNA is important because it encodes the genetic characteristics of a living organisms
PLS HELP ASAP!!!!!
Think about a model that you can construct that could be used to show the difference in prokaryotic and eukaryotic cells. In 6 complete sentences(3 for each type of cell), explain the process you would use to construct the model and how you would use the model to explain the differences between prokaryotic and eukaryotic cells to your classmates.
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Answer:
Prokaryotic cell-- no organelles, no membrane.
Eukaryotic cell -- Have organelles and membrane.
Explanation:
For the model of prokaryotic cell, we construct the model by removing organelles from the cell whereas in the eukaryotic cell, we add the organelles because in eukaryotic organisms, organelles are present in the cell that performs specific function. In the model of prokaryotic cell, we have to remove membrane around the nucleus whereas membrane president around the nucleus. In the prokaryotic cell, nucleus is not visible while on the other hand, in eukaryotic cell, the nucleus is visible and can be differentiate from other organelles.
Each of DNA's four kinds of bases can pair with
only one of the other DNA bases. Using the base-
pairing rules, which of the following is the correct
order of bases that would pair with the following
string of bases on a DNA molecule:
Adenine, guanine, guanine, cytosine, thymine,
adenine
O A. Cytosine, thymine, thymine, adenine,
guanine, cytosine
O B. Thymine, cytosine, cytosine, guanine,
adenine, thymine
O C. Thymine, adenine, adenine, guanine,
cytosine, thymine
O D. Guanine, adenine, adenine, thymine,
cytosine, guanine
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Answer:
The correct answer is - B. Thymine, cytosine, cytosine, guanine, adenine, thymine.
Explanation:
According to the base-pairing rule, the one purine binds with a specific pyrimidine always, the purine adenine (A) only pairs with the pyrimidine thymine (T) and similarly, the purine guanine (G) only pairs with the pyrimidine cytosine (C) in DNA, and in RNA the purine adenine (A) binds with the only uracil.
Here, the bases are -
Adenine, guanine, guanine, cytosine, thymine, adenine
the string of their base pair would be:
Thymine, cytosine, cytosine, guanine, adenine, thymine.
need help! will give brainly! no points answers plz
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Answer:
The correct answer is -
gly-met-arg-phe-val-pro
Explanation:
The production of the amino acid chain or sequence from the desired DNA sequence is called the protein synthesis or central dogma that involves two processes, transcription and translation. Transcription is the process of transcribing the information encoded in the DNA sequence into a complementary mRNA sequence. The translation is the second process that involves the translation from mRNA to a specific amino acid.
mRNA sequence is complementary to the DNA
so, DNA - CCC-TAC-CGC-AA-CG-CC
mRNA - GGG-AUG-CGC-UUU-GUC-GG
and amino acid from the chart : gly-met-arg-phe-val-pro
Which term describes resistance to change in motion?
A. acceleration
B. inertia
C. net force
D. velocity
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Answer:
Newton's second law of motion states that the accelaration of an object is directly proprotional to the force acting upon it. In symbols, we can write this as
[tex]F= ma[/tex]
Wher F is the force acting upon the object, m is the object's mass, and a is the object's acceleration. We can multiply both sides of this equation by 1/m to get the equivalent equation
[tex]\frac{1}{m} F= a[/tex]
What happens when we make m higher and higher? Well, that fraction 1/m gets closer and closer to zero. The same force accelarates the object less and less as that object becomes more massive. This consequence of Newton's second law, the resistance of massive objects to changes in acceleration, is called inertia, and it's one of the main expressions of mass in classical mechanics.
Answer:
acceleration
Explanation:
What solution can be used to detect blood that has been cleaned or cannot be seen?
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Answer:
Fluorescein is a presumptive blood test for latent bloodstain detection. It has been used in forensic applications to reveal trace amounts of blood. Traces of latent blood can be detected even after repeated cleansing of the crime scene.
