Answer:
Some otters live in large groups while others live completely alone or with only one or two others. They like to live in groups that are up to 100 in size called rafts.
Explanation:
Is a red blood cell bigger than a skin cell
Red blood cells are generally smaller than skin cells. They both have distinct roles within the body; red blood cells carry oxygen while skin cells provide a protective barrier.
Explanation:Typically, a red blood cell is smaller than a skin cell. Red blood cells have a diameter of approximately 6 to 8 micrometers, while the size of skin cells varies but can be up to 30 micrometers in diameter. Red blood cells and skin cells both have specialized roles within the body. Red blood cells are responsible for carrying oxygen from the lungs to the rest of the body while skin cells serve to protect the body from the external environment.
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The formation of ova, or female reproductive cells, occurs when diploid germ cells undergo meiosis. In female swamp wallabies (Wallabia bicolor), diploid germ cells contain 101010 chromosomes.
At the beginning of meiosis I, a female wallaby germ cells contains
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
101010 homologous pairs of chromosomes comprising a total of 202020 chromatids
(Choice B)
B
555 homologous pairs of chromosomes comprising a total of 202020 chromatids
(Choice C)
C
101010 homologous pairs of chromosomes comprising a total of 101010 chromatids
(Choice D)
D
555 homologous pairs of chromosomes comprising a total of 101010 chromatids
At the beginning of meiosis I, a female wallaby's germ cell contains 10 homologous pairs of chromosomes and a total of 20 chromatids, making option A the correct choice.
The formation of ova, or female reproductive cells, in female swamp wallabies (Wallabia bicolor), involves diploid germ cells with 10 chromosomes each. At the start of meiosis I, these germ cells will have 10 homologous pairs of chromosomes. Since each chromosome is replicated before meiosis begins, this will result in 20 chromatids in total. Therefore, the correct answer to the question is that a female wallaby germ cell contains 10 homologous pairs of chromosomes comprising a total of 20 chromatids at the beginning of meiosis I. This is option (Choice A).
Referring to the article, which of the following is associated with the use of genetic engineering to clone farm animals?
Answer: A
Explanation:
Answer:
D. All of these
Explanation:
Study Island
Plss mark brainlist
Researchers have noticed that some men who were sterile because their sperm cells were unable to move also had chronic infections of the respiratory tract? What might be the connection between these two symptoms?
Answer:
Kartegener's disorder
Explanation:
The respiratory tract has cilia which move. Sperms also have a tail that moves. They both have the same protein in their structure called microtubules. There is a disorder in which there is the absence of a part in the microtubule. Dynein arms absent in microtubules. Because the respiratory system and sperm both contain cilia that's why these two systems have a connection and not work properly.
the offspring between 2 black mice show the ratio of 3 black mice to 1 white mouse...
a) which trait is dominant?
b )what must be the genotypes of the parents ?
Answer: A) Black trait is dominant
B) The genotypes of the parents must be Bb
Explanation: Let B represent the allele for black colour and b represent the allele for white colour. If the offspring between 2 black mice show the ratio of 3 black mice to 1 white mouse, it then means that the two parents are heterozygous for black colour, that is each of them have one allele for black colour (B) and one allele for white colour (b). They both have a genotype of Bb.
Bb x Bb = BB, Bb, Bb, and bb.
This means 1BB : 2Bb : 1bb
BB is black, Bb is black while bb is white which gives a ratio of 3 black mice to one white mouse. For Bb to manifest as black, it means that B is dominant to b.
if zebra mussels were introduced to a new lake, what would be the most likely result?
Answer:
C
Explanation:
The mussel is in a new lake, therefore he has new food to eat
1. Which is the most likely result
of not conserving energy?
a. improved fuel efficiency
b. improved air quality
c. decreased energy costs
d. decreased supply of energy
Answer:
d. decreased supply of energy
what adverse effect will felt on ecosystem if there is more producers than consumers
Final answer:
An imbalance with more producers than consumers in an ecosystem can lead to oxygen depletion, disrupt the food web, and cause a shortage of nutrients due to overabundance of producers and insufficient herbivory.
Explanation:
In an ecosystem, the balance between producers and consumers is critical for its health and sustainability. If there were more producers than consumers, several adverse effects could become apparent. For instance, without enough consumers to eat them, plants or grasses in the ecosystem might become overly abundant, potentially leading to oxygen depletion which can cause die-offs in aquatic systems. This imbalance can disrupt the food web and may result in a pyramid of predators, stressing that predators are usually fewer than producers for efficient ecosystem function. Additionally, the excessive multiplication of producers, without sufficient consumption by herbivores, could cause a shortage of nutrients for the producers themselves, eventually affecting the entire system negatively.
