Can someone plz help me plz
How the respiratory system and circulatory system work together to supply the body with oxygen and to remove waste from the body?
Together, the circulatory and respiratory systems assist eliminate waste carbon dioxide from the tissues and deliver oxygen to the tissue.
The respiratory system is the one that helps to inhale oxygen and exhale carbon dioxide. And the circulatory system is the system that helps to supply oxygen from the lungs to tissues and helps to remove carbon dioxide from the tissue via the lungs. Both these process helps to supply oxygen in this way and helps to remove carbon dioxide as a waste.
First, the oxygen inhaled will be transported to the lungs and this oxygen will be exchanged with the blood that brings the waste (CO₂) from the tissue via the heart. Then, the oxygen will be transported to the heart from where the oxygenated blood will be supplied to the tissues. And the waste from the tissue will be carried via deoxygenated blood.
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What is Mendel's law ?
The two inheritance laws that Gregor Mendel found in his research with pea plants are known as Mendel's laws. The law of segregation and the law of independent assortment is these laws.
According to the law of segregation, two alleles of a particular gene separate from one another throughout the development of gametes, resulting in only one allele being present in each gamete. This indicates that just one allele from each parent is passed on to the offspring for a particular gene when the gametes combine at fertilization.
The law of independent assortment: This law states that the inheritance of one trait does not affect the inheritance of another trait. In other words, the alleles for different traits are inherited independently of one another.
Together, Mendel's laws of segregation and independent assortment provide a framework for understanding how traits are passed down from one generation to the next, and how genetic diversity is generated within a population.
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How many archaebacteria species are there
Please help
Which type of wave is used in sonar to detect objects?(1 point)
Answer: sound waves
Explanation:
How is natural selection different from genetic engineering?
Genetic engineering uses a process of insertion of genetic material, which does not occur in nature, by a gene gun or other direct gene introduction methods, or by a specially built bacterial truck.
With the aid of sexual and asexual reproduction that occurs naturally, conventional breeding mostly relies on selection. In order to create the desired crops more quickly than through selective breeding, genetic engineering involves directly changing an organism's DNA.
Any form of selection that results from an organism's capacity for environmental adaptation is known as natural selection. Contrarily, artificial selection is selective breeding that is imposed by a third party, typically humans, in an effort to increase the frequency of desirable traits.
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In rabbits, coat color is determined by one gene with at least 4 different alleles. The table shows the phenotypes for pairings of alleles.
2. What is the order of dominance of the 4 alleles?
Answer:
Full color is a dominant allele of C
Chinchilla has to have a recessive allel of c^ch
Himalayan must have a recessive of c^h
Albino has a recessive allele of c
Explanation:
In complete dominance, one allele completely masks the expression of another allele, which is evident in heter0zyg0us individuals. The order of dominance refers to which allele dominates over which. C>>C-ch>>C-h>>c.
------------------------
When genes express complete dominance, it means that the dominant allele completely masks the expression of the recessive allele.
This is the case of individuals that are heter0zyg0us for a particular gene and express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
Many genes show complete dominance.
When a gene is multiallelic, we can talk about the order of dominance.
This means that one allele hides the expression of another allele, and there is a third allele that can inhibit the first two, and so on.
For a better understanding, let us analyze the rabbits' example.
The gene that codes for coat color has four alleles.
CC-chC-hcAccording to the image, we know that
⇒ Individuals that express full color have the following genotypes
C C, C C-ch, C C-h, C cWe can see that the C allele is present in all these genotypes, which suggests that this is the dominant allele and hides the expression of all the other alleles.
****C dominates over C-ch, C-h, and c alleles. *****.
⇒ Individuals that express chinchilla color have the following genotypes
C-ch C-chC-ch C-hC-ch cAs we can see, the allele C-ch is always present, meaning that it dominates over C-h and over c alleles.
*****C-ch dominates over C-h and c alleles******
⇒ Hymalayan individuals have the following genotypes
C-h C-hC-h cFrom these genotypes we can assume that C-h dominates over c allele.
⇒ Albino genotype is cc, meaning that the allele c is the recessive one.
