which of the following plankton are the smallest? options:A.phyto plankton B. virio plankton C.zoo plankton D.bacterio plankton E.mero plankton
Answers
Out of the given options, the smallest plankton are bacterio plankton. Bacterio plankton are the tiny microscopic organisms that live in aquatic environments and are composed of bacteria.
They are smaller than other types of plankton such as phyto plankton, zoo plankton, virio plankton, and mero plankton. Phyto plankton are photosynthetic microorganisms, zoo plankton are tiny animals that feed on phyto plankton and other smaller plankton, virio plankton are viruses that infect and replicate within bacteria, and mero plankton are juvenile forms of larger organisms such as fish and crustaceans.
Bacterio plankton play a crucial role in the marine food chain, as they serve as a food source for other organisms and also contribute to the cycling of nutrients in aquatic environments. In summary, among the given options, bacterio plankton are the smallest type of plankton.
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Related Questions
A pattern of complex heredity where there are more than two alleles in a population
Answers
A pattern of complex heredity where there are more than two alleles in a population is referred to as polymorphism.
What is polymorphism?Polymorphism in biology refers to the occurrence of multiple forms or morphs of a species in a single population. Polymorphism can be a result of genetic variations, environmental factors, or a combination of both.
It is the presence of more than two alleles in a population that are responsible for the same characteristic. This can result in variations in physical appearance, behavior or other traits in a population. The separation of most higher organisms into male and female sexes is the most obvious example of this.
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The complete question is:
A pattern of complex heredity where there are more than two alleles in a population is called?
No fossils have been found in the lowest sedimentary layer in the Grand Canyon. Does this mean that life did not exist on Earth when that layer of sediment formed? Explain
Answers
The Grand Canyon is home to a staggering variety of rock formations that are packed with fossils.
Explanation:
In addition to several strata of terrestrial fossils including leaf and dragonfly wing imprints, scorpion, centipede, and reptile footprints, the sedimentary rocks exposed all through the canyon are abundant with marine fossils like crinoids, brachiopods, and sponges.
Algal mats and microfossils from the Precambrian Period, which lasted from 1,200 million to 740 million years ago, to many body and trace fossils from the Paleozoic Period, which lasted from 525-270 million years ago, are all preserved in the strata of ancient rock.
What are fossils?
Fossils are the preserved remains, or signs of remains, of extinct species. The remains of the actual organism are not found in fossils! They are a rock. An organism in its entirety or simply a portion can be preserved as a fossil. Fossilized materials can include bones, shells, feathers, and leaves. Both very huge and very minute fossils exist.
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A cladogram is shown below.
a) Why is the amoeba considered an outgroup in this cladogram?
b) What trait does a salmon have that an earthworm does not?
c) What does this cladogram tell you about the evolutionary relationship of the traits of jaws and limbs?
d) A squirrel glider is an organism with jaws, limbs, and hair. It does not use a placenta for reproduction. Where do you think this organism would belong in the cladogram?
Answers
Answer:
a) it is the only unicellular organism in this cladogram
b) a salmon has jaws
c) it tells that before having limbs the ancestors developed jaws as for a feature for the organism to survive easily
d) it is on the same level as the kangroo
what is h(x)=x^2+7 if x is -2
Answers
Answer:
27a-5
Explanation:
how are each of the rock types created (igneous, sedimentary, and metamorphic) created?
Answers
Answer:
igneous is by heat, sedimentary byayering and metaphoric by heat
Match each term about wind erosion and deposition with its description.
abrasion
a deposit of fine, mineral-rich soil that is
good for agriculture
deflation
sand deposited against an obstruction
sand dune
the process by which wind moves particles
that are loose
the process by which wind wears down
solid objects
loess
Answers
loess - a deposit of fine, mineral-rich soil that is good for agriculture
deflation - the process by which wind moves particles that are loose
sand dune - sand deposited against an obstruction
abrasion - the process by which wind wears down solid objects
Plz mark brainliest :)
Answer:
abrasion- the process by which wind wears down solid objects.
sand dune- sand deposited against an obstruction.
deflation- the process by which wind moves particles that are loose.
loess- a deposit of fine, mineral-rich soil that is good for agriculture.
