Answer:
(a) Allen's rule
Explanation:
It is a heat-conservation mechanism that prevents heat loss from the body. Heat gain and heat loss can be maximised and minimised by lowering the surface area to volume ratio of the body. Small animals are uncommon in the polar regions due to their larger surface area and lower volume.
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Answer:
Allen's rule
Explanation:
In colder climates they need more heat to warm their bodyIn order to not lose more heat from body they have shorter limbs by which they get lower surface areaIn the process of ————. DNA is used as a template for making another type of Nucleic acid?
Answer:
transcription, RNA
Explanation:
Which of the following best describes the part of the blood composition that forms clots around wounds to prevent blood loss? Plasma Platelets White blood cells Red blood cells
Answer:
Platelets
Explanation:
Platelets are small pieces of dead blood calls that clump together to form a netting also known as a scab. These scabs stop bleeding, preventing every wound from being fatal and allowing the body time to heal.
Small fragments of dead blood cells called platelets collect together to form a netting, also known as a scab. Because these scabs stop the bleeding, no cut becomes fatal, and the body has time to heal. Thus, option B is correct.
What role of Platelets in clots around wounds?Blood clotting is the main function of platelets, also known as thrombocytes. Compared to other blood cells, platelets are significantly smaller.
In order to stop bleeding, they congregate to create clumps or plugs in the hole of a vessel.After the wound has healed, your body will often spontaneously dissolve the blood clot.
Therefore, As soon as the vessel's margins are broken, platelets start to stick to them and release chemicals that draw in additional platelets. External bleeding stops as soon as a platelet plug forms.
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the remaining 16 elements must be?
answer explanation:
All group 16 elements combine with hydrogen to form hydrides. Acidic nature and bent shape decrease from water. The H-E bond length increases as the bond dissociation enthalpy decrease down the group. Thermal stability and reducing character also decreases because the H-E bond length increases down the group.
In the film, Paine recalls that a year after the starfish had been removed, the number of species decreased from 15 to eight, after three years the number went down to seven, and after another seven years it was almost all only mussels. In the control plots, the number and diversity of species were basically unchanged. Which statement(s) best explain(s) these results?
a. Keystone species are critical to the diversity and stability of an ecosystem.
b.When a predator is removed, the prey of that predator always increases, and species not eaten by the predator always decrease.
c. The disappearance of producers from an ecosystem can cause the number of predators to increase
Answer:
please can you short the question , because I don't understand it
give Two differences between monocotylidon and dycotiledon.
Answer:
In the screenshot
Explanation:
Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!
A growth chart is used in monitoring the growth and development of a child. the star on the chart represents a girl who is at the doctor for a routine check-up. judging by the location of the star, should the doctor conduct tests to examine her pituitary gland?
No, her height is within normal range, and her pituitary gland is working normally.
Why is the pituitary gland called the master gland?The pituitary gland is occasionally called the "master" gland of the endocrine system because it maintains the functions of many of the other endocrine glands.
The pituitary gland is no larger than a pea and is found at the base of the brain.
Thus, her height is within normal range, and her pituitary gland is working normally.
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Can someone make me a storyline about protist? It doesn’t have to be a whole story but something I can go off of?
Answer:
Protists are a diverse collection of organisms that do not fit into animal, plant, bacteria or fungi groups. While exceptions exist, they are primarily microscopic and made up of a single cell (unicellular), according to the educational website CK-12.
Identify when genetic recombination occurs in meiosis. Enter your answer in the space provided
Genetic recombination occurs during the Prolonged Prophase of Meiosis I.
What is genetic recombination?Genetic recombination occurs during the Prolonged Prophase of Meiosis and it is the process in which deoxyribonucleic acid (DNA) are broken into pieces and this piece recombines to form a new combinations of alleles.
This recombination is what leads to creating genetic diversity.
Therefore, Genetic recombination occurs during the Prolonged Prophase of Meiosis I.
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The genetic recombination occurs in meiosis during the stage of Prophase I.
