differences between excretory organ of mammals and earthworms
Answers
Answer:
In earthworm, the excretory organ is made up of ciliated tubule while in mammals there is no ciliated tubule. ... In earthworm, it has one pair of nephridia in each segment while in mammals, their nephrons are not segmentally arranged.
Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra.
Earthworms have a pair of excretory organs called nephridia in almost all segments. They excrete the waste (essentially urine) through a pair of pores in each segment. The excretory organs of insects are called Malpighian tubules (named after an early invertebrate anatomist).differences
*excretory system of earthworm has nephrostome and nephridiophore but mammal excretory system dosen't have
*In earthworm, the excretory organ is made up of ciliated tubule while in mammals there is no ciliated tubule. * In earthworm, it has one pair of nephridia in each segment while in mammals, their nephrons are not segmentally arranged.
simlarities
*Each is well supplied with blood.
*Each is made up of a complex network of coiled tubes or tubules.
*Both excrete urea or nitrogenous and water.
*Both have structures for filtering excretory products.
Related Questions
Cells use a molecule called
Choose...
to store and release energy like a battery. The energy is stored in chemical bonds between
Choose...
groups of the molecule, and the energy is released when the chemical bonds are broken.
Answers
Answer:
ATP & Phosphate
Explanation:
just took the quiz and got it right
Mendel cross-pollinated second-generation purple-flowering hybrids.
What was the result of the second-generation cross, and why was it important?
Answers
Answer:
For the second generation, Mendel cross-pollinated two hybrids that had purple flowers. About 75 percent of the second-generation plants had purple flowers. These plants had at least one dominant factor. Twenty-five percent of the second-generation plants had white flowers.
The results of Mendel's second set of experiments led to his second law. This is the law of independent assortment. It states that factors controlling different characteristics are inherited independently of each other.
arrange the tunics of the wall of the eyeball in their correct sequence, from inside out.
Answers
The correct sequence of the tunics of the wall of the eyeball, from inside out, is as follows:
1. Retina: This is the innermost layer of the wall of the eyeball. It contains the photoreceptor cells that detect light and transmit visual signals to the brain.
2. Choroid: This is the middle layer of the wall of the eyeball. It contains blood vessels that supply oxygen and nutrients to the retina.
3. Sclera: This is the outermost layer of the wall of the eyeball. It is a tough, fibrous layer that provides structural support and protection for the eye.
Therefore, the correct sequence of the tunics of the wall of the eyeball, from inside out, is retina, choroid, and sclera.
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plant cell can prepare their own food. Why?
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Plants make their own food by a process called Photosynthesis. ... Photosynthesis is done with the help of carbon-dioxide, water, and sunlight. The end products of photosynthesis are oxygen, which the plants release, and carbohydrates, which become the plants' source of energy
Plant cells contain chloroplast which contains a pigment called chlorophyll that takes in the sunlight and creates food and energy for the plant to survive and grow. This process is known as Photosynthesis, which is the process of preparing and creating food for the plant to grow and get energy. This process uses carbon dioxide, water and sunlight to create food and turns the carbon dioxide to oxygen for other living beings to use.
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UPPIO.Stuuyisland.com Earth's Water Systems Tools Save Session Pablo is building a miniature watershed model of his city out of clay. He wants to see where rainwater carries spilled motor oil from the city's streets Pablo plans to make all of the hills, buildings, and streets in his model out of clay. He then plans to spray water on the model to see where it flows when it rains. What could Pablo do to help him track where rain water carries spilled motor oil? A. He could use hot cocoa powder to represent the oil. B. He could use maple syrup instead of water. C. He could use sand instead of clay. D. He could use peanut butter to represent the oil.
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Answer:
um...
Explanation:
Answer:
A. He could use hot cocoa powder to represent the oil.
Explanation:
I got it right on Study Island.
i need help w number 17
Answers
Answer:
photosynthesis
Explanation:
The process of crossing over occurs in what phase of meiosis.
Answers
Answer:
A crossover happens in the first stage, or division in meiosis.
Explanation:
The crossing over is when the two chromosomes exchange segments with each other. To make sense of it, the parent's two DNA is mixing up to create the baby, so it makes sense to have that the first step, because you would not exist with your parent's DNA.
what technologies did scientists not use to develop the theory of seafloor spreading
Answers
Answer:
I believe the answer is "echo-sounding measurements"
Explanation:
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Conches, whelks, snails and slugs are all members of phylum mollusca. More specifically they all belong to the 2nd largest class in kingdom animalia. What is the name of their specific class within phylum mollusca?.
