a tapeworm is a simple bilateral animal with 3 tissue layers and no body cavity and is classified as a group of answer choices sponge flatworm mollusks cnidarian
Answers
A tapeworm is a simple bilateral animal with 3 tissue layers and no body cavity and is classified as a flatworm.
Tapeworms belong to the phylum Platyhelminthes, which includes flatworms. Flatworms are characterized by their flattened body shape and bilateral symmetry. They are considered simple animals because they lack specialized body cavities or organs for circulation and respiration.
Tapeworms have three tissue layers, which are ectoderm, mesoderm, and endoderm. These tissue layers give rise to different structures and functions within the tapeworm's body.
Unlike sponges, which belong to the phylum Porifera and have a simple cellular organization, tapeworms have more complex organ systems. They also differ from mollusks and cnidarians in terms of their body structure and organization.
Tapeworms are parasitic organisms that typically inhabit the intestines of vertebrate hosts. They have a specialized structure called a scolex, which attaches to the host's intestinal wall, and a long segmented body called a proglottid.
In summary, tapeworms are classified as flatworms, which are simple bilateral animals with three tissue layers and no body cavity.
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Related Questions
Which nutrients appear to reduce or prevent preeclampsia?
a. Calcium and vitamin D.
b. Fish oils and vitamin E.
c. Calcium and folic acid.
d. Vitamins C and E.
e. Calcium and magnesium.
Answers
Calcium and magnesium appear to reduce or prevent preeclampsia. The answer is: e.
Preeclampsia is a condition characterized by high blood pressure and organ damage during pregnancy. Studies have shown that calcium supplementation can decrease the risk of preeclampsia in pregnant women. Calcium helps regulate blood pressure and plays a role in maintaining proper vascular function.
Magnesium has also been associated with a reduced risk of preeclampsia. It helps relax blood vessels and has a beneficial effect on blood pressure. Several studies have shown that magnesium supplementation during pregnancy can lower the risk of developing preeclampsia.
While other nutrients like fish oils, vitamin E, folic acid, and vitamins C and E may have other benefits during pregnancy, the strongest evidence supports the use of calcium and magnesium in reducing or preventing preeclampsia.
Hence, the correct option is e.
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A sediment core is retrieved from the middle of the North Pacific Ocean, about 1000 kilometers (620 miles) south of the Aleutian Islands (Alaska), and at a water depth of 5000 meters (16,400 feet). The core contains coral reef fossils, which are only found in shallow, tropical waters. Develop a hypothesis that could explain this occurrence. Also, develop a test for your hypothesis.
Answers
The presence of coral reef fossils in a sediment core retrieved from the middle of the North Pacific Ocean, far from shallow tropical waters, could be explained by the hypothesis that the area was once a shallow, tropical region that underwent geological changes or shifts over time.
The hypothesis suggests that the area where the sediment core was retrieved was previously a shallow, tropical environment. Geological processes, such as tectonic movements or sea level changes, could have caused the region to transition from shallow waters to its current deep ocean conditions. These geological shifts might have submerged the previously existing coral reefs, resulting in the deposition of their fossils within the sediment core. To test this hypothesis, several steps can be taken. Geological mapping of the area would provide insights into the rock formations, sediment layers, and other geological features, helping to understand the history of the region. Paleoclimate reconstruction techniques, such as analyzing oxygen isotopes or microfossils, would offer information about past temperature and environmental conditions.
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what are the 6 summaries of the heliocentric model?
Answers
Answer:
The Foundations of the Copernican
Revolution
1. Earth is not at the center of everything.
2. Center of Earth is the center of Moon’s orbit.
3. All planets revolve around the Sun.
- but still in circular orbits
4. Earth is just one of the Planets.
5. The stars are very much farther away than the
Sun.
6. The apparent motion of the Sun and stars is due
to Earth’s rotation around itself
The evolution of the cuticle in plants was a key adaptation to terrestial living because
a. enhanced water loss.
b. enhanced absorption of nutrients from soil
c. allowed for an alternation of generation
d. helps plant to avoid drying up
Answers
The evolution of the cuticle in plants was a key adaptation to terrestrial living because it helps plants to avoid drying up.