Explanation:
- Eijiro <3
explain the effects of the production of large amounts of antidiuretic hormone in the human body
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Answer:
Antiuretic hormone is a hormone that performs functions related to the reabsorption of water molecules through of the kidneys and with the decrease in the amount of urine accumulated in the body. An excess of antiuretic hormone conditions a retention of water and the elimination of sodium in the urine
Explanation:
Antidiuretic hormone (ADH) participates in regulating the water balance in the body, controlling the amount of water reabsorbed by the kidneys after they have filtered waste from the blood. Excess ADH leads to increased water reabsorption in the collecting duct, with increased urinary osmolarity. If there is too much ADH, water is retained, blood volume increases and affect can lead to nausea, headaches, disorientation, lethargy and hyponatraemia (decreased sodium concentration in the blood).
A. Write two sentences explaining how carbon returns from the air to the ground.
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Answer:
In the atmosphere, carbon is attached to oxygen in a gas which is called carbon dioxide and through the the process of photosynthesis, it is pulled from the air to produce food made from carbon for plant growth. And through food chains, the animals that eat plants get that carbon and so do the animals that eat those animals.
When an animal dies, their bodies as well as wood and leaves decaying brings the carbon into the ground.
the part of a cell that contains genes.
A. Chromosomes
B. Motosis
C. Helix
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All of the following are needed for photosynthesis to occur EXCEPT
Select one:
a. carbon dioxide
b. sunlight
c. water
d. glucose
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so u don’t need glucose
This is for an ecosystem project and the ecosystem is the forest, what r 5 producers?
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Answer:
for the forest your primary producers will be any types of plant: trees, bushes, bromelaids, fungi. and liana.
4. While on the Galapagos Islands, Darwin observed variety in one type of
animal that was later used to help him form his theory of natural selection.
Which type of animal was this? *
Finches
Giant turtles
Lemurs
Bananas
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According to the food web diagram, what is the energy role of the bird? *
a-herbivore
b-carnivore
c-producer
d-omnivore
e-scavenger
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Answer:
It seems to be an omnivore.
Explanation:
It eats both seeds and insects, and omnivores eat meat and plants.
How do your results demonstrate independent assortment?
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Answer:
with your big toe treyyyyyy
Explanation:
How are traits
removed from
the gene pool?
A. Organisms with less desirable traits do not reproduce
B. Organisms with less desirable traits reproduce the most
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A. Organisms with less desirable traits do not reproduce
is the answer
Which Hawaiian island is the youngest (newest )?
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Answer:im pretty sure its kauai actually
Explanation:yea i think soo!
Answer:
its hawaii
Explanation:
i hope its correct
plz can i get brainliest:)
how does cancer effect the skin?
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4. Compared with the walls of arteries, the walls of veins
a. are thicker.
c. lack valves.
b. are thinner.
d. have more resistance.
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Mutations within a DNA sequence are natural processes that--
A are usually good.
B are usually bad.
C usually cause cancer.
D produce genetic diversity.
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Answer:
D
Explanation:
Mutations can cause other species to occur, like polar bears. They also cause different genetic traits within a species like different hair color.
Answer:
d
Explanation:
it produces genetic diversity
DON'T GIVE ME A LINK! ANSWER THE QUESTION!
A student wants to use cookies to make a model of the genetic makeup of the offspring of asexual reproduction. He has vanilla cookies and chocolate cookies available. How can he make his model?
A.
Put chocolate cookies in a row with arrows between them showing the progression from parent to offspring.
B.
Use one chocolate cookie parent with arrows showing that it produces vanilla cookies and chocolate cookies as offspring.
C.
Use chocolate cookies and vanilla cookies as the parents, and vanilla cookies and chocolate cookies as the offspring.
D.
Use chocolate cookies and vanilla cookies as parents, and combine half a vanilla cookie and half a chocolate cookie for the offspring.
(sorry if this sounds a little aggressive but I'm tired of people giving links to files that are dangerous for children, especially a site made up for children who knows how old. I don't want anything to happen to them that can traumatize them for the rest of their lives)
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Answer: its D i hope
Explanation:
What effect did an increasing human population have on the sustainability of a managed ebony forest?
A)The ebony forest population increased when managed, even as the human population grew. As the human population grew, forest management caused more trees to be produced.
B) The ebony forest population remained stable when managed, even as the human population grew. Forest management allowed more trees to be grown.
C) The ebony forest went extinct. As the human population grew, it was not possible to maintain the forest, even when it was managed.