Explanation:
edge 2020
why do paramecium collect in certain areas?
Answers
Paramecium are unicellular organisms that are found in freshwater environments. They are known to collect in certain areas due to a process called chemotaxis. Chemotaxis is the movement of an organism in response to a chemical stimulus.
Paramecium are attracted to areas with a high concentration of certain chemicals, such as food or oxygen. This allows them to find resources that are necessary for their survival. Additionally, paramecium may also collect in certain areas due to the presence of other paramecium, as they are known to exhibit social behavior.
Overall, the collection of paramecium in certain areas is a result of their natural instincts to find resources and to be in the presence of others of their own kind.
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A field that is focused on preventing death, disease, and disability by reducing exposure to adverse conditions and prom es behavioral change is called public policy. O healthy visions. biodiversity implications. environmental health.
Answers
A field that is focused on preventing death, disease, and disability by reducing exposure to adverse conditions and promoting behavioral change is called environmental health.
Environmental health refers to the practice of preventing diseases, injury, and disability by reducing exposure to adverse environmental conditions and promoting behavior change. It is a field that is focused on identifying and assessing environmental factors that can affect human health and taking action to control or eliminate those factors. The field of environmental health deals with a wide range of issues, including air quality, water quality, food safety, hazardous waste management, and the effects of climate change.
It is an interdisciplinary field that brings together experts from many different fields, including public health, environmental science, toxicology, epidemiology, and engineering. Environmental health professionals work to promote healthy environments and prevent illness and disease by developing and implementing policies and programs that reduce exposure to environmental hazards and promote healthy behavior.
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RNA polymerase is an enzyme that can make molecules of RNA from a single _______ strand.
Answers
The process of the formation of an RNA molecule from DNA is called transcription. The answer to this question is the DNA strand.
Plz, answer fast need in max 15 minutes plz
What type of energy transformation takes place when carbon is cycled in a gasoline-based car?
A.Thermal energy to thermal energy
B.Chemical energy to chemical energy
C.Thermal energy to mechanical energy
D.Chemical energy to mechanical energy
Answers
the deepest and most delicate of the meninges, adhered directly to the spinal cord, consists of elastic and collagen fibers. it is called the
Answers
The deepest layer of the meninges, the pia mater adhered directly to the spinal cord, consists of elastic and collagen fibers.
The meninges' deepest layer is called the pia mater. It is impossible to remove this thin, sensitive membrane without harming the surface of the brain and spinal cord since it is firmly attached to them.
Pia Mater has two layers and, in contrast to arachnoid, follows the sulci and gyri's outlines. Collagen fibers are found in the pia's outermost layer, known as the epipial layer, while elastic and reticular fibers are found in the pia's innermost layer, known as the intima pia.
The blood arteries that enter and leave the brain perpendicular to the meninges, notably those that travel from the subarachnoid space to the brain parenchyma, are sheathed by the cerebral pia mater. This sheathing develops the perivascular, an interstitial fluid-filled region. interval between the vessel walls and the pia.
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Why have frequent small controlled-burn wildfires not helped to maintain chaparral ecosystems?
A.Seeds of chaparral shrubs need a large accumulation of leaf litter in order to sprout.
B.Fire destroys the seeds of many types of chaparral shrubs.
C.The heat from forest fires destroys the roots of chaparral plants.
D.Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.
Answers
Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.i.e, option D.
What is chaparral ecosystem?
Chaparral, scrubland plant communities composed of broad-leaved evergreen shrubs, bushes, and small trees usually less than 2.5 metres (about 8 feet) tall—the characteristic vegetation of coastal and inland mountain areas of southwestern North America.