What do you mean by Genetic recombination?
Genetic recombination may be defined as the conditions when the molecules of the DNA exchange their genetic material with each other.
This process of genetic recombination also known as crossing over, which is responsible for the genetic diversity among individuals.
Genetic recombination occurs when homologous chromosomes are arranged in pairs and interchange the segments of the DNA.
Therefore, genetic recombination occurs in meiosis during the stage of Prophase I.
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What are the steps for DNA amplification process/experiment?
Please help me
Thanks
________ exists when the immune system does not respond to a particular antigen.
Answer:
tolerance exists when the immune system does not respond to a particular antigen.
how are volcanoes like windows to the inside of Earth
Answer:
They emit steam and volcanic gases, such as sulfur dioxide and carbon dioxide. Fumaroles create pathways for rising heat, volcanic gas, and magma. Openings stemming down into the pool of magma. Cracks and fumaroles act like a window so scientists can get a glimpse of the gases inside volcanoes.
Explanation:
The heart is a cone-shaped muscular organ located within the.
Answer:
mediastinum of the thorax.
Explanation:
Mark brainliest
What was the experience like traveling west on the wagon trail?
Answer:
horrific.
Explanation:
not only did some people end up running out of food, but they saw their loved ones die from disease, being too cold, malnutrition, the ride was obviously not at all smooth, there could have been massive snow/rain storms. not a good time.
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Can someone please help me? :(
Answer:
B i think or C
Explanation:
Because in the way I am thinking it's B, "School cooks should be educated on allergies to peanuts." It makes the most sense
Answer: b
Explanation:
it can't be a since source 2 says "few people recognize..." which contradicts "students know what to do..."
it can't be c because there is no source comparing peanut allergies now vs. past.
it can't be d because you cannot infer this from the given data.
leaving us with b because since a majority of peanut allergies happen at school and not many know how to deal with an event with a peanut allergy, then teaching cooks about peanut allergies will help students in the case of an allergic reaction in school.
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What gas in the air is used by plants to make their own food?.
Carbon dioxide
_________________
Answer:
Carbon Dioxide
Explanation:
they breathe in carbon dioxide and give out oxygen as a waste product for them, so the answer is Carbon Dioxide.
Hope this helps :D
Did darwin first believe that each finch he found was a different species? was he right or wrong?.
Answer:
Wrong
Explanation:
Movement of phloem sap from a source to a sink ________.
Bulk flow refers to the movement of phloem sap from a source to a sink in plants.
What is Phloem?This is a vascular tissue found in plants which helps to transport and distribution of the organic nutrients derived from photosynthesis.
Bulk flow occur when these nutrients present in the phloem sap are moved from source to sink.
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What are clastic rocks formed from?
A. fragments of minerals or rocks
B. heat and pressure applied to an existing rock
C. mineral grains that precipitate by evaporation or another type of chemical event
D. the remains of animals and plants
How the circulatory and respiratory systems work together to deliver oxygen to the body’s tissues
Answer:
The circulatory system circulates the blood to the whole body.
The respiratory system brings oxygen to the blood, and the circulatory system circulates the oxygenated blood to the cells.
Explanation:
When pigs reproduce, which two types of cells pass on information from the pigs to the piglets?
Answer:
nuclei
Explanation:
Nuclei male and nuclei female to create a zygote
The two type of cells that pass on information from the pigs to the piglet is the male and female reproductive cells.
What is male and female reproductive cell?The male and female reproductive cell contains information about the parents that are passed on to the offspring.
The piglet inherit some genes from both parents through their cells.
Therefore, The two type of cells that pass on information from the pigs to the piglet is the male and female reproductive cells.
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How does the Hardy-Weinberg equation work? With only the information q2=0.0036, how do I find the other numbers? I would greatly appreciate it if someone could help explain this to me, I have been stuck on this for a while. Thank you :))
Answer:
We can find the value of p and q with the following 2 formula.
p + q = 1 and p2 + 2pq + q2 = 1
Explanation:
Here,
q2=0.0036
So, q = [tex]\sqrt{0.0036}[/tex] = 0.06
Using formula, p + q = 1
p = 1 - q
p = 1 - 0.06
p = 0.94
So, based on the value of p and q you can find other required solutions.
