The mantle plays an important role in the development of mollusks. Which group shows reduced activity of the mantle in producing a shell for some members
Answers
The mantle plays an important role in the development of mollusks. The group that shows reduced activity of the mantle in producing a shell for some members are the Cephalopods.
What is the mantle in Mollusks?
The mantle is a fleshy body structure in mollusks. It encloses the visceral mass and is located between the shell and the body. The mantle is important in the formation of the shell that protects the body from external injuries and predators. It is an important part of the mollusk's body that plays an important role in the development of mollusks. Mollusks come in a variety of sizes and shapes and can be found in many different environments such as freshwater, saltwater, and terrestrial environments. Cephalopods have reduced activity of the mantle. Cephalopods, on the other hand, are the group that shows reduced activity of the mantle in producing a shell for some members. Although some cephalopods, such as the nautilus, have a shell, others, such as octopuses and squids, lack an external shell entirely. This loss of the shell is most likely due to the cephalopods' evolution of a more active and powerful lifestyle, which necessitates a reduction in the heavy and cumbersome shell that mollusks have. Thus, it can be concluded that the group that shows reduced activity of the mantle in producing a shell for some members are the Cephalopods.
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Related Questions
planets orbit in perfect circles around stars .... • true •false
Answers
Answer:
I want to say false... but I'm not entirely sure sorry if it's wrong :(
Explanation:
Answer:
Explanation:
I want to say true but if you think bout it nothing is perfect so i am going to say false sorry if i am wrong
Elisa feels tired because she has a condition that affects whether the right molecules are getting to her cells. If her body were functioning correctly, this is what would happen with oxygen
Answers
Answer:
The oxygen is available in a right amount.
Explanation:
The oxygen is available in a right amount because her body were functioning correctly and we know that our body functioning correctly if it gets oxygen in a right amount otherwise body will not perform correctly its functions. The tiredness Elisa feels is due to her routine work which can be eliminated by doing rest for sometime so after resting sometime she feel better and active.
Elsie has the right amount of oxygen needed by the cells if her body were
functioning correctly.
Oxygen is an important in the body's metabolic processes and help in the
metabolism of glucose to energy which is needed by all the cells of the
body. When the oxygen is deficient , the blood won't be able to pump
oxygen through the blood to body cells.
This then results in decreased cell functions and metabolism thereby causing tiredness , cell damage and death if severe.
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Zoo H Ch. 38 Ws Animal Ecology Name
Date
Pd
CrossWorld
7
10
2 pat
ACROSS
mimicry
1o an example of a
secondary consumer
11 density
12 king shake
ninics a
13 plants are primary
16 a pyramid is
lost at ca. level
17 an example of a top
20 different species
that interact
22 energy
24 an example of a
resource
25 competitive
26 job or role
27 animal oats - plant
DOWN
1 an example of a
consumer
is the
greatest threat
3 the owl is the top
4 both benefit
5 resources
601T pop. have the
ability to grow
7 density
break down dead
organic matter
9 interconnected
pathways
are a food
13 one benefits; host
is harmed
14 an individual
15 ecological
18 both the living &
nonliving
19 an example of a
decomposer
21 batesian
23 relationship between
animals & environ.
11
12
15
13
16
17
18
20
21
22
23
24
25
26
27
Answers
Answer:
tuyyuuy yang utama adalah hal yg sama berulang-ulang dan terus
Explanation:
hjooyffhiu ini Dion LG belajar tema yang nomor satu di antara mereka yang nomor satu di antara mereka yang nomor satu di antara mereka yang
Common risk factors to oral disease in seniors include all of the following but NOT:
mental health
access to dentist
medications
diet
Answers
The common risk factors for oral disease in seniors include access to a dentist, medications, and diet, but NOT mental health.
Common risk factors to oral disease in seniors include access to dental care, medications, and diet. Mental health, on the other hand, is not considered a direct risk factor to oral disease but it can have an indirect effect. Seniors who experience depression or anxiety may be less likely to prioritize their oral health care or follow a healthy diet, which can increase their risk for oral disease.