Chaparral vegetation is well adapted to fire and regenerates readily after fire, either through sprouting from stem bases (lignotubers) or from soil-stored seed.
Although mature chaparral consists mainly of shrubs, herbaceous plants are the dominant vegetation during the first few years after fire.
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All of the following are part of the spermatic cord EXCEPT the *.
A) testicular artery.
B) lymphatic vessels.
C) ductus deferens.
D) ejaculatory duct.
Answers
Ejaculatory duct is a part of the spermatic cord.
The spermatic cord consists of several structures that pass through the inguinal canal to the testes. These structures include the testicular artery (A), lymphatic vessels (B), and the ductus deferens (C). However, the ejaculatory duct (D) is not part of the spermatic cord; it is formed by the union of the ductus deferens and the seminal vesicle and is located within the prostate gland.
Among the given options, the ejaculatory duct is the structure that is not part of the spermatic cord.
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which are common cell shapes?multiple select question.column-likecube-likeconicalsphericalhelicalspiral
Answers
Cells are the basic structural and functional units of living organisms. They are classified into many types, each having its distinct shape and function. The following are the common cell shapes:1. Spherical Cells: Spherical cells are round cells.
Examples of spherical cells include red blood cells and fat cells.2. Columnar Cells: Columnar cells are long and thin cells. Examples of columnar cells are cells in the lining of the small intestine.3. Conical Cells: Conical cells are cone-shaped cells. Examples of conical cells are sperm cells.4. Cuboidal Cells: Cuboidal cells are cube-shaped cells. Examples of cuboidal cells are the cells of the liver.5. Spiral Cells: Spiral cells are shaped like a spiral. Examples of spiral cells are some bacteria.6.
Helical Cells: Helical cells are long and curved cells. Examples of helical cells are the cells of the inner ear. The correct answer is: Spherical, columnar, conical, cuboidal, spiral, and helical.
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The arrows on field lines show the direction of force in an
electric field.
Which statement best describes how the arrows are shown?
A. Arrows point away from both charges.
B. Arrows point away from the negative charge and toward the
positive charge
C. Arrows point toward both charges
D. Arrows point away from the positive charge and toward the
negative charge
Answers
Given what we know about field lines, we can confirm that arrows point away from the positive charge and toward the negative charge.
What are field lines? They are simply visual aids.They are lines used to visualize vectors when creating a diagram.In this case, they represent the electrical field created by charged particles.Therefore, since the diagrams used to indicate field lines show that the arrows will point away from the positive charges and towards the negative ones, we can confirm that option D is correct.
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Which classification of joints has a joint cavity and ligaments to provide support for articulating bones?
Answers
Answer:
b. Synovial joints
Explanation: is correct
In the carbon cycle, carbon is found in a. the atmosphere b the soil c. living organisms d. all of the above.
Answers
Answer:Carbon is stored on our planet in the following major sinks (1) as organic molecules in living and dead organisms found in the biosphere; (2) as the gas carbon dioxide in the atmosphere; (3) as organic matter in soils; (4) in the lithosphere as fossil fuels and sedimentary rock deposits such as limestone, dolomite and ...
Explanation:
Answer:
d. all of the above
Explanation:
______are positively charged particles in the nucleus of an atom.
Answers
Answer:
protons
Explanation:
there are 3 types of particles,
THE ELECTRON which is negatively charged and orbits the nucleus
THE NEUTRON which is neutrally charged and sits inside the nucleus
and THE PROTON which is positively charged and sits in the nucleus with the neutron
Answer:
Your answer is Proton
Explanation:
Neutron=normal
proton=positive
electron=negative
somatic motor neurons must be ________ to relax the external urethral sphincter to allow urination.
Answers
Somatic motor neurons must be stimulated to relax the external urethral sphincter to allow urination.