Which type of nutrient functions primarily as an energy source for cells?.
Answer:
The answer is Carbohydrates.
Explanation:
They are one of the most important nutrient.
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The use of dna fingerprinting relies on the fact that:.
Which process do you think offers a greater chance of nondisjunction—mitosis or meiosis? explain your answer
What name is given to the specific location of a gene on a chromosome?
Answer: A locus is the specific physical location of a gene or other DNA sequence on a chromosome, like a genetic street address. The plural of locus is "loci".
The name which is given to the specific location of a gene on a chromosome is called Locus.
What do you mean by Chromosomes?Chromosomes may be defined as a stringy structure of nucleic acids and protein located in the nucleus of most living cells, bearing genetic information in the form of genes.
Locus may be defined as a specific place on a chromosome that is occupied by an allele. It represents the physical site of a specific gene on a chromosome.
Therefore, the name which is given to the specific location of a gene on a chromosome is called Locus.
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What kind of reaction is used to release glucose units from glycogen?
Answer:
phosphorolysis
Explanation:
The enzyme glycogen phosphorylase catalyzes a reaction in
glycogen breakdown.
Glycogenesis is the reaction is used to release glucose units from glycogen.
What is end prouct of glycogen breakdown?Glucose phosphate-1 and glycogen residue are the end products.
In cytosol glycogen breakdown is carried out by two enzymes, glycogen phosphates ae the linear.
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Which of the following is least involved in the mechanical breakdown of food, digestion, or absorption?.
Answer:
Esophagus
Explanation:
In the digestion and absorption of food, the esophagus is the least involved.
It is a part of the digestive system, but all it does is simply pass the food down to the stomach.
The one that is least involved in the mechanical breakdown of food, digestion, or absorption is esophagus. The correct option is d.
Even though it is a vital component of the digestive system, the esophagus plays a much smaller role in the mechanical digestion of food than the other alternatives.
A muscular tube called the esophagus moves food from the mouth to the stomach by a process known as peristalsis, which calls for repetitive muscle contractions.
Its main job is to push food down the digestive tract so that it can travel more easily. Food is mostly mechanically broken down in the mouth while being chewed by the teeth and in the stomach while being churned by muscles.
The majority of digestion and nutrient absorption occurs in the small intestine.
Thus, the correct option is d.
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Your question seems incomplete, the probable complete question is:
Which of the following is least involved in the mechanical breakdown of food, digestion, or absorption?.
a) Stomach
b) Teeth
c) Small intestine
d) Esophagus
How many letters does the eye normally take in at each fixation point before moving on to the next fixation point?.
Answer:
three to four letters to the left before it jumps over to the next fixation point.
Explanation:
The eye usually takes about seven to eight letters fixation to the right and around four to five letters fixation to the left before it moves to the next point of fixation.
What is the role of cells in vision?Two types of specialized cells are found in the eye for vision. These are named as rods and cones. These cells are called as photoreceptors as they are sensitive to light and thus functions in response to light.
Rod cells function in response to dim light and thus are active during the night time whereas cone cells impart colour vision.
These photoreceptor cells detect the light and convert them into electrical signals. Such electric signals travel to the brain from the retina through optic nerve. Brain thus helps in the perception of objects.
Defects in the rod cells leads to night blindness. It is also due to the deficiency for vitamin A which is pre-requisite for the activation of rod cells. Colour blindness (inability to distinguish between primary colours) can result if the cone cells are damaged.
Thus, photoreceptors cells are important in vision and image formation.
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Which change in dna will cause a heritable germline mutation.
The answer will be :
Paternal exposure to high level of radioactive
it causes heritable germline minisatellite mutation.
What is DNA like in a city?