However, mental health alone is not considered a direct risk factor to oral disease in seniors. It is important for seniors to have regular access to dental care, maintain a healthy diet, and understand how their medications may impact their oral health to prevent oral disease.
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The accelerated growth and advances in taxonomy as a science occurred during:
the 1600's in England
the Renaissance
Roman culture
Greek culture
Answers
The accelerated growth and advances in taxonomy as a science occurred during B. the Renaissance
What is Taxonomy?This refers to the branch of science that has to do with the classification of plants and animals into a particular genus, or family based on shared characteristics and other biological factors.
Hence, we can see that during the Renaissance, the first breakthrough that occurred in the area of taxonomy came courtesy of the scientist Andreas Vesalius who wrote a treatise on the subject in the year 1543.
Also, the growing popularity of this topic led to the foundation of the first botanic garden in Padua, Italy.
Therefore, option B is the answer.
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The first major advance in taxonomy during the Renaissance was credited to the scientist Andreas Vesalius, who published a dissertation on the subject in 1543. Thus, option B is correct.
What contribution of Renaissance in science growth?The Renaissance saw the development of both the telescope and the microscope. This was brought on by advances in lens manufacturing.
With the introduction of the printing press and an increase in readers, these better lenses also aided in the creation of spectacles.
Therefore, the accelerated growth and advances in taxonomy as a science occurred during the Renaissance.
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What are some synthetic resources made from wood, water & iron?
Answers
ANSWER:
WOODWood can be classified as either hardwood or softwood.
Wood can be classified as either hardwood or softwood. Hardwood comes from deciduous trees. These are trees that lose their leaves in the fall. Hardwood is usually used to make furniture and in construction projects that need to last for a long time. Examples of hardwoods are oak, maple, and walnut.
A tooth has an exposed ______, a constricted ______, and one or more roots that anchor it to the jaw. multiple choice question.
Answers
Answer:
crown, neck.
Explanation:
A tooth has an exposed crown, a constricted neck, and one or more roots that anchor it to the jaw.
The bone that forms the back of the skull, indenting above the nape area, is the: A) frontal. B) parietal. C) occipital. D) temporal.
Answers
The bone that forms the back of the skull and indents above the nape area is the C) occipital bone.
The human skull is a complex structure that provides protection for the brain and supports various sensory organs. It is composed of several bones that articulate with each other. Here are the main parts of the cranial bones:
Cranial Bones: These bones form the top and back of the skull, encasing and protecting the brain. The cranial bones include:
1) Frontal Bone: Forms the forehead and the upper part of the eye sockets.
2) Parietal Bones: Two bones located on the sides and top of the skull.
3)Temporal Bones: Two bones on each side of the skull, housing the ears and forming part of the sides and base of the skull.
4) Occipital Bone: Forms the back and base of the skull.
5)Sphenoid Bone: Butterfly-shaped bone located at the base of the skull, behind the eye sockets.
6) Ethmoid Bone: Located in front of the sphenoid bone, contributing to the nasal cavity and eye sockets.
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Please help I'll give brainless plz
Answers
Answer:
Respiration
Explanation:
Respiration
they produce ethanol and co2
In pea plants, flower color and the length of the flower's pollen grains are genetically determined. Researchers studying pea plants crossed homorygous dominant pea plants with homozygous recessive pea plants. The F, plants were then crossed, and the number of offspring with each phenotype was recorded. The researchers' observed data, however differed from the expected data The researchers didachi square analysis and calculated the chi-square value to be 5.5. Based on their calculation, the researchers would most likely conclude which of the following The genes that determine these two traits are likely on the same chromosome. The differences between observed data and expected data are due to chance The genes mutated since the researchers began the experiment and now have a different inheritance pattern The allele frequencies of the offspring have changed, suggesting the population is evolving
Answers
It is possible that the allele frequencies of the offspring have changed, suggesting that the population is evolving. This could be due to natural selection, genetic drift, or other evolutionary forces. However, without further investigation, it is impossible to determine the cause of the differences between the observed and expected data.