Answers
Conches, whelks, snails, and slugs all are members of Phylum Mollusca. They all belong to the 2nd largest class in Kingdom Animalia. The name of their specific class within Phylum Mollusca is Gastropoda.
Gastropoda is the class of Mollusca that consists of snails and slugs. They are known to have a single coiled shell or no shell at all. The members of the class Gastropoda are known for their unique body structure.
Their body is divided into three distinct parts -
headfootvisceral mass.The head contains sensory organs, including eyes and tentacles that are used to detect food and predators.The foot is the muscular structure that helps in movement. It is a long, flat, and broad structure that can be extended out of the shell.
Visceral mass contains the digestive, excretory, and reproductive systems. The class Gastropoda has over 60,000 species, which makes it the largest class in Phylum Mollusca.Their name is derived from the Greek words "gastro" meaning "stomach" and "poda" meaning "foot"
Therefore, Gastropoda can be defined as a group of mollusks with a muscular foot used for crawling and a distinctive spiral shell.
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What organelle wouldn’t have a job if the smooth and rough ER didn’t work?
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Answer: The Golgi apparatus.
Explanation: I believe it is the Golgi apparatus as the Rough ER and Smooth ER create proteins and sort them in to piles before sending to the Golgi apparatus to deliver.
The Smooth ER and Rough ER are like the suppliers while the Golgi apparatus is like the transporter.
Remember: Proteins have many functions and are needed severely to perform those actions that without the Golgi apparatus, those proteins wouldn’t be able to be transported.
In a Drosophila experiment, a cross was made between homozygous wild-type females and yellow-bodied males. All of the resulting F1s were phenotypically wild type. However, adult flies of the F2 generation (resulting from matings of the F1s) had the characteristics shown in the figure above. Consider the following questions:
(a) Is the mutant allele for yellow body recessive or dominant?
(b) Is the yellow locus autosomal (not X-linked) or X-linked?
Answers
Based on the Drosophila experiment, we can answer this question:
The mutant allele for the yellow body is recessive.The yellow locus autosomal is X-linked.How to determine the characteristics of an offspring?To determine the characteristics involving mutant alleles, recessive or dominant traits, and X-linked characteristics, we can do as follows:
The mutant allele for the yellow body is recessive. This can be determined because all F1 offspring show the wild-type phenotype, meaning the yellow body trait is not expressed in the presence of the wild-type allele. Since the F2 generation has some flies with yellow bodies, this indicates that the yellow body trait is recessive and only appears when both alleles are the mutant yellow allele.The yellow locus is X-linked. This can be inferred from the fact that the cross between homozygous wild-type females and yellow-bodied males produced all wild-type F1 offspring. If it were autosomal, we would expect some of the F1 offspring to show the yellow body phenotype. The X-linked nature of the locus is further supported by the appearance of yellow-bodied flies in the F2 generation, as X-linked traits tend to display sex-specific patterns of inheritance.Learn more about mutant allele here https://brainly.com/question/31787933
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which cell parts are responsible for moving proteins?
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which is found in areas where stress is minimal and where filtration, absorption, or secretion is the primary function?
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Columnar epithelium is located in places where there is not much pressure and its main purpose is filtration, absorption, or secretion.
It consists of a single layer of cells which are taller than they are wide. At the base of the cells is a nucleus, while the tops are pointed. Covering the apical surface are teeny microvilli which expand the area for absorption.
Connecting the cells tightly together are tight junctions that control the passage of molecules and ions. On the basal surface of the cells is a thin layer of glycoproteins that protect them from harm. Additionally, there are some other organelles such as mitochondria and ribosomes.
Areas where simple columnar epithelium can be found include the lining of the gastrointestinal tract, the respiratory tract, and some reproductive organs.
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what was the osteological change that occurred from homo habilis to homo erectus?
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Osteological changes that occurred from Homo habilis to Homo erectus was the evolution of their skull and brain size.
Homo erectus had a larger cranial capacity, ranging from 750-1250 cc, compared to Homo habilis, whose cranial capacity ranged from 510-660 cc. This increase in brain size allowed Homo erectus to have greater cognitive abilities, including improved language and tool-making skills.
In addition to brain size, Homo erectus had a more robust and durable skull structure compared to Homo habilis. The brow ridges of Homo erectus were larger, and the skull was flatter and broader, which helped to distribute the force of chewing. These changes are thought to be adaptations to a more complex diet that included tougher and more fibrous foods.