The external urethral sphincter is a skeletal muscle that surrounds the urethra and helps control the flow of urine from the bladder. The relaxation of this sphincter is necessary for the voluntary control of urination. When the somatic motor neurons innervating the external urethral sphincter are stimulated, they cause the muscle fibers to relax, allowing the urine to pass through the urethra and out of the body.
It's important to note that the relaxation of the external urethral sphincter is under voluntary control, meaning it requires conscious effort to initiate the relaxation response. The somatic motor neurons that innervate this sphincter are part of the somatic nervous system, which is responsible for voluntary movements and sensory perception.
In contrast, the internal urethral sphincter, which is composed of smooth muscle, is under involuntary control and relaxes automatically during urination in response to signals from the autonomic nervous system.
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You have a portfolio that consists of 35% microsoft stock, 35% amazon stock, and 30% ge stock. microsoft has a standard deviation of 1, amazon has a standard deviation of 3.0, and ge has a standard deviation of 0.5. treasury bills (the risk-free asset) currently offer a return of 4%, and the expected return on the market is 11.5%. what return should you expect on your portfolio according to the capm?
Answers
The expected return on your portfolio according to the CAPM is approximately 10.13%.
To calculate the expected return on your portfolio using the Capital Asset Pricing Model (CAPM), follow these steps:
1. Calculate the portfolio's beta by multiplying each stock's weight by its beta and summing the results.
2. Determine the risk-free rate (given as 4%) and the expected market return (given as 11.5%).
3. Apply the CAPM formula: Expected Portfolio Return = Risk-Free Rate + Portfolio Beta * (Expected Market Return - Risk-Free Rate).
Without the individual betas for Microsoft, Amazon, and GE stocks, we cannot provide the exact expected return. However, based on the provided weights and market information, the expected return will be around 10.13%.
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describe the major disadvantages of asexual and sexual reporduction
Answers
Answer:
Asexual- No variation - if the parent has a genetic disease, offspring does too. Sexual- Requires two organisms, requires more energy
Explanation:
the baseline phase in single system design is conducted during delivery of the intervention.
Answers
That's incorrect. The baseline phase in single system design is conducted before the delivery of the intervention.
In single system design, also known as single case design, the baseline phase serves as a control period where the target behavior is observed and measured without any intervention or treatment being implemented. This baseline data provides a basis for comparison to evaluate the effects of the intervention during subsequent phases of the study.
Once the baseline phase is completed and baseline data is collected, the intervention phase follows, where the specific intervention or treatment is implemented. By comparing the data collected during the intervention phase to the baseline data, researchers can determine whether the intervention has had an impact on the target behavior.
It's important to establish a stable baseline before implementing any intervention to ensure accurate assessment of the intervention's effects.
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What is the term that describes the loud, high-pitched sound made with each inhalation that occurs when there is respiratory obstruction in the larynx or trachea
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how do autopolyploidy and allopolyploidy differ? view available hint(s)for part a how do autopolyploidy and allopolyploidy differ? the chromosomes of an autopolyploid individual come from the same species, while an allopolyploid individual has sets of chromosomes from different species. autopolyploidy is sympatric, while allopolyploidy is allopatric. only autopolyploidy involves an increase in chromosome sets. autopolyploidy is a mechanism of speciation in plants, while allopolyploidy is a mechanism of speciation in animals.
Answers
An allopolyploid individual has sets of chromosomes from various species, while an autopolyploid individual has sets of chromosomes from the same species.
While allopolyploidy is allopatric, autopolyploidy is sympatric. One more set of chromosomes is only present in autopolyploidy. Allopolyploidy is an animal speciation mechanism, whereas autopolyploidy is an animal speciation mechanism in plants. When a person possesses more than two sets of chromosomes, all descended from the same ancestral species, this is referred to as autopolyploidy. Polyploids called allopolyploidy come from several species. Four identical copies of the same chromosomal group make up an autotetraploid plant. An allotetraploid or amphidiploid plant, on the other hand, has two sets of diploid chromosomes that come from different species. The genetic ramifications of this discrepancy are significant.