The researchers studying pea plants crossed homozygous dominant pea plants with homozygous recessive pea plants. This is a classic experiment in genetics known as a monohybrid cross, where only one trait is being studied. In this case, the trait being studied is flower color. Homozygous dominant pea plants have two copies of the dominant allele, while homozygous recessive pea plants have two copies of the recessive allele. When these two types of plants are crossed, all of the offspring will be heterozygous, meaning they have one copy of the dominant allele and one copy of the recessive allele. This is known as the F1 generation.
The F1 plants were then crossed, and the number of offspring with each phenotype was recorded. The phenotype is the physical appearance of the trait being studied. In this case, the phenotype is flower color. The researchers expected a 3:1 ratio of dominant to recessive phenotypes, based on Mendelian genetics. However, the observed data differed from the expected data. The researchers did a chi-square analysis to determine if the differences between the observed and expected data were statistically significant. They calculated the chi-square value to be 5.5.
A chi-square test is used to determine if the differences between the observed and expected data are due to chance or if there is some other factor involved. The chi-square value is compared to a table of critical values to determine the probability of obtaining the observed data by chance. If the probability is less than 0.05 (i.e., p < 0.05), then the differences between the observed and expected data are considered statistically significant.
Based on the chi-square analysis, the researchers would most likely conclude that the differences between the observed and expected data are not due to chance. However, this does not necessarily mean that the genes that determine these two traits are on the same chromosome or that the genes have mutated. It simply means that there is some other factor involved that is causing the observed data to differ from the expected data.
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what are three main differences of a plant and animal cell ?
Answers
Answer:
Plant Cell has large Vacuoles, Cell walls, and chloroplasts, but while Animal Cells don't have cell walls and chloroplasts, they do have small vacuoles
Answer #7 and will mark brainliest
Answers
Answer:
the fact that the bubbles of carbon are bursting due to the high amount of drilling recently
Explanation:
Which motion describes molecules in a solid at extremely low
temperatures? *
Moving freely and randomly in a space
Vibrating while closely packed together
Sliding around one another and colliding
Bumping together with some room to move
Answers
Answer:
vibrating while closely packed together
Explanation:
Your question has been heard loud and clear.
Vibrating while closely packed together is the right answer
1) What would happen to the amount of carbon dioxide in a closed terrarium if most of the plants were
removed?
2) What would happen to the amount of carbon dioxide in a closed terrarium if the number of grasshoppers doubled?
3) What would happen to the amount of oxygen in an aquarium if more fish were added?
Answers
2) The amount of carbon dioxide in a closed terrarium would increase if the number of grasshoppers doubled.
3) The amount of oxygen in an aquarium would decrease if more fish were added.
3. Why are bats able to live much onger than
mice - even mice that have been
protected
their entire lives in a lab setting?
Answers
The scientists' findings suggest that these bats' cells have the ability to maintain and repair their telomeres. ... Based on its body size, a bat like the greater mouse-eared bat would be expected to live four years. But, these mammals have been found to live nearly 10 times longer than that.
Bats have a longer lifespan compared to mice, even when the mice are protected throughout their lives in a laboratory setting, due to a combination of genetic, physiological, and lifestyle factors.
Bats have a lower metabolic rate compared to mice. Generally, animals with lower metabolic rates tend to live longer. This is because a slower metabolism produces fewer metabolic byproducts, such as free radicals, which can cause damage to cells and tissues over time.
Bats have more efficient DNA repair mechanisms. DNA damage is one of the main factors contributing to aging and age-related diseases. Bats have evolved enhanced DNA repair mechanisms, which help them maintain the integrity of their genetic material for longer periods, reducing the accumulation of age-related damage.
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Which step in photosynthesis does not need light
Answers
Answer: carbon fixation phase
Explanation:
Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it? Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it? How did RNA sequences come to carry the code for amino acid sequences? How could polymers involving lipids and/or proteins form membranes in aqueous environments? How can amino acids, simple sugars, and nucleotides be synthesized abiotically? How can RNA molecules act as templates for the synthesis of complementary RNA molecules? How can RNA molecules catalyze reactions?
Answers
Answer:
The answer is "Option C".
Explanation:
please find the correct question in the attached file.