Thus, the correct option is d. helps plant to avoid drying up.
In plants, the cuticle is a protective layer of waxy, hydrophobic substance produced by the epidermal cells. It is the layer of tissue that separates the aerial parts of the plant from the outside environment. It serves as a barrier to protect the plant from desiccation, UV radiation, and environmental stresses.The cuticle is thicker on leaves and shoots of plants that grow in dry environments, where the risk of water loss is greater.
The cuticle also helps to minimize water loss from the plant by limiting the amount of water that escapes from the plant's tissues by evaporation.Plants are considered the first organisms to live on land, and the evolution of the cuticle was a critical step in their transition from an aquatic to a terrestrial lifestyle. Without the cuticle, plants would have been unable to survive on land, as they would have dried out and died from desiccation.
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what characteristic is common to all of these conditions: hereditary spherocytosis, hereditary elliptocytosis, hereditary stomatocytosis, and paroxysmal nocturnal hemoglobinuria?
Answers
All of these conditions have RBC membrane disorders in common.
RBC membrane disorders are genetic disorders due to mutations in numerous membrane or scaffold proteins that result in reduced RBC deformability, shortened lifespan, and premature clearance of RBCs from the circulation. They are also known as Erythrocyte membrane disorders.
Erythrocyte membrane disorders consist of hereditary spherocytosis, hereditary ellipsocytosis, hereditary oocytosis, and hereditary stocytosis.
This division of erythrocyte disorders results from quantitative or qualitative defects in the membrane proteins that make up the cytoskeleton of erythrocytes.
Hereditary erythrocyte membrane disorders are caused by hereditary. This division of erythrocyte disorders results from quantitative or non-immune hemolytic anemia caused by defects in membrane proteins located in different layers of the erythrocyte membrane. Hereditary spherocytosis (HS), elliptocytosis (HE), and pyropoicytosis (HPP) are disorders of the erythrocyte cytoskeleton, and hereditary stocytosis is a disorder of erythrocyte membrane cation permeability.
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True or False host enzymes cleave the viral polyprotein into individual proteins.?
Answers
Host enzymes cleave the viral polyprotein into individual proteins. True.
When a virus infects a host cell, it hijacks the host's cellular machinery to replicate itself. One way in which this is accomplished is by synthesizing a large polyprotein, which is then cleaved into individual proteins by host enzymes.
This process of cleaving the polyprotein is critical for the virus to assemble new virions and spread the infection to other cells. Host enzymes, such as proteases, play a key role in this process by recognizing specific cleavage sites within the polyprotein and cutting it into smaller, functional units.
However, some viruses carry their own enzymes, called proteases, that cleave the polyprotein. These viral proteases are often attractive targets for antiviral drugs, as inhibiting their activity can prevent the virus from replicating and spreading.
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difference between diabetes mellitus and diuresis?? please help
Answers
Explanation:
If you have been in EMS long enough, you may well have encountered a patient with diabetes insipidus. Like many, you may have assumed that it is a variant of the common disease diabetes mellitus. Actually, diabetes mellitus and diabetes insipidus are totally unrelated other than the name. The term diabetes is derived from Latin (originally Greek) and means “to go through or siphon,” referring to a large amount of urine produced by the kidneys. The term melitus, in Latin, means “sweet.”
What features of the boulder make it hard to move?
Answers
Answer:
Boulder or large rocks have a greater mass and volume. In this case, boulders are quite difficult to move than smaller rocks.
Explanation:
Evolution is sometimes a controversial topic. Write an essay (minimum 5 short paragraphs) including the following:
What is your opinion about evolution?
Do you think there should be a controversy?
Do you think alternatives to evolution should be taught in schools?
Why or why not?
Answers
"What is your opinion about evolution?"
Evolution is very controversial, I can agree. But in my opinion, evolution is the only explanation for why we have creatures and living things on this planet, makes more sense than some space guy making every single animal and plant in seven days, simply because no one on Earth has that power, and it's downright impossible. I, personally am an Atheist, so my opinion is going to be different than most people's opinions on the matter itself.
"Do you think there should be a controversy?"