Which of the following is NOT a product of glycolysis?
a. pyruvic acid
c. glucose
d. NADH
Answer:
glucose
Explanation:
Describe the most modern humans in terms of brain size, walking position, jaw size ,and use of hand
Most of the parts of human varies from one to another.
Explanation:
The human brain estimates on normal about 1.5 kg (3.3 lb). In men, the common weight is regarding 1370 g and in women regarding 120 g. People move like an inverted swinging oscillator, with the body essentially pivoting above the point where the foot meets the ground below. Normal-sized mandible should have a length within or above 17.22–19.33 cm in men and 16.44–18.67 cm in women We use hands to protect ourselves, play musical tools and sign language.Modern humans (Homo sapiens) have evolved distinctive features such as larger brain size, upright walking position, smaller jaws and teeth, and hands with increased manual dexterity and precision grip, which aid in tool use and intricate tasks.
Modern humans, classified as Homo sapiens, exhibit a variety of characteristic features that differentiate them from their ancestral species. The evolution of modern humans over the last 800,000 years has led to changes in brain size, walking position, jaw size, and the use of hands. One of the most prominent features is the significantly larger brain size compared to earlier hominins, with an average cranial capacity increase noted over the course of human evolution.
Modern humans have an upright walking position, which is facilitated by an anatomical structure that includes an enlarged lumbar and sacral bodies and a sacral curve. This bipedal locomotion became a defining trait early in hominin evolution. The facial structure of modern humans is also distinct, with smaller jaws and teeth, and a less robust face than their predecessors. The smaller sizes of these features indicate a dietary shift and the decreased need for heavy-duty chewing apparatus.
Finally, modern humans have hands that exhibit increased manual dexterity, characterized by longer, more dexterous thumbs and shorter fingers. This allows for a precision grip that is conducive to tool use. The evolution of our hands has been critical, as it has freed them for intricate tasks and the manipulation of objects, which has likely played a key role in the development of our species' unique cognitive abilities.
How does incoming solar radiation change with latitude?
The mid-latitudes receive the most solar energy.
Higher latitudes receive the least amount of solar energy.
The equator receives the least amount of solar energy.
The poles receive the most solar energy.
Equatorial regions receive the most solar energy due to direct insolation. As you move towards higher latitudes, solar energy received decreases due to the obliqueness of the solar rays. Hence, poles receive the least solar energy.
Explanation:The incoming solar radiation, also known as insolation, changes significantly with latitude. At the equator, which is 0 degrees latitude, the sun's rays are most direct and thus, it receives the most solar energy. As the latitude increases, the angle at which solar radiation reaches the Earth decreases, reducing the intensity of the solar energy received.
When you move towards the higher latitudes, towards the poles, the amount of solar energy received decreases because the sun's rays hit the earth at a lower angle, spreading the energy over a larger area. Therefore, the poles receive the least amount of solar energy. Mid-latitudes receive less solar energy than the equator but more than the poles.
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The law of segregation deals with which of the
following?
A. the separation of alleles during meiosis
B. the separation of daughter cells during
n mitosis
c)the separation of homologous chromosomes
during mitosis
D. the separation of homologous chromosomes
during meiosis
Answer:
A
Explanation:
Answer: Option A. The separation of allele during meiosis.
Explanation:
Law of segregation states that each individual has two allele which segregate during meiosis and in result each gamete has one allele.
The system of the body eliminates liquid waste products.
Answer:
the urinary system
Explanation:
Identify two life functions involved in meeting the
energy demands of a cell or an organism
Answer:
Respiration and photosynthesis.
Explanation:
Respiration provides the cell with oxygen while photosynthesis provides it with carbon dioxide. Both functions release what is needed for the other. Therefore, these functions interact.
The two life functions should be Respiration and photosynthesis.
The following information should be considered:
Respiration gives the cell along with oxygen.While on the other hand, photosynthesis gives it with carbon dioxide.Therefore, the above two life functions should be involved in the meeting out the energy demands.Learn more: https://brainly.com/question/4804019?referrer=searchResults
What's your philosophy in life?
Answer:
My philosophy in life is to learn something everyday, to take care of my physical and mental health, and to enjoy life serving God.