Initially, its conversion of its RNA community through cDNA fragments is a technical step. In the RNA, therefore be placed in an NGS layout. Its sequence also utilizes either one-reading or one-end standard provided, in this connector were added for each end for fragments.
RNA-seq analysis is mainly used to identify genetic changes, verbal behavior, and stitched analyses. It is a useful waste material-product of sequence-based molecular imaging, although there are many drawbacks, like the low distinction of gene distribution.
what must happen before the concentration of adh in the blood increases?
Answers
Before the concentration of ADH (antidiuretic hormone) in the blood increases, there needs to be a stimulus that triggers its release from the hypothalamus in the brain.
This stimulus can be a decrease in blood volume or an increase in blood osmolality (concentration of solutes), which are detected by specialized cells in the hypothalamus called osmoreceptors.
Once these stimuli are detected, the hypothalamus sends signals to the pituitary gland to release ADH into the bloodstream, which then acts on the kidneys to increase water reabsorption and decrease urine output.
The pituitary gland secretes antidiuretic hormone into the blood, which is made by the hypothalamus of the brain. Antidiuretic hormone can be released in large quantities by certain types of tumors, which can result in low blood sodium levels and water retention.
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Examine the following graph. What can be said about the graph
Answers
Answer:
The object moves with constant, negative acceleration.
what things make profession of different level
Answers
Answer:Alchemy. The best companion for this profession is Herbalism, as early alchemy relies almost exclusively on herbs for the potion... THEIR ARE DIFFERENT KIND OF LEVELS ALSO AND THEY ARE AS FOLLOWS:
Entry-level.
Intermediate.
Mid-level.
Senior or executive-level.
MAY IT'S HELPFUL FOR U MATE
How do the two members of a pair of homologous chromosomes differ from each other?
Answers
The two members of a pair of homologous chromosome differ because they have different alleles of the same gene.
Two chromosomes in a brace, one inherited from the mama and one from the father. For illustration, the two clones of Chromosome 1 in a cell are appertained to as homologous chromosomes. The chromosomes in a homologous brace have the same genes in the same order, but there may be variation between them, performing in different alleles. Some of the variants in these alleles may have functional counteraccusations , while others may not. During meiosis, homologous chromosomes line up and recombination occurs between them. This results in gametes with unique combinations of alleles on each chromosome, and therefore unique individualities.
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After a virus uses a host cell, the host cell often
is damaged or destroyed
develops a capsid
is no different than before
is refreshed and healthy
Answers
So the answer is: Develops a Capsid(:
Answer: is damaged or destroyed
Explanation:
Assuming that a particular disorder is caused by an allele of a single gene, what feature of a pedigree would allow one to conclude that the disorder was caused by a dominant allele?.
Answers
Answer:
If a particular disorder is caused by a dominant allele of a single gene, then the following feature of the pedigree would allow one to conclude that the disorder is dominant:
If one of the parents has the disorder, and the offspring of that parent also have the disorder, then the disorder is likely caused by a dominant allele. In this case, the dominant allele would have a 50% chance of being passed on to each offspring, and therefore, approximately half of the offspring would be expected to have the disorder if it is caused by a dominant allele.
If the disorder were caused by a recessive allele, then it would only be expressed in individuals who inherit two copies of the allele (one from each parent). In this case, if one parent is a carrier of the recessive allele, then approximately 25% of their offspring would be expected to have the disorder if the other parent is also a carrier. If both parents have the disorder, then all of their offspring would be expected to have the disorder.
Therefore, by examining the pattern of inheritance of the disorder in a pedigree, one can often infer whether the disorder is caused by a dominant or recessive allele of a single gene.
Explanation:
FILL THE BLANK.
"The amount of gases that can dissolve in seawater depends on
temperature and ____________________.
Group of answer choices
nutrients
depth
currents
salinity"
Answers
"The amount of gases that can dissolve in seawater depends on temperature and salinity." The quantity of dissolved salts in saltwater is known as salinity. It is one of the main elements affecting how soluble gases are in salt water.
The idea of colligative qualities can be used to explain the connection between salinity and gas solubility. The osmotic pressure produced by salts in saltwater, such as sodium chloride, has an impact on the solubility of gases.