Homo erectus also had a more modern-looking skeleton than Homo habilis, with a larger body size, longer limbs, and a more efficient gait. These changes may have allowed Homo erectus to cover greater distances and hunt more effectively.
Overall, the osteological changes from Homo habilis to Homo erectus represent a significant step in the evolution of the Homo lineage towards a more advanced and adaptable species.
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During coastal upwelling, cold water from deeper layers rises and replaces the warmer surface water along the coast of a continent. This process also brings to the surface nutrients such as nitrates and phosphates, which promotes the growth of plankton.
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Coastal upwelling is a process where cold, nutrient-rich water rises from the ocean depths to the surface near the coast.
The nutrient-rich waters that are brought to the surface and the profusion of marine life in coastal upwelling locations. Nitrates and phosphates, two key nutrients required for the growth of phytoplankton, are carried by the rising cold, nutrient-rich water. The foundation of the marine food chain is made up of phytoplankton, which are microscopic plants.
A domino effect caused by their increasing abundance as a result of upwelling encourages the growth of zooplankton, fish, and other marine animals, ultimately leading to the development of robust ecosystems with a high density of marine life.
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The given question is incomplete, complete question is- "Describe the process of coastal upwelling. Why is an abundance of marine life associated with these areas?"
In terms of most to least amount of fermentation in 20 minutes, you found that glucose was fastest, followed by fructose, then sucrose,and then starch. How does the size and complexity of these molecules affect how quickly they can be used in cellular respiration?
Answers
The size of the molecules would affect the ability to move through the cell
Does size of molecules affect cellular respiration?The size of molecules can affect cellular respiration. Cellular respiration is the process by which cells break down glucose and other molecules to produce energy in the form of ATP (adenosine triphosphate). This process involves several steps, including glycolysis, the Krebs cycle, and oxidative phosphorylation.
In order for these steps to occur, the molecules involved in cellular respiration must be able to enter the cell and move through the various organelles involved in the process. The size of these molecules can affect their ability to move through the cell and participate in cellular respiration.
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look at the following images, then in your own words, describe how they are different.
Answers
Answer:
they have different locations of where the foods are located
nitrogen gas reacts with hydrogen gas to form ammonia . what are the reactants in this chemical reaction
Answers
Answer:
The answer is 1 atom of Nitrogen and 3 atoms of Hydrogen
Explanation:
nitrogen gas+ Hydrogen =ammonia
N+H3----->NH3
the tendon for the palmaris longus is superficial to the extensor retinaculum. a. true b. false 2. gabe likes to check his nails by performing wrist extension. this is made possible due to radial nerve innervation. a. true b. false 3. the ulnar nerve is affected in carpal tunnel. a. true b. false 4. the coronoid process is located on the anterior aspect of the scapula. a. true b. false 5. opponens pollicis is a hypothenar muscle. a. true b. false 6. the trochlear notch can be found on the proximal end of the ulna. a. true b. false 7. the inferior border of the teres major is the anatomical border between the axillary and brachial arteries. a. true b. false 8. the brachial vein drains into the median cubital vein. a. true b. false 9. teres minor is one of the four muscles that make up the rotator cuff. a. true b. false 10. the lateral cord gives rise to the musculocutaneous nerve. a. true b. false 11. match each muscle with its corresponding motor innervation. each term can be used more than once. be as specific as possible. teres major a. axillary n. infraspinatus b. musculocutaneous n. deltoid c. dorsal scapular n. brachialis d. upper subscapular n. long head of triceps brachii e. lower subscapular n. coracobrachialis f. suprascapular n. extensor digitorum g. radial n. supinator h. ulnar n. flexor carpi ulnaris i. median n. palmaris longus dorsal interosseous muscles 12. the runs through the bicipital groove. a. brachial artery b. tendon for the triceps brachii medial head c. tendon for the biceps brachii long head d. radial nerve e. musculocutaneous nerve 13. the is responsible for performing wrist extension. a. ulnar nerve b. radial nerve c. median nerve d. hypothenar nerve e. medial nerve 14. the anatomical snuffbox includes the . a. tendon for the extensor pollicis brevis b. deep radial nerve c. abductor pollicis brevis d. tendon for the opponens pollicis e. extensor carpi radialis brevis 15. the tendon for the palmaris longus is superficial to . a. extensor indicis tendon b. plantar fascia c. flexor retinaculum d. extensor retinaculum e. trochlear notch 16. the passes through the radial groove. a. radial artery b. deep radial artery
Answers
The statement “the tendon for the palmaris longus is superficial to the extensor retinaculum” is false because is actually deep to the fascia of the forearm and the extensor retinaculum.