Philosophy involves critical thinking to explore foundational questions about life, ethics, and society. It guides personal values and actions, with historical figures like Socrates, Plato, Aristotle, and Emerson offering diverse perspectives on living a good and ethical life.
Philosophy encourages critical thinking and seeks answers to foundational questions about life, knowledge, and the social aspects of human existence. Engaging with these questions in a philosophical way helps us to understand the values that guide our lives and societies. For instance, Socrates posited that the unexamined life is not worth living, emphasizing the importance of self-reflection and seeking knowledge.
His successors, Plato and Aristotle, explored the concepts of an ideal society and personal excellence, suggesting that a good life is one lived ethically and in pursuit of eudaimonia (flourishing). They saw philosophy as an essential tool for understanding ethics, and consequently, how we interact with others and the world.
Ralph Waldo Emerson, echoing a naturalistic philosophy, suggests living a modest, moral life in harmony with nature, promoting health and well-being. Answering what one's philosophy of life is would involve examining personal values, strategies for living, and ethical considerations in alignment with protecting and respecting life and nature.
(04.04 LC)
Match the term with its description.
Match Term Definition
Anaerobic respiration A) The production of energy without the presence of oxygen
Pyruvate B) The chemical breakdown of a substance
Aerobic respiration C) The breakdown of food to create energy in the presence of oxygen
Fermentation D) An organic molecule that occurs as an intermediate in many metabolic processes
Answer:
A) The production of energy without the presence of oxygen - Anaerobic respiration
B) The chemical breakdown of a substance - Fermentation
C) The breakdown of food to create energy in the presence of oxygen - Aerobic respiration
D) An organic molecule that occurs as an intermediate in many metabolic processes - Pyruvate
Explanation:
A) Anaerobic respiration is a type of cellular energy production that occurs in the absence of oxygen. it is much less efficient than aerobic respiration (see question C). In cellular respiration, cells produce ATP, which is the "currency" of energy in the cell, by breaking down glucose. ATP is required to carry out the normal functions of a cell.
As it is much less efficient than aerobic respiration, it produces much less ATP. However, when there is no oxygen, it is the only choice. An example is when muscle cells are working very hard and use up all the oxygen in the tissue. To keep producing some energy, they undergo anaerobic respiration, which only produces 2 molecules of ATP for every molecule of glucose.
B) In respiration, Fermentation is a pathway of breaking down glucose into chemical energy that occurs in the absence of oxygen. Anaerobic respiration can lead to two types of fermentation, lactic acid fermentation (described above) and ethanol fermentation which is another type of anaerobic respiration in which fungi (such as yeast) break down glucose into ethanol, producing 2 molecules of ATP carbon dioxide as a by-product. This is how we make bread and beer!
C) Aerobic respiration is cellular respiration in the presence of oxygen. It creates a net gain of 36 molecules of ATP, compared to the 2 ATPs created without oxygen. This is because in aerobic respiration, the oxygen acts as a final electron acceptor for the electron transport chain. In its absence the electron transport chain cannot proceed. The electron transport chain is how cells generate most of their chemical energy.
D) Pyruvate is an important molecule in the process of respiration. Both aerobic and anaerobic respiration begin with the same process, glycolysis. Glycolysis is the process by which 1 molecule of glucose is broken down into two molecules of pyruvate - a metabolic intermediate. This releases 2 molecules of ATP. In the presence of oxygen, pyruvate is oxidised and enters the Krebs cycle, which makes a series of compounds that donate electrons to the electron transport chain, which produces extra ATPs through oxidative phosphorylation.
In the absence of oxygen, pyruvate is converted either to lactic acid or ethanol by fermentation
Answer:
ExplanatA) The production of energy without the presence of oxygen - Anaerobic respiration
B) The chemical breakdown of a substance - Fermentation
C) The breakdown of food to create energy in the presence of oxygen - Aerobic respiration
D) An organic molecule that occurs as an intermediate in many metabolic processes - Pyruvate
Explanation:
A) Anaerobic respiration is a type of cellular energy production that occurs in the absence of oxygen. it is much less efficient than aerobic respiration (see question C). In cellular respiration, cells produce ATP, which is the "currency" of energy in the cell, by breaking down glucose. ATP is required to carry out the normal functions of a cell.
As it is much less efficient than aerobic respiration, it produces much less ATP. However, when there is no oxygen, it is the only choice. An example is when muscle cells are working very hard and use up all the oxygen in the tissue. To keep producing some energy, they undergo anaerobic respiration, which only produces 2 molecules of ATP for every molecule of glucose.