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The ebony forest went extinct. As the human population grew, it was not possible to maintain the forest, even when it was managed. That is option C
Forest is one of the renewable resources that needs to be conserved.
This is because the importance of forest to humans, wildlife and the soil can not be over emphasized.
Their benefits include:
They provide a protective cover for the soil against the action of wind and rain.They act as wind-breaks, reducing wind speeds and checking the erosion of the surrounding land.They provide homes for wildlife.When there is increase in human population, the chances of a conserved forest like ebonyi forest to survive is diminished.
This is so because, with the increased population there will be:
Increased demand for timber,Clearing of forest for growing crops, Setting up industries, building roads and houses.Therefore, the government may be forced to clear the forest to attend to the needs of the growing population. This can cause the ebonyi forest to go extinct.
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Is the gene that causes hemophilia recessive or dominant?
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Answer:
hi yep. yes
Explanation:
of course yes
Answer:
dominant
Explanation:
How does oxygen travel through your lung to your muscles?
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Answer:
The oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels. This is known as diffusion. The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell.
Explanation:
A group of students were interested in showing photosynthesis occurring visually. They decided to use bromothymol blue which is an indicator that turns green when there is a high concentration of carbon dioxide and blue when there is a low concentration of carbon dioxide in water. All the tubes started out blue, but students blew carbon dioxide into two of the test tubes turning them green. They left one test tube of each color as their control and put a piece of aquatic plant in the other two tubes. Then, they put all four of these tubes outside (Monday 7 am). When the students checked their tubes in the afternoon (Monday 1 pm), they were so excited to see that tube D had turned blue! Carbon dioxide was going away and being replaced with oxygen. When the students checked their experiment early the next morning, tube B and D had both turned green! Did photosynthesis occur during the experiment? Support your claim with evidence explain your reasoning.
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Answer:
photosynthesis did not occur.. because if photosynthesis had occured oxygen would be produced..but the tubes turned green proving there was more carbondioxide than oxygen Which proves photosynthesis didn't take place.
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As the test tube turned green, it means that photosynthesis did not occur in the test tubes.
What is bromothymol blue?Bromothymol blue (BMB) is a dye that turns yellow when exposed to acid. When carbon dioxide is added to a solution, it produces carbonic acid, which lowers the pH.
When the pH is greater than 7.6, BMB is blue, green when the pH is between 6-7.6, and yellow when the pH is less than 6.
Carbon dioxide dissipates in water to produce a weak acid. As a result, an acid-base indicator like bromothymol blue (BTB) can be used to detect the presence of CO2.
The person basically use bromothymol blue as an indicator to determine how much CO2 remains in test tubes containing light-exposed plants.
Thus, as there were some drawbacks in the experiment, the test tube B and D got green color, which means the level of carbon dioxide were more. This implies, photosynthesis did not occur.
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12. What are the products of this 1st stage of cell respiration?
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Answer:
Cellular respiration is a three stage process your body undergoes to produce ATP. The first of these stages is called glycolysis. Glycolysis is a process that uses sugar to create ATP molecules.
Explanation:
Hope this helped :)
Do you think we should use technology to alter/manipulate our genetic code? Explain.
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Answer: Yes and No
Explanation: I think that we should use technology to alter our genetic code if someone is ill/sick because it is actually beneficial, but I think we shouldn't dive too deep or get lost in altering genes because it can cause unintended consequences.
Explanation:
When we can govern the very biology that makes us who we are, what will it ... Technology Will Soon Give Us Precise Control Over Our Brains and Genes ... to manipulate these elements for medical purposes, do we not risk altering who we are? ... I feel a responsibility to at least explore what it would it take for the science .
How does your nose filter the incoming air?
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The inside of your nose is called the nasal cavity. A mucous membrane lines your nasal cavity and it helps keep your nose moist. Little hairs inside your nasal cavity help filter the air you breathe in and block dirt and dust from getting into your lungs.
Here's the link for you to go more in-depth on your own. http://sciencenetlinks.com/student-teacher-sheets/mechanics-respiration/#:~:text=The%20inside%20of%20your%20nose,from%20getting%20into%20your%20lungs.