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Write eassay about the benefits of studying Science' subject in school.
Answers
Answer:
Did it for the pontiff
Explanation:
Dont now
Explain why an observer in New York State sees some different constellations in the night sky when Earth is at location A compared to when Earth is at location C.
Answers
Answer:
The Earth is Rotating to another location and shownig different groups of Stars
Explanation:
An observer in New York State sees some different constellations in the night sky when Earth is at location A compared to when Earth is at location C because of the continuous rotation of the earth on its axis.
What do you mean by Constellation?A constellation may be defined as a collection of stars that significantly form a recognizable and identifiable pattern in the sky mostly in the nighttime. These collections of stars are traditionally named after their apparent form or identified with a mythological figure.
According to the context of this question, when an observer in New York State sees some different constellations in the night sky when the earth is at location A, but the visualization by an observer may change when the earth is located at location C, this is because of the gradual and continuous rotation of the earth on its axis.
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Permeability is _____ . Select one: a. the ability of a solid to allow fluids to pass through b. the process by which plants release water vapor to the atmosphere c. the amount of water vapor in the air relative to the maximum amount of water vapor the air can hold. d. the percentage of pore space in the rock
Answers
Answer:
A. The ability of a solid to allow fluids to pass throughExplanation:
Greetings !Permeability of cell membrane refers to the ease with which a molecule can pass through a cell membrane. It is the rate at which the passive diffusion occurs through the membrane.
A solid's permeability refers to its capacity to permit the passage of fluids. As a result, option A is the right response.
A substance's permeability, such as that of rocks, is determined by how easily liquids can pass through it. Fluids can move through the porous material's network of interconnected spaces because of this property.
It is the speed at which the membrane's passive diffusion takes place. It is vital to the movement of fluids through porous media, such as the movement of groundwater in aquifers or of oil through rock formations.
As a result, permeability is the quality of a material that allows a fluid to pass through it. Option A offers the right response.
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Plasticity is most adaptive when the environment changes __________ throughout an organism's life.
Answers
Plasticity is most adaptive when the environment change Slowly and predictably throughout an organism's life.
The ability of individual genotypes to create various phenotypes when exposed to various environmental situations is known as phenotypic plasticity. Here, the emphasis is on the role of plasticity in evolution rather than the evolution of plasticity itself, i.e., the evolution of phenotypic traits and organismal variety through plasticity. Phenotypic plasticity is a crucial characteristic of developmental systems that enables the organism to deal with environmental variability and/or unpredictability, although its significance for adaptive evolution is still debated.
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When organisms in a population are killed by a random occurrence like a wildfire, and not because of a trait that they have the variation of the population goes down. what is this called? *
genetic drift
genetic recombination
migration
mutation
Answers
The correct answer is genetic drift. Genetic drift refers to the random changes in allele frequencies within a population due to chance events.
Genetic drift refers to the random changes in allele frequencies within a population due to chance events. It occurs when there is a random loss or gain of alleles from one generation to the next, leading to a change in the genetic composition of the population. Genetic drift is more pronounced in small populations where chance events can have a greater impact.
In the scenario described, the random occurrence of a wildfire is causing the death of organisms in the population. This event is not specifically targeting individuals based on their traits or genetic makeup but is rather a random occurrence. As a result, the individuals that are killed by the wildfire can be considered a random subset of the population.
When individuals are killed by the wildfire, their genetic material, including the alleles they carry, is lost from the population. This can lead to a decrease in the overall genetic variation of the population since certain alleles are now eliminated. The loss of alleles due to a random event like a wildfire is an example of genetic drift.
Therefore, in this case, the variation of the population decreases due to genetic drift caused by the random occurrence of the wildfire.
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Main goal of AEROBIC RESPIRATION? (Multiple Choice)
Answers
Answer:
b respiration is breathing, the main goal of aerobic respiration has nothing to do with light energy