B) In respiration, Fermentation is a pathway of breaking down glucose into chemical energy that occurs in the absence of oxygen. Anaerobic respiration can lead to two types of fermentation, lactic acid fermentation (described above) and ethanol fermentation which is another type of anaerobic respiration in which fungi (such as yeast) break down glucose into ethanol, producing 2 molecules of ATP carbon dioxide as a by-product. This is how we make bread and beer!
C) Aerobic respiration is cellular respiration in the presence of oxygen. It creates a net gain of 36 molecules of ATP, compared to the 2 ATPs created without oxygen. This is because in aerobic respiration, the oxygen acts as a final electron acceptor for the electron transport chain. In its absence the electron transport chain cannot proceed. The electron transport chain is how cells generate most of their chemical energy.
D) Pyruvate is an important molecule in the process of respiration. Both aerobic and anaerobic respiration begin with the same process, glycolysis. Glycolysis is the process by which 1 molecule of glucose is broken down into two molecules of pyruvate - a metabolic intermediate. This releases 2 molecules of ATP. In the presence of oxygen, pyruvate is oxidised and enters the Krebs cycle, which makes a series of compounds that donate electrons to the electron transport chain, which produces extra ATPs through oxidative phosphorylation.
In the absence of oxygen, pyruvate is converted either to lactic acid or ethanol by fermentationion:
When water vapor cools, it condenses.
Which number represents this process on the hydrologic cycle diagram?
1
2
3
4
Answer:
1
Explanation:
sorry the second 1 by the mountain
Answer:
answer is 2
Explanation:
The middle lamella _____.
A.attaches plant cells to one another
B.stores water inside the plant cell
C.captures sunlight for use in photosynthesis
D.surrounds and protects the chloroplast
Answer:
A - attaches plant cells to one another
Explanation:
The middle lamella is a layer which attaches plant cells together. During cytokinesis, it is the first formed layer which is deposited.
Answer:
what they said
Explanation:
How do humans increase the rate of the water cycle?
A) burning fossils fuels
B) clearing farmland
C) growing food in gardens
D) damming rivers
What is the relationship between cell division and growth?
Answer:
The relationship between cell division and cell growth is that cell division needs to occur for the cells to divide and grow individually.
Explanation:
cell division refers to the process by which the mother cells divides into two daughter cells and cell growth refers to the process by which the size of the cell increases as it grows. They are two different but important and interlinked processes in the cell cycle. They depend on each other as failure in one will lead to failure in the other process too. The cell needs to grow proper in order to divide and create more cells.
Cell division is essential for growth as it allows an organism to increase in size and develop new tissues and organs. The process involves the generation of two daughter cells with identical genetic material. The cell division cycle consists of interphase and the mitotic phase.
Explanation:Cell division plays a crucial role in growth. When cells divide, they generate two daughter cells with the same genetic material. This process allows an organism to increase in size and develop new tissues and organs. The cell division cycle consists of interphase, during which cells grow and DNA is replicated, and the mitotic phase, where the replicated DNA and cytoplasmic contents are separated to form new cells.
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The direction in which heat flows between two bodies depend on their
Depends upon the temperature of neighboring elements
Explanation:
The equations of heat flow in solids does not depend on which way flows up. The direction of heat flow in a small element within a solid depends on the temperature of its neighboring elements. It is due to the fact that only neighboring element can decide that heat can pass from the system or into the system.Heat normally flows from hot substance to cold substance.explain Lamarks ideas about how organisms changed over time
Answer: lamark uses the process called evolution, He believed that organisms could change the traits or habits that they expressed during their lifetimes, and that these changes would then be passed on to the next generation.
The DNA sequence TTG is changed to TCG and produces a new protein. Which type of mutation is this?
missense
nonsense
silent
frameshift
Answer: missense
Explanation:A missense mutation is a type of mutation in which there is a change in one single nucleotide in a DNA sequence which results in an altered mRNA sequence and consequent incorporation of wrong amino acid into the amino acid sequence of a protein. The single nucleotide change in DNA results in a different codon on the mRNA sequence and this leads to production of a protein that is different from the original protein. This change can affect the function of the protein, in most cases it makes the protein nonfunctional.
Elisa was walking through her neighborhood one afternoon and came upon a cat that was stuck under a fallen tree branch. The branch was large and heavy, but Elisa was able to lift it and free the cat.