According to this analysis, we could assume that the order of dominance is as follows,
C >> C-ch >> C-h >> cThe symbol >> means that the firts allele dominates over all the following ones.
C dominates over ⇒ C-ch, C-h, cC-ch dominates over ⇒ C-h, cC-h dominates over ⇒ cc is the recessive allele-----------------------------------
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After jogging in place for two minutes, Pauline & Jerry noticed that they were out of breath. Explain why their bodies needed more oxygen while exercising.
Answer:
Jogging (exercising) increases the metabolic rate in the organism, and hence, its oxygen necessities. The more ATP the body consumes, the more oxygen it needs.
Explanation:
Oxygen and glucose are the basic components to produce energy. Activities such as heart bombing, or pulmonary inhaling-exhaling, among others, constantly consume energy, which is why more oxygen is needed.
While jogging, muscles need to consume more oxygen to produce ATP as a source of energy. When exercising, muscles work harder and faster than while in rest. More ATP is needed as the metabolic rate increases. Cells produce more ATP to cover the increase in metabolic rate. But to produce ATP, cells need to consume more oxygen. The more ATP the body consumes, the more oxygen it needs.
Oxygen gets to the muscle cells and other destinies through the bloodstream. Most of the oxygen joins hemoglobin molecules. While the body is at rest, 20-25% of hemoglobin molecules provide oxygen to the tissues, and the rest is stored as a reserve.
While exercising, the concentration of oxygen-hemoglobin in the bloodstream sharply decreases because the body needs more energy. As it consumes energy, it needs to get more oxygen to restore ATP. The organism needs more oxygen to satisfy its higher necessities for the molecule.
What are two variations of fur color in cats?
There are two basic colors of cats, black and red. These are called “dominant” colors. The color of all cats relates to these two colors in some way, by changing the color or covering it up. There is also a “dilute” of each color.
Generally, the colours, which can be termed differently depending on the breed, are: white, red, blue, black, cream, cinnamon, fawn and brown. The colour of a cat depends completely on genetics. The two primary colours in cats are black and red. There are six varieties of cat fur patterns. These are Tabby, Solid, Bicolor, Tricolor, Tortoiseshell, and Colorpoint.
A cat displaying a dominant color (black, red, tortie, etc.) must have a parent which displays a dominant color. Two recessive color parents (cream, blue, etc.) cannot produce an offspring of a dominant color (black, red, etc.).
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Why are plants unable to grow at the bottom of lakes the water is colder at the bottom sunlight does not reach the bottom?
Because the water is so deep. There are no rooted plants to be found at the bottom of lakes because sunlight cannot penetrate that far.
Lakes obtain their water supply from three different sources: precipitation; rivers and streams; and underground water.
The size of lakes can range from very small to very large. They can be quite deep, or they can be only moderately so. Ponds are frequently used as a synonym for lakes that have depths of less than six or seven feet and support plant life on the bottom.
The changing of the seasons can bring about significant fluctuations in temperature for the lakes that are found in certain temperate regions.
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How do you think scientists determine the population size of fish?
Answer:
Because we can't see and count all the fish, scientists collect data from multiple sources. ... They then feed these data into computer models to generate assessments of the population as a whole.
Explanation:
Answer:
Because we can't see and count all the fish, scientists collect data from multiple sources. ... They then feed these data into computer models to generate assessments of the population as a whole.
Explanation:
what are 2 limiting factors for snails and how do they affect the carrying capacity?
Answer:
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Explanation:
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A female horse gives birth to an offspring on a farm. The farmer notices the offspring
is especially fast and healthy. He would like to identify which male horse is the
offspring's father for selective breeding purposes. He asks a local university to run a
DNA fingerprint with DNA samples from the mother, offspring and the three male
horses on the farm. Which male does the data show is MOST likely the offspring's
father?
Answer:
male 2
Explanation:
Everything the offspring has that the mom doesn't , male 2 does
The farmer notices the offspring is especially fast and healthy. The male that data show is most likely the offspring's father is male 2.
What is selective breeding?The likelihood of biodiversity rises as a result of selective breeding. By breeding organisms for particular desired features that can be passed on to their progeny, a procedure known as selective breeding is used.
Because distinct features and genetic differences may become more obvious, biodiversity may rise as a result. Pick parents from a mixed population who exhibit these traits.
They have interbred. Select the best progeny with the necessary traits to create the following generation. Continue doing this for numerous generations until all of your progeny possess the desired traits.
Therefore, the male that data show is most likely the offspring's father is male 2.
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Organisms living in a forest ecosystem rely on the Sun as a source of energy for metabolic processes. The following events occur as energy is captured by a plant
and used in the metabolic processes of an herbivore.
Light
[A] Energy is released from chemical bonds.
[B] Energy is stored in large organic molecules..
[C] Energy is transferred to molecules of ATP.
[D] Energy is absorbed by plant cells.
The most likely order in which these events occur is
A) The bonds between chemicals give off energy. occasions happen as energy is caught by a plant and utilized in the metabolic cycles of a herbivore Light.
How do ecosystem organisms get their energy from the sun?Life on Earth is powered by energy from the Sun. Photosynthesis is the process by which plants, algae, and cyanobacteria convert carbon dioxide and water into organic compounds like carbohydrates. The biosphere's primary source of organic material is this process.
Which organisms are capable of producing their own food by utilizing the sun's energy?An autotroph is an organism that can use light, water, carbon dioxide, or other chemicals to make its own food. Autotrophs are sometimes referred to as producers due to the fact that they make their own food. The most well-known autotroph is the plant, but there are many other autotrophic organisms.
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Answer:
D
Explanation:
Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70% since the arrival of zebra mussels because ________. Group of answer choices Zebra mussels feed on phytoplankton, which zooplankton need as a food source Zooplakton are reduced due to predator mediated competition Zebra mussels block sunlight penetration into lakes and thus prevent zooplankton from photosynthesizing Zebra mussels prey exclusively on zooplankton Zooplankton are replaced due to competitive exclusion
Answer:
Zebra mussels feed on phytoplankton, which zooplankton need as a food source.
Explanation:
The population of zooplankton in Lake Erie and the Hudson River declined due to the arrival of zebra mussels because Zebra mussels feed on phytoplankton, which is the main source food of zooplankton. So due to limited or scarcity of food in the environment, the zooplankton die due to hunger that leads to the decrease of population of zooplankton in that environment.
How many federal agencies are responsible for managing land resources in the United States?
2
4
6
10
Answer:
4
Most of the current land use concerns relate to federal lands controlled by four federal agencies: Bureau of Land Management, U.S. Forest Service, National Park Service, and Fish and Wildlife Service.
Answer:
4
Explanation:
Where is most ATP produced in mitochondria?
Most ATP is produced in the mitochondrial matrix, which is the fluid-filled space inside the inner membrane of the mitochondria.
The process of ATP production in the mitochondria is called cellular respiration. It starts with the breakdown of glucose and other molecules in the cytoplasm by the process of glycolysis, which generates a small amount of ATP. The majority of the ATP is generated in the Mitochondria during the process of oxidative phosphorylation, where the electrons from the breakdown of glucose are passed through a series of protein complexes in the inner mitochondrial membrane, which generates a proton gradient that drives the production of ATP via ATP synthase.
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4. The cells of meristmetic tissue undergo continuous cell division
and produce permanent tissue. yes of No.
Answer:
yes.
Explanation:
What type of air mass forms over Charlotte, NC
Before testing the pea plants, Mendel formed a five-part hypothesis. What did Mendel include in his hypothesis
The following are included in Mendel's theory: A pair of components regulate traits (known as genes). One gene is inherited from each parent for each trait. Every quality is passed down from one generation to the next.
During the development of gametes, genes divide. When two genes are in direct opposition to one another, one gene may be expressed while the other is hidden.
A trait may not manifest in an individual but can still be passed on to the next generation, and the genes for each trait separate themselves during gamete formation. Individuals inherit one such unit for each feature from each parent.
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Jimmy and Denise are planning their wedding and working on their budget. What percentage of their total budget should be used for the floral
arrangements?
O 40 to 50
O 20 to 30
O 10 to 15
O 60 to 65
10 to 15% of their total budget should be used for the floral arrangements. So, the correct option is C.