Honestly, no. Christians and peoples of other religion get mad because a scientific fact meddled with their original opinion. Now, here's my opinion. It's ok not to accept change at first, that's an expected human reaction. But people, over time, accept change. But it's been 63 years since the theory was first published, and Christian society is still angry that a simple fact had ruined their entire ideology. I wouldn't say believing in God is simply a façade, but I will say that you should be accepting to other people's view of their own world.
Oh yeah, and although I refer evolution as a scientific fact even though the scientific community considers it a theory, is because we have direct evidence for this "theory", so what would be the point of calling it a theory.
"Do you think alternatives to evolution should be taught in schools?"
Depends if the school is more science-based or religiously-based. Until people can learn and accept the changes that have taken place in society, alternatives for evolution, like the Genesis chapter from "The Sacred Text", would probably have to be considered for Christian schooling. Meanwhile, more science centric schools can still teach evolution, even if Karen complains about it.
Well there's my essay. When I first started my account, I had asked two questions like this one. I honestly enjoyed writing my feelings, it's really rare when I get to find questions like these on Brainly. Thanks!
What is the importance of cell membranes to supporting life?
Answers
Answer:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell. I hope this helps you :)
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most animal cells are surrounded by a layer of water with dissolved substances. For animals cells to function normally, there should be equal amounts of water diffusing into and out of the cell. Which type of surrounding fluid would result in equal amounts of water diffusing into and out of a cell?
A. Water with a higher concentration of solutes than the cytosol.
B. water with a lower concentration of solutes than the cytosol.
C. Water with the same concentration of solutes as the cytosol
Answers
Answer:
The fluid is called= isotonic
Explanation:
In an isotonic environment, the relative concentrations of solute and water are equal on both sides of the membrane. There is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.
i hope this helps.
What is the term for the resistance of a mineral to scratching?
Answers
a minerals hardness on the mods hardness scale
Explanation:
the answer is the underlinded one
Your friend is concerned that they may be diagnosed with metabolic syndrome. Which of the following would indicate that they have metabolic syndrome? Check all that apply. Hypertension High HDL High fasting blood glucose High blood triglycerides Low HDL Hyperphagia Abdominal obesity (>35 inches female; >40 inches male) High LDL Polyuria Poor bone density Abdominal obesity (>35 inches male; > 40 inches female) Low LDL
Answers
The indicators of metabolic syndrome include hypertension, high fasting blood glucose, high blood triglycerides, abdominal obesity (waist circumference >35 inches for females and >40 inches for males), and low HDL (good cholesterol).
Metabolic syndrome is a cluster of conditions that occur together and increase the risk of developing cardiovascular disease, stroke, and type 2 diabetes. To be diagnosed with metabolic syndrome, an individual must have at least three of the following indicators:
1. Hypertension: High blood pressure is a common symptom of metabolic syndrome.
2. High fasting blood glucose: Elevated blood sugar levels, indicating impaired glucose metabolism, are associated with metabolic syndrome.
3. High blood triglycerides: Increased levels of triglycerides, a type of fat in the blood, are often observed in metabolic syndrome.
4. Abdominal obesity: Excessive fat accumulation around the waist, indicated by a waist circumference greater than 35 inches in females and greater than 40 inches in males, is a significant marker of metabolic syndrome.
5. Low HDL: Low levels of high-density lipoprotein (HDL), often referred to as "good" cholesterol, are a characteristic feature of metabolic syndrome.
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Large, circular lily pads are able to float on the water's surface.
Answers
Answer:
true
Explanation:
they're buoyancy
The property of water in "Large, circular lily pads are able to float on the water's surface" is cohesion.
What is cohesion?Cohesion refers to the attraction of one water to another. This force will cause the water in the lake to develop surface tension. The large and thin leaf of the water lily gives it a low force per area.
The leaf will float above the water if the force acting on the surface is not greater than surface tension. The ability of water spiders to walk on the surface tension of the water.
The leaves of lotus float on the water because the bottom of the leaves have edges and thick ribs that capture air between them, which helps them to float on the water.
Thus, the property of water that is shown in the given statement is cohesion.
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The question is incomplete. Your most probably complete question is given below:
Identify which property of water cohesion, adhesion, or heat capacity applies to each observation below.
1. Large, circular lily pads are able to float on the water's surface.
Contrast how DNA is contained in prokaryotes and eukaryotes
Answers
Answer:
Prokaryotic genomic DNA is attached to the plasma membrane in the form of a nucleoid, in contrast to eukaryotic DNA, which is located in a nucleus.
Explanation:
How does climate change threaten biodiversity
Answers
Answer:
Climate change can melt ice in cold regions, and because ice is freshwater it can change the salinity of the oceans. Some marine animals may not cope with these conditions and may die as a result. This threatens biodiversity because there would be less species of marine life in our oceans.
Which parts of the scientific process differentiate it from pseudoscience? Select two options.
Options:
stating facts based on opinions
using models and experiments
asking new questions
making subjective claims
having explanations that answer all questions
Answers
The two parts of the scientific process that differentiate it from pseudoscience are using models and experiments, and asking new questions.
Two parts of the scientific process that differentiate it from pseudoscience are using models and experiments and asking new questions. In science, models and experiments are used to test hypotheses and theories and to collect data that can be analyzed objectively.
Asking new questions is also an essential part of the scientific process, as it leads to new discoveries and advances in knowledge. Pseudoscience, on the other hand, often relies on subjective claims and lacks rigorous testing through experiments and models. Additionally, pseudoscience may make claims that cannot be tested or answered by scientific explanations.
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when considering executive function in the context of the tower of london task, a person who uses an excessive number of moves to complete the task may have damage to which brain region(s)?
Answers
When considering executive function in the context of the Tower of London task, a person who uses an excessive number of moves to complete the task may have damage to the prefrontal cortex, specifically the dorsolateral prefrontal cortex, which is associated with planning, problem-solving, and other aspects of executive function.
When considering executive function in the context of the Tower of London task, a person who uses an excessive number of moves to complete the task may have damage to the prefrontal cortex region of the brain. The prefrontal cortex is responsible for planning, organizing, and problem-solving, which are all important cognitive processes required to complete the Tower of London task efficiently. Damage to this region can result in impairments in executive function and lead to difficulties with tasks that require complex planning and decision-making, like the Tower of London task.
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Describe the relationship between the wavelength and frequency of electromagnetic waves
Answers
Answer:
Frequency is inversely proportional to wavelength.
Explanation:
frequency is the number of oscillations in a unit of time.
Wavelength is the length between one oscillation and the next oscillation.
take two springs and 4 pins. (springs should have loops or hooks at terminals to attach to pins.)
Now get two pins and pin them at a certain distance apart.
take the first spring and attach its two terminals to the pins.
Repeat the above procedure, but double (increase the distance x2) the distance between two pins.
Now you have to measure how many coils are there within 5cm of the two springs.
you'll observe that the second spring has half the coils of the first spring within 5cm.
In here no. of coils is the frequency
5cm length is time.
distance between coil is the wavelength.
The most important physical factor affecting rocky intertidal communities is ________.
Answers
The most important physical factor affecting rocky intertidal communities is the tidal cycle.
The tidal cycle causes two distinct conditions in the intertidal zone: high tide, when the zone is submerged in water, and low tide, when the zone is exposed to the air. During high tide, the intertidal zone is populated with a variety of marine life, including algae, mollusks, crustaceans, and echinoderms, who get their nutrients from the water and protection from predators.
During low tide, the intertidal zone is exposed to the air, and the rocky substrate is exposed. This causes a drastic change in the intertidal community, as the air is much drier and the temperature is much higher than the water it is usually exposed to.
This can be detrimental to species that require cooler temperatures to survive, like certain species of algae and mollusks, while other species, such as crabs and shorebirds, thrive in the warmer air. As a result of the tidal cycle, a wide variety of species is able to inhabit the intertidal zone, creating a diverse and dynamic community.
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one of the major problems with the theory of mind-body dualism is identifying and demonstrating how the immaterial mind relates to and acts on the physical body/brain.
t
f
Answers
One of the major problems with the theory of mind-body dualism is identifying and demonstrating how the immaterial mind relates to and acts on the physical body/brain, the given statement is true because the theory of mind-body dualism is based on the idea that the mind and the body are separate entities.