Which gland helped Elisa to lift the branch?
Answer:Adrenal glands
Explanation:
They release adrenaline.
Biology, Medicine, or Engineering?
Choosing between Biology, Medicine or Engineering depends on personal interests and career goals. Medicine is suitable for those interested in healthcare and helping others. Biology offers diverse careers in research, pharmaceuticals, and environment. Engineering, particularly Bioengineering, combines engineering and biology to solve medical problems.
Explanation:The question of choosing between Biology, Medicine, or Engineering depends on your interests and career aspirations. If you are fascinated by how the human body works, and you're interested in helping people improve their health, a career in Medicine might be the right path for you. On the other hand, Biology can lead to a variety of careers including research, pharmaceuticals, and environmental conservation, among others.
If you're more inclined towards designing and creating innovative solutions, a career in Engineering could be a match. Specifically, Bioengineering is a field that combines the principles of engineering and biology to solve medical and health-related problems. This involves working with physicians and healthcare specialists to design and develop devices and systems that can diagnose diseases or manage patient health. Examples of this work include the development of prosthetic limbs and health management systems.
Ultimately, deciding between these fields requires a thorough understanding of what each entails and introspection into your interests and career goals. It may be beneficial to seek advice from academic advisors or professionals in the fields to make an informed decision.
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How might being able to dive into very
deep water be an advantage for whales such as
the sperm whale?
How might being able to dive into very
deep water be an advantage for whales such as
the sperm whale?
Answer:
One common theory is that the fluid—which hardens to wax when cold—helps the whale alter its buoyancy so it can dive deep and rise again. Sperm whales are known to dive as deep as 3,280 feet in search of squid to eat. These giant mammals must hold their breath for up to 90 minutes on such dives
Explanation:
The capability to dive into very deep water be an advantage should be described below:
Advantage for whales like the sperm whale:
The one common theory is that the fluid that represent the hardens to wax at the time of cold it helps the whale alter its buoyancy due to this it can dive deep and rise again. Sperm whales are called to dive since deep as 3,280 feet in search of squid to eat. Due to this, these giant mammals should hold their breath till 90 minutes on such divesFind out more information about the whale here: https://brainly.com/question/11970744?referrer=searchResults
Vomiting is a response that allows animals to
throwing up helps animals to get rid of food that may have been poisonous
These elements are located to the right of the dividing line. Nitrogen (N), oxygen (O), fluorine (F), chlorine (CI), and the noble gases (in
the last column) are gases at room temperature. Bromine (Br) is a liquid, while all other nonmetals are solid. These elements do not
conduct electricity.
A. transition metals
B. metalloids
C. alkaline earth metals
D. nonmetals
Yo sup??
the answer is option D ie
non metals
because non metals do not conduct electricity unlike others mentioned in the options
Hope this helps
Answer:
These elements are located to the right of the dividing line. Nitrogen (N), oxygen (O), fluorine (F), chlorine (CI), and the noble gases (in the last column) are gases at room temperature. Bromine (Br) is a liquid, while all other nonmetals are solid. These elements do not conduct electricity.
none metals
Explanation:
Only none metals does not conduct electricity as they do not donate proton
Which statement best describes part of the human
reproductive process?
Explanation:
estrogen in concentrations that would produce sperm in a
female
a high progesterone level in a male a low insulin level in either a male or a
Final answer:
The pituitary gland initiates puberty and releases LH and FSH, which stimulate the ovaries and testes to produce sex hormones, regulating gamete production. This leads to the production of a zygote when a sperm fertilizes an egg.
Explanation:
The gland that initiates puberty and releases hormones is the pituitary gland. During puberty, the pituitary gland secretes hormones like luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which stimulate the ovaries and testes. In response, the ovaries produce hormones such as estrogen and progesterone, and the testes produce testosterone. These hormones regulate the production of gametes, which are sperm in males and eggs (oocytes) in females. Egg production is a complex process that begins before birth and is arrested during meiosis until puberty, at which point it continues with each menstrual cycle, leading to the release of one egg during ovulation.
Male and female reproductive systems work together to produce a zygote, the initial cell formed when a sperm cell from the male merges with an egg cell from the female. Key processes include the formation of sperm and eggs, their transportation to enable fertilization, and the subsequent implantation and development of the zygote into a new individual.
whixh two actuons would most likely lead to aj i crease of carbon dioxide levels in the atmosphere
Answer:
fire
Explanation: