fertilization generally occurs in the
Net primary production is: the net energy received by plants after subtracting what is turned into plant material. only the energy received by plants that is converted into protein. the amount of material a plant accumulates as a result of photosynthesis. the total energy received by plants from sunlight. the total energy received by plants from sunlight in usable wavelengths.
Net primary productivity represents the energy left with plants after accounting for respiration, available for consumption by primary consumers. It's a measure of energy accumulation within an ecosystem, calculated as the total amount of carbon fixed per year minus the amount oxidized during respiration, reflecting the rate at which photosynthetic organisms convert solar energy.
Explanation:Net primary production, also referred to as net primary productivity, is a crucial parameter in the field of ecology. It refers to the quantity of energy or organic material that remains with primary producers (like plants) after deducting the energy used for respiration. This net energy is then available for consumption by organisms in the next trophic level, the primary consumers.
In terms of ecosystem energy flow, net primary productivity is the measurement of energy accumulation within an ecosystem. This is calculated as the total amount of carbon fixed per year minus the amount of carbon that gets oxidized during respiration. For example, if a plant photosynthesizes 20,810 kcal/m²/yr, and uses 13,187 kcal/m²/yr for respiration and heat loss, the remaining 7,632 kcal/m²/yr signifies the plant's net primary productivity.
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What structure connects the 2 cerebral hemispheres?
What is the function of the green gallbladder in a fetal pig?
Gallbladder is a small, green, tear-shaped organ which is located in the right lateral lobe of the liver. The function of the green gallbladder in a fetal pig is to store bile, which is then released into the small intestine to help in emulsifying fats to aid in digestion.
To what are greater body size and facial gracility documented in homo erectus likely related?
The fossils called homo floresiensis were dated to:
The macronutrients are carbohydrates protein and fat true or false
-The answer is false
In multicellular organisms, the process of differentiation produces cells that are specialized to perform specific functions. for example, one cell may become a muscle cell whose function is to shorten or lengthen to allow movement. another cell may become a nerve cell whose function is to relay signals in response to stimuli. how do the dna and genes in a muscle cell compare to the dna and genes in a nerve cell?
Answer:the dna is the same, but different genes are activated
Explanation:
Substances intended for tubular reabsorption travel from the filtrate of the proximal convoluted tubule next to the ________.
Substances intended for tubular reabsorption in the kidney travel from the filtrate of the proximal convoluted tubule to the peritubular capillaries.
Explanation:Substances that are intended for tubular reabsorption leave the filtrate of the proximal convoluted tubule and go to the peritubular capillaries. These capillaries are a network of tiny blood vessels that surround the proximal and distal convoluted tubules in the kidney. The process of tubular reabsorption is crucial for the body to reobtain useful substances that have been filtered out of the blood like glucose, salts, and water, which are reabsorbed back into the blood through the peritubular capillaries.
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Substances for tubular reabsorption move from the filtrate in the proximal convoluted tubule to the loop of Henle, where further reabsorption of salts and water occurs.
Explanation:Substances intended for tubular reabsorption travel from the filtrate of the proximal convoluted tubule (PCT) next to the loop of Henle. After filtration at the glomerulus, the filtrate containing water, ions, and small molecules is collected into the Bowman's capsule and then enters the PCT. The PCT is a significant site where reabsorption occurs; the simple cuboidal cells with microvilli increase the surface area, enhancing reabsorption of solutes such as Na+, Cl-, glucose, etc., into the peritubular capillaries.
These cells actively transport ions, which requires a high concentration of mitochondria for ATP production. After substances are reabsorbed in the PCT, the remaining filtrate proceeds to the loop of Henle, where further reabsorption occurs, particularly of salts and water. Subsequent regions of the nephron, such as the distal convoluted tubule and the collecting duct, perform additional reabsorption and secretion processes to maintain homeostasis.
Organisms that are resident microbiota are best described as
microorganisms that remain with the person throughout life
The body’s resident microbiota are the microorganisms such as bacteria, fungi, protists and viruses that lives on a long term basis on or within the human body such as tissue, gastrointestinal tracts, liver, mammary glands, skin etc.
Hugh, a 56-year-old health care worker, has no laboratory evidence of immunity to measles or mumps and cannot confirm that he had either disease. how many doses of mmr vaccine should hugh receive?
Contractions of the small intestine have three functions: mix chyme with digestive juices, allow for
Match each type of scientist with a statement appropriate for her field of study. 1. astronomer "My focus is on the origin and structure of the universe." 2. meteorologist "Algae is an important life form, providing food for many marine life forms." 3. cosmologist "There's a cold front moving in from the West, which may bring snow." 4. oceanographer "That star constellation is called Orion." 5. geologist "Some rocks develop an unusual property of fluorescence, which makes a rock look as though it is glowing."
Answer:
1. The statement, that is, the star constellation is called Orion matches with an astronomer. An astronomer studies galaxy and everything associated with it, like planets, constellations, stars, and others.