The mind is considered to be an immaterial entity, while the body is a physical entity, the theory suggests that these two entities interact with each other, but the nature of this interaction is not well understood. One of the major problems with the theory of mind-body dualism is identifying and demonstrating how the immaterial mind relates to and acts on the physical body/brain. Some philosophers argue that the mind is able to influence the body through the process of causation. Others suggest that the mind is able to influence the body through the process of interaction or correlation.
It can be concluded that the theory of mind-body dualism is based on the idea that the mind and body are separate entities that interact with each other, but the nature of this interaction is not well understood. One of the major problems with this theory is identifying and demonstrating how the immaterial mind relates to and acts on the physical body/brain. Some philosophers suggest that the mind is able to influence the body through causation while others suggest that it is able to influence through interaction or correlation. So therefore the given statement is true because the theory of mind-body dualism is based on the idea that the mind and the body are separate entities.
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what is the net ionic equation and what are the spectator ions of Bel2(aq) + PbSO4(aq) = BeSO4(aq) + Pbl2(s)
Answers
Explanation Worked out
please define menstruation
Answers
Answer:
a cyclical discharging of blood, secretions, and tissue debris from the uterus that recurs in nonpregnant breeding-age primate females at approximately monthly intervals and that is considered to represent a readjustment of the uterus to the nonpregnant state following proliferative changes accompanying the preceding ovulation
What happens inside your body when you ride a thrilling roller coaster? (5 points)
1 The adrenal glands release adrenaline.
2 The adrenal glands release glucagon.
3 The thyroid gland releases glucagon.
4 The thyroid gland releases adrenaline.
Answers
The Adrenal glands release adrenaline when one rides a thriller roller coaster.
Adrenaline is a type of hormone that is released inside the boy by the adrenal glands when the mind senses any kind of danger to the individual like running away from an attack or getting ready for a fight or even when in terms of sports etc.
When one rides the roller coaster the body starts to predict the possible danger to the individual and as the sudden movements of the body fluids start to take place when in motion the mind takes it as a sense of danger and starts preparing the body for the danger by producing adrenaline.
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Answer: The Adrenal glands release adrenaline when one rides a thriller roller coaster.
Explanation:
What happens when a saturated solution is cooled from 50°C to 30°C?
Answers
Answer:
i think the partition will be occur
What is one of the
PRODUCTS of
photosynthesis?
A. glucose
B. carbon dioxide
C. water
Answers
Answer:
The answer is A. Glucose
Explanation:
It is glucose.
The epidermis of a leaf _____.
protects the inner parts
contains chloroplasts
stores food and water
all of the above
Answers
Explanation:
Epidermis covers the upper and lower surfaces of the leaf. Usually a single layer of tightly-packed cells, the epidermis mediates exchanges between the plant and its environment, limiting water loss, controlling gas exchange, transmitting sunlight for photosynthesis, and discouraging herbivores.
Answer:
all of the above
Which two factors are considered in determining cell efficiency?
A: The ratio to surface area
B: The surface area to volume
C: The surface area to mass
D: The volume to surface area
Answers
Why are the supraorbital height and thumb indexes important measurements in
comparing primates
Answers
The supraorbital height is an important measurement in comparing primates because they give information related to the size of the skull above the eyes.
What do you mean by Primates?Primates may be defined as those organisms which generally have flexible hands and feet with opposite first digits, good eyesight, and, in the higher apes, a highly developed brain.
As primates have an internal system, it is required to measure their skull size, thumb length, etc. So, the above techniques are used for measurement and comparison.
Therefore, it is well described above.
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Mrs. Franklin's science class is conducting an experiment with corn plants. The students planted 100 corn kernels. Green plants sprouted from 78 of the kernels. The other 22 kernels grew into white plants, which contained no chlorophyll. What inference can be made about the genotype of the corn? A White color is dominant over green. B Green color and white color are equally recessive. C White color and green color are equally dominant. D Green color is dominant over white.
Answers
Answer:
D- Green color is dominant over white
Explanation:
For a heterozygous cross, the dominant one will show around 75% of the time where the recessive will show around 25% and 78 and 22 and very close to those numbers!
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