Osmotic pressure rises in tandem with rising saltwater salinity. Gases are less soluble in water as a result of the higher osmotic pressure. Because of this, saltwater with a greater salinity has a lesser ability than seawater with a lower salinity to dissolve gases.
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what kind of dams that beavers make
Answers
Answer:Beavers build their dams out of trees and branches that they cut using their strong incisor (front) teeth! They also use grass, rocks, and mud.
Explanation:beaver impoundments
Beaver dams or beaver impoundments are dams built by beavers to provide ponds as protection against predators such as coyotes, wolves, and bears, and to provide easy access to food during winter.
Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Answers
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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How did the distribution of traits for neck length change in this ostrilope population after 25 generations in an environment with only tall thornpalms
Answers
The neck length greatly change among the traits after 25 generations in an environment with only tall thornpalms.
Effect on distribution of traits due to change in environmentThe distribution of traits for neck length greatly change in this ostrilope population after 25 generations in an environment with only tall thornpalms because the traits having short neck length extinct from that environment due to unavailability of food for them.
In this environment only long neck traits can survive and live due to the presence of food source at high position so we can conclude that the neck length greatly change among the traits after 25 generations in an environment with only tall thornpalms.
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4 Identify What are the functions of proteins in
organisms?
Answers
Some functions of proteins are:
Serve as enzymesStructural SupportTransport and StorageHormonesImmunityWhat are proteins?Proteins are expansive, complex atoms that are basic to the structure, work, and direction of cells and living beings. They are made up of chains of littler units called amino acids. Amino acids are connected together through chemical bonds known as peptide bonds to create polypeptide chains, which at that point overlap into particular three-dimensional structures.
The grouping of amino acids in a protein is decided by the hereditary code put away in an organism's DNA. This hereditary data is deciphered into flag-bearer RNA (mRNA) atoms, which are at that point interpreted by cellular apparatus called ribosomes to synthesize proteins.
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TRUE/FALSE. some careers emerge to address the environmental impact human behaviors and processes might be having on our planet.
Answers
True, some careers emerge to address the environmental impact human behaviors and processes might be having on our planet.
The majority of the actions people take in their everyday lives have a significant impact on the environment. These activities, from basic day-to-day processes to the products and services we use, all have an environmental impact. Environmental conservation refers to the protection, restoration, and sustainable use of environmental resources.
Environmental conservation as a career
Environmental conservation has become an industry in and of itself, with a growing demand for experts who can help conserve natural resources, implement more sustainable policies and practices, and educate others on the importance of environmental conservation. Environmental conservationists, environmental scientists, and environmental engineers are all examples of professions that deal with environmental conservation. These professions aim to improve the environment by addressing human processes and behaviors that are contributing to environmental degradation and developing new solutions to these issues.
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Use the meanings of the prefixes and suffixes in the table to form words that will match these definitions
Answers
Answer:
Zoology: The study of animals
-----> Zoo- = related to animals
-----> -ology = study of
Chlorophyll: a green pigment located in plant leaves necessary for photosynthesis
-----> chloro- = green
-----> -phyll = leaf
Microscope: an instrument used to view small objects
-----> micro- = small
-----> -scope = instrument for viewing
Multicellular: having many cells
-----> multi- = many
-----> -cellular = having to do with cells
Hydrolysis: when a chemical breaks when reacting with water
-----> hydro- = related to water
-----> -lysis = a releasing, loosening, or breaking
Osteopathy: a branch of medicine involving the treatment of diseases through manipulation of the bones, muscles, and/or joints
-----> osteo- = bone
-----> -pathy = suffering, disease
Photosynthesis: the process by which organisms use light to put together food made up of carbon dioxide and water
-----> photo- = light
-----> -synthesis = to put together
Excretion: the process of separating/expelling waste from the body
-----> ex- = out
-----> -cretion = the process of separating
Macrophyte: a plant large enough to be seen by the human eye
-----> macro- = large
-----> -phyte = plant
Biometer: an instrument used to measure evolved carbon dioxide in an effort to detect life
-----> bio- = life
-----> -meter = instrument used to measure