2. The statement, that is, there's a cold front moving in from the West, which may bring snow matches with a meteorologist. A meteorologist refers to an individual who studies weather, he is the one who analyzes the weather.
3. The statement, that is, my focus is on the origin and structure of the universe matches with a cosmologist. A cosmologist studies cosmos, or the universe in all of its glory. They study not only the galaxy, however, the entire universe in general.
4. The statement, that is, algae is an important life form, providing well for many marine life forms matches with an oceanographer. An oceanographer refers to an individual who studies oceans and the forms of marine life associated with it.
5. The statement, that is, some rocks develop an uncommon property of fluorescence, which makes a rock seem as though it is glowing matches with a geologist. A geologist refers to an individual who studies Earth, and its components like soil, rocks, and the composition of the Earth.
List the two organisms involved in the production the hybrid, mule.
A mule, a type of hybrid, is produced by breeding a female horse with a male donkey. The occurrence of hybrid species often happens in a 'hybrid zone' based on the fitness of the hybrids and the extent of reproductive barriers.
Explanation:The two organisms involved in the production of the hybrid, mule, are a female horse (mare) and a male donkey (jack). A mule is a classic example of a hybrid, an organism that is the result of mating between two different species. The production of hybrids, like the mule, occurs in an area known as the hybrid zone. In some instances, hybrids may be less fit than parent species, leading to reduced hybrid reproduction and the reinforcement of the original species separation. However, if the hybrids are significantly more fit than their parent species, two species may merge back into one. This is less common, and typically observed where speciation, the formation of new and distinct species, is recent.
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What are the major homeostatic roles of the kidneys in normal healthy adults?
What are the 5 main kingdoms of living things?
Which feature is found among an autosomal recessive pedigree?
a. heterozygotes have a normal phenotype.
b. affected children will have at least one affected parent.
c. heterozygotes are affected.
d. both males and females are affected with equal frequency.
e. the trait is carried on the y chromosome?
Edward Jenner’s smallpox inoculation experiment was based on an observation by a dairymaid that she could not get smallpox because she had already had cowpox. How did Jenner form his hypothesis from this observation? He asked what would happen if he deliberately inoculated someone with cowpox fluid from another person. He tested different existing inoculations to see which one was most effective in preventing smallpox. He observed dairymaids milking cows with cowpox to see if the statement was true before forming a hypothesis. He drew a conclusion about cowpox infection based on the comment he overheard from the dairymaid.
Edward Jenner developed his hypothesis on smallpox vaccination after observing that milkmaids who had cowpox were immune to smallpox; he tested this by inoculating a boy with cowpox, who subsequently did not fall ill from smallpox exposure.
Edward Jenner's hypothesis about smallpox inoculation was formulated from the observation that milkmaids who previously caught cowpox did not contract smallpox. This common belief among the population caught Jenner's attention, suggesting that cowpox could potentially confer immunity against the more deadly smallpox. To test this hypothesis, Jenner deliberately inoculated a young boy with fluid from a cowpox lesion. After the boy recovered from a mild cowpox infection, Jenner exposed him to smallpox but the boy did not become ill, thus proving the efficacy of what we now term vaccination. His method was safer than variolation, an earlier practice of exposing individuals to smallpox itself in a controlled manner to induce immunity, and laid the groundwork for modern immunization practices.
What is true about gestation periods of endangered animals?
A. Endangered animals are unable to reproduce so they have no gestation period
B. Endangered animals typically have longer gestation periods
C. Some endangered animals have short gestation periods while others have longer gestation periods
D. Endangered animals typically have very short gestation periods
Gestation periods of endangered animals can vary widely. The length is determined by biological factors, not by their endangered status, and can range from very short to very long depending on the species.
The gestation periods of endangered animals, like those of all animals, can vary greatly. The misconception that endangered animals have specific gestation periods because of their conservation status is incorrect. The truth is that some endangered animals have short gestation periods, while others may have longer gestation periods. For example, a fox, which may be endangered depending on the species, has a gestation period of 57 days, whereas the African elephant, which is also at risk of endangerment, has one of the longest land mammal gestations at 640 days.
Gestation periods are determined by biological and evolutionary factors, not by the endangered status of a species. This means that an endangered animal's ability to reproduce and the length of its gestation is related to its biological needs and adaptations, and not directly influenced by its conservation status.
Which organ produces numerous enzymes critical for digestion as well as secretes hormones important for sugar regulation?
The radishes that were treated with cobalt-60 for the lab "Radical Radishes" are expected to _____
Answer:
The answer is Undergo mutational changes.
Explanation:
Cobalt-60 emits gamma beams, which have the ability to break covalent bonds that exist in DNA atoms, along these lines causing changes, which can be passed on to posterity amid proliferation, if the transformations are not fixed.
what is a contour interval
Answer:
Vertical distance between contours is called contour interval
Explanation:
Contour lines are lines that connects point of equal height. The vertical distance or the difference in elevation between two contour lines is known as contour interval. For example a set of 100 contours is used to represent a hill of height 500 ft. So, the vertical distance between each contour will [tex]\frac{500}{100} \\[/tex]feet
[tex]= 5[/tex]ft contour interval.
How is the dark dorsal side and the light ventral side of a frog adaptive?
The advantages of different skin colours of the frog is in survival, they help them camouflage from predators. If a predator is below them, the brighter ventral site simulates the bright sky (or water surface). If the predator is above, then dorsal side helps the frog to blend into the surrounding ground environment (or floating vegetation).
Final answer:
Frogs have a dark dorsal side and light ventral side, an adaptation known as countershading, to camouflage from predators. This, along with their specialized eyelids and tympanum, are critical adaptations for survival in their environments.
Explanation:
The dark dorsal side and the light ventral side of a frog is an adaptation known as countershading, which helps provide camouflage from predators. When predators look down on the frog from above, the dark dorsal side blends with the darker environments underwater or on the forest floor. Conversely, when predators or prey look up at the frog against the light sky or water surface, the light ventral side makes it more difficult to see. This adaptive trait is complemented by the frog's skin texture and coloration that aid in blending with their environment.
In addition to their skin adaptations, frogs have three eyelid membranes that protect their eyes and aid their vision in different environments, both on land and underwater. Their tympanum, a part of their hearing apparatus, is well-developed to pick up on sounds, which plays a role in communication and predator avoidance. Frogs are also known to change from having a tail during their tadpole stage to losing it as adults, which is an adaptation to their life stages from water to land.
When is a woman most likely to become pregnant answer.com?
A muscle group that works with and assists the action of a prime mover is a(n) ________. a muscle group that works with and assists the action of a prime mover is a(n) ________. antagonist and fixator fixator only synergist only antagonist and synergist antagonist only
What is congeneration? Congeneration is a process of producing electricity and _____ simultaneously.
Answer: Congeneration is a process of producing electricity and heat simultaneously.
Explanation:
The rationality of congeneration lies essentially in the saving of energy resources in the face of a conventional configuration that produces the same amounts of useful heat and work, which is usually converted to electrical or mechanical energy.
Congeneration is a very efficient energy production process, providing several benefits. At a local level, it can significantly reduce the user's energy bill, while at a global level it reduces the consumption of fossil fuel reserves, leading to a significant reduction in the environmental impact of using these fuels.
Which of the following sentences are correct? (1)for millions of years dinosaurs ruled the earth; they roamed freely over the land and through the oceans. (2)most dinosaurs had amazingly small brains for their size, therefore, they did little more than eat and reproduce. (3)although some dinosaurs were carnivorous, most fed only on plants?
All sentences asked are grammatically correct once minor punctuation and capitalization errors are fixed. These sentences discuss various aspects of dinosaur life, including their reign on Earth, their brain size relative to body size, and their diets. Fun fact: Modern birds are descendants of theropod dinosaurs.
Explanation:All three sentences are grammatically correct, but they require minor fixes with punctuation and capitalization. Once corrected, these sentences would look like this:
For millions of years, dinosaurs ruled the Earth; they roamed freely over the land and through the oceans.Most dinosaurs had amazingly small brains for their size; therefore, they did little more than eat and reproduce.Although some dinosaurs were carnivorous, most fed only on plants.It's worth remembering that dinosaurs were a diverse group of terrestrial reptiles that dominated the Mesozoic era.
Modern birds are actually descendants of theropod dinosaurs.
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Shown below is a drawing showing the result of an experiment in which an rna molecule is allowed to mix with genomic dna that has been denatured by boiling, and the two molecules are allowed to hybridize. the dna strand is presumed to be the lighter-shaded one on the top. note that only one strand of dna is shown. what does the result above indicate about the relationship between the dna and the rna?
The experiment's result showing RNA hybridizing with a denatured DNA strand suggests a complementary relationship, indicating that the RNA may be messenger RNA (mRNA) synthesized from the DNA template.
The result of the experiment where an RNA molecule is mixed with denatured genomic DNA and allowed to hybridize indicates a relationship between the DNA and the RNA. In this context, hybridization refers to the pairing of complementary nucleotide sequences between the two molecules, suggesting that the RNA molecule has a sequence that complements the DNA strand. Often, the RNA molecule is messenger RNA (mRNA), which is synthesized as a copy of one of the DNA strands and carries the genetic information for protein synthesis. Therefore, observing hybridization between the RNA and a denatured DNA strand implies that the DNA contains sequences that are templates for the RNA, affirming the central dogma of molecular biology, which states that DNA is transcribed into RNA which then is translated into protein.
Why do you suppose that tropical rain forests are the richest terrestrial ecosystems in terms of plant and animal diversity?
What is it called when plants lose water through their leaves?
Answer: "Transpiration".
Explanation:
Plant loses water by the process of transpiration through the leaves.
The movement of water from different parts of plant through evaporation is called transpiration. this majorly occurs from the stomata.
Transpiration also helps to cool down the heat of the plant during summers, maintains the osmotic pressure and allows the movement of various nutrients through the complete plant body from the upper most shoot to the deep inside roots.
So, the process of transpiration helps the plant to loose water through their leaves.