The three common feature of all molluscs are: presence of mantle, muscular foot and unsegmented body.
Molluscs is the name that refers to the organisms of the phylum Mollusca. These are the animals that are invertebrates. The phylum constitutes the second largest phylum of the animal kingdom. The examples include: snails, oysters, clams, etc.
Mantle is the outer body wall of the molluscs. It is soft and fleshy in appearance. It may sometimes be covered by calcifies plates for strengthening. It covers the visceral mass of the Molluscs. This mantle secretes the calcium carbonate for the formation of shell of molluscs.
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I can live for over 3000 years
I am found in the drier regions of africa
i belong to the family of Malvaceae
sometimes I am referred to as the upside down tree
I am known as the tree of life
who am I
PICK A NUMBER PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Answer:
2
Explanation:
Edit- lol i just guessed
Answer:
X needs 2 and that will balance out you equation
So the answer would be 2!
Explanation:
- 英辞郎 <3
fresh shell eggs must be refrigerated upon receipt, at an ambient temperature of ____
In order to receive raw eggs, refrigeration equipment that keeps the surrounding air at or below 7°C (45°F) is required.
How should shell eggs be kept at room temperature?45 degrees Fahrenheit According to regulations published in 9 CFR 590.50 by the Food Safety and Inspection Service of the United States Department of Agriculture, shell eggs intended for human consumption must be transported and stored in refrigeration at a temperature of 45 degrees Fahrenheit (7.2 degrees).
Which temperature is the warmest for shell eggs to be received?These amendments require that shell eggs packed for consumption be transported and stored at a temperature of 45°F (7.2°C) or less under refrigeration.
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Why antibiotics are classified as drugs and useful drugs? Please helpp
Answer:
Antibiotics, also known as antibacterials, are medications that destroy or slow down the growth of bacteria. They include a range of powerful drugs and are used to treat diseases caused by bacteria. Antibiotics cannot treat viral infections, such as cold, flu, and most coughs.
Explanation:
What is the powerhouse of the cell?
Answer:
Mitochondria
Hope that helps! :)
-Aphrodite
Explanation:
how the expansion of housing developments in southern California might limit coyote population in the area
Answer:
Explanation:
There are several ways in which the expansion of housing developments in southern California might limit coyote population in the area:
Habitat loss: As housing developments are built, natural habitats are often destroyed, which can limit the available space for coyotes and other wildlife.
Human-wildlife conflict: As housing developments bring more people into close proximity with coyotes, there is an increased likelihood of conflict between humans and coyotes. This can lead to coyotes being killed or removed from the area.
Fragmentation of habitat: The expansion of housing developments can also lead to the fragmentation of coyote habitat, making it more difficult for coyotes to move and interact with other members of their species.
Changes in prey availability: Housing developments can also alter the availability of prey for coyotes, which can impact their population size.
Overall, the expansion of housing developments in southern California can have a negative impact on coyote populations by limiting their habitat, increasing the likelihood of conflict with humans, and disrupting their natural behaviors and ecological relationships.
Identily human activities that lead to deforestation Select as many that apply
A dearing land for farms and pastures
B. planting trees in city parks
C. ercion caused by hurricane winds and storm surge
D. building roads, and houses
Answer:
D. Building roads and houses
Explanation:
Hope this helps :)
What foods are rich in proteins?
Animal products
Fruits
Vegetables
Carbohydrates
Answer:
Animal products, sometimes vegetables
Explanation:