The palmaris longus is a long, slender muscle that runs from the medial epicondyle of the humerus to the palmar aponeurosis. It is located in the anterior compartment of the forearm, and its tendon can be located by asking the patient to make a fist and then flex their wrist.
On the other hand, the extensor retinaculum is a thick band of fibrous tissue that covers the tendon of the extensor muscles as they pass over the wrist joint. It is located on the dorsal aspect of the wrist and helps to hold the tendons in place, the statement is false.
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—The question is irrelevant, the correct question is:
The tendon for the palmaris longus is superficial to the extensor retinaculum.
true or false—
ab Moving to the next question prevents changes to this answer. estion 8 Buia difier loem iaformation in which way? 1. There is no difference 11. Infirmason is dies organiscd to provide meanises 1ii, Data aro facis aboit a sale W. Bata are mearingful bita of information
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The correct option is B, which is "Information" is organized to provide meaning. Data can be explained as raw and unorganized facts and figures that need to be processed before they can be considered as information.
Therefore, information is data that has been collected, analyzed, organized, and presented in a meaningful way. Thus, the statement "Information is organized to provide meaning" is accurate. Furthermore, data is considered to be objective and without meaning.
It is in a format that can be sorted, evaluated, and analyzed by a computer or an individual. On the other hand, information is subjective and meaningful and can be conveyed and interpreted by people.
However, data can be processed to obtain information. Data is transformed into information when it is analyzed, organized, interpreted, and presented in a meaningful and useful way.
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Need help asap !!!! I have no idea what the answer I’d plz help
Answers
Answer: A.)
Explanation:
You know that PH stands for potential of hydrogen. U know that hydrogen is not acidic, so C is out of the way. So the correct answer is A.) It is basic.
1. according to the case, jaelyn's urine cultures showed pseudomonas aeruginosa. if a gram stain was conducted on the bacterial cells in her urine, what color would the cells appear under the microscope?
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When gram-stained, gram-positive bacteria have a violet color when viewed under a microscope. After being stained, Gram-negative bacteria are counterstained and typically turn pink.
Light microscopy is difficult to use to see cells. Dyeing cells to a specific color gives us a better understanding of their structure and characteristics. These dyes can be used to highlight specific cellular structures because they react with various chemical properties of proteins, nucleic acids, and carbohydrates.
Cell staining under a microscope is a method for getting a better look at cells and parts of cells. It is easier to see a cell wall or nucleus when different stains are used. While most stains can be applied to non-living (fixed) cells, only some can be applied to living ones.
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Why is the international system of measurement helpful?
Answers
Answer:
Explanation:
The principle behind the International System of Units is to provide the same values for measurements such as length, weight, and time no matter where in the world measurement is performed.
How are biotechnology and Genetically Modified Organisms (GMO) related?
Answers
Answer:
biotechnology has made it possible to modify or introduce genes between organisms
Explanation:
Share anything you know about different factors that can affect an ecosystem.
Answers
Answer:
Abiotic factors - due to environmental conditions like earth quakes, drought, volcanic eruption, hurricanes etc.
Biotic factors - due to animals interacting with the environment like grazing animals on forest lands will lead to erosion of top soil, invasive species multiplying and destroying native flora and fauna.
Pollution and deforestation cause by human activity.
Explanation:
If the concept of evolution is defined as a scientific theory, what must be true about the concept of evolution?
Answers
Answer:
Change occurs in the heredity characteristic of living organism over time.
Explanation:
Change occurs in the heritable characteristics of living organisms with the passage of time is known as evolution. Evolution consist of three basic principles which are variation, heredity, and differential fitness. The organisms evolved with the passage of time due to change in the environmental conditions which able them to survive in that harsh climatic conditions and those which is not evolved can't survive and in the end extinction occur.
transport proteins allow ___ type of substance to move across the membrane
Answers
Answer:
Ions, sugars, amino acids, and sometimes water
Explanation:
Those substances are unable to diffuse across the membrane, so they use an ATP-powered ion pump, channels, and transporters to be transported across the membrane.
an electrochemical cell is constructed such that on one side
Answers
An electrochemical cell is constructed in such a way that one side has a piece of copper metal placed in a copper sulfate solution, while the other side has a piece of zinc metal placed in a zinc sulfate solution.