What is Budget?A budget is an accounting document that details a person's or the company's anticipated revenue and expenditures for a given time period. A budget's purpose is to assist individuals and organisations in properly managing their money by ensuring that they're earning adequate revenue to cover their bills and save for future goals.
The percentage of the budget as a whole that should be used for flower arrangements in the preceding example may differ based on the couple's preferences and priorities. However, a general rule of thumb is to devote 10-15% of the overall budget to floral arrangements. This can be altered depending on the size and formality of the event, the types of flowers and arrangements required, and the availability and cost of floral arrangements.
Therefore, the correct option is C.
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How many nucleotides are
involved in a point mutation?
?
Answer:
It is the result of a single nucleotide, but due to the one mistake of the first singular nucleotide many can be changed.
Answer:
One or a few
Explanation:
If an organism has 50 chromosomes, how many chromosomes will the gametes have after undergoing meiosis
If an organism has a diploid number of 50, and one of its cells undergoes meiosis, then the number of daughter cells produced by this cell is four and each contains 25 chromosomes.
Diploid may be defined as a condition that determines the existence of two complete sets of chromosomes in an organism's cells, with each parent contributing a chromosome to each pair.
On contrary, haploid cells generally contain only a single set of chromosomes. These types of cells are formed due to the process of meiosis, while diploid cells are formed by the activity of mitosis.
According to the question, if a diploid number of an organism = 50.
This means that 2n = 50,
n = 25.
As we all know that when a cell undergoes meiosis, it will definitely have half the amount of genetic content in its daughter cells.
Therefore, if an organism has a diploid number of 50, and one of its cells undergoes meiosis, then the number of daughter cells produced by this cell is four and each contains 25 chromosomes.
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If the moon orbits Earth every 28 days, why is there not an eclipse every month?
Answer:
The Moon's path around earth is tilted compared to Earth's orbit around the Sun. The Moon can be behind Earth but still get hit by light from the sun. This is why we dont get a lunar eclipse every month.
Explanation:
Can someone please answer this for me !!
Answer:. The genotype is RB(the gene)
The phenotype is purple(the physical appearance)
None of the flowers will be red
All will be purple.
None will be blue
Note: the crossing above indicates a case of co-dominance
Which of the following best describes polygenic traits?
Answer:
4 many trait are produced by
What are the two characteristics of a species?
Answer:
They can reproduce and have genes
Explanation:
Answer:
A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche.
hope it helps can you pls give me branilist pls pls
which one of the following elements in the energy balance equation is under individual control?
ADH factors in the equation of energy balance are a person's personal control and do not count as an adverse effect of ephedra.
What connection exists between the amount of ADH and water reabsorption in the tubules?The kidneys are the target organ of ADH as it moves through the bloodstream. The renal tubules become more porous as a result. This implies that more water can exit the kidney tubule for selective reabsorption back into the circulation.
Does aldosterone make you more hypertensive?Your kidneys release (excrete) sodium through your urine as a result of aldosterone. Water retention results from an increase in salt in your bloodstream. The renin-angiotensin-aldosterone pathway is thus completed, increasing blood volume and blood pressure.
The whole query is:
Food-based energy intake.
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What are the inputs and outputs of trees?
Answer:
Inputs: Carbon Dioxide (CO2), Water (H2O), Nutrients/Minerals, Sunlight
Outputs: Oxygen (O2), Sugar, Water Perspiration
Can any conclusions be drawn as to the types of habitats likely to contain the most microbes?
Yes, a conclusion can be drawn that living surfaces contain more number of microbes as compared to non-living surfaces.
Microorganisms or microbes can be found in a lot of different conditions in the environment. This proves that they can thrive in a number of different conditions. All microbes require different environmental factors which can boost their growth. Some of them are able to survive in harsh cold habitats like in the ice and also in high temperatures like hot springs.
It has been observed that the number of microbes is high in habitats or surfaces which can suffice the need for nutrition and other factors of the microbe so that it is able to survive and it can be concluded that living surfaces, for example fungal spores, will have more microbes as compared to a non-living surface.
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