Electrodes, the substance in which the redox reactions take place, are on both sides of the electrochemical cell. Copper, which is a good conductor, is used for the cathode. Zinc, on the other hand, is used as the anode. The anode and cathode are separated by a salt bridge or porous membrane in an electrochemical cell. The salt bridge provides a channel for ions to move freely between the anode and cathode sides. Electrons flow from the anode to the cathode via a wire, while ions travel through the salt bridge, establishing electrical neutrality on both sides of the cell.
Electrons are released from the zinc atoms and flow to the copper atoms through the external circuit, generating a current in the process. Zinc metal becomes zinc ions, while copper ions are reduced to copper metal on the cathode. The reaction is shown below as follows:$$\ce{Zn (s) → Zn^{2+} (aq) + 2 e-}$$$$\ce{Cu^{2+} (aq) + 2 e- → Cu (s)}$$In summary, the electrochemical cell has an anode, a cathode, and a salt bridge or a porous membrane. Electrons are released from the anode and travel to the cathode through an external circuit, generating an electric current. The salt bridge or porous membrane allows for the free flow of ions between the anode and cathode, maintaining electrical neutrality.
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A partial aquatic food web is shown below:
The elephant seal and the blue whale both get energy from squid
The fish provides energy for both the seagulls and the leopard seals
The crab is an omnivore
The leopard seal is a top predator
Answers
Answer:
The penguin is an omnivore.
Explanation:
I took the test.
The fish provides energy required for both the seagulls and the leopard seals. Thus, the correct option is B.
What is an aquatic food web?Food webs are the networks which describe which organism eats whom in an ecological community. Food webs are made of interconnected food chains, these food webs help us to understand how the changes to ecosystems including removal of a top predator or adding nutrients affect many of the different species in an ecosystem, both directly and indirectly.
Phytoplankton and algae species form the bases of an aquatic food web. They are eaten by the primary consumers like zooplanktons, small fishes, and crustaceans. Primary consumers are the organisms which in turn are eaten by the fishes, small sharks, corals, and baleen whales. The top ocean predators include large shark species, dolphins, toothed whales, and large seals. Humans are the organisms who consume aquatic life from every section of this aquatic food web.
Therefore, the correct option is B.
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Four random genetic matches then formed the following diploid offspring. Using the text box or pen tools, label the alleles on each offspring.
Answers
Crossing-over events occur during the prophase 1. After anaphase 2, telophase 2, and citokynesis, 4 gametes are formed. Each gamete has different genetic information. Alleles are labeled in the attached file.
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Since I do not have the parentals genotype, I will consider two traits, each coded by a single diallelic gene.
Gene 1:
A is the dominant allelea is the recessive alleleLocated in the superior arm of the chromosomeGene 2:
B is the dominant alleleb is the recessive alleleLocated in the inferior arm of the chromosomeI will assume that both parents are heter0zyg0us for both traits, so their genotypes are AaBb.
During gamete formation, the pairs of h0m0logous chromosomes separate after crossing over. Then, sister chromatids also separate. The result is the formation of four gametes.
Each gamete has different information from the combination of h0m0logous chromosomes belonging to the father and to the mother.
Mother
During the prophase of meiosis 1, the mother's homologous chromosomes express two crossing-over events. One of them in the superior arm and the other one in the inferior arm.
The segments interchange between chromosomes involves Gene 1 and Gene 2.
During anaphase 2, sister chromatids separate, and after telophase and cytokinesis, four haploid gametes are formed carrying the following chromosomes,
AB → Parentalab → RecombinantAB → Recombinantab → ParentalFather
During the prophase of meiosis 1, the father's homologous chromosomes express one crossing-over event in the inferior arm.
The segments interchange between chromosomes involves Gene 2.
During anaphase 2, sister chromatids separate, and after telophase and cytokinesis, four haploid gametes are formed carrying the following chromosomes,
AB → ParentalAb → RecombinantaB → Recombinantab → ParentalGametes' destiny is to randomly merge in the process of fecundation, during which a new diploid cell called zygote emerges through fertilization.
The zygote is a complete cell that suffers successive mitosis to form the new organism.
In the exposed example,
Offspring 1 → Parental gamete ab from the mother merged recombinant
gamete aB from the father → genotype aaBb
Offspring 2 → Parental gamete AB from the mother merged recombinant
gamete aB from the father → genotype AaBB
Offspring 3 → Recombinant gamete ab from the mother merged
recombinant gamete Ab from the father → genotype Aabb
Offspring 4 → Parental gamete ab from the mother merged recombinant
gamete ab from the father → genotype aabb
For a better understanding, you can see the image in the attached files in which alleles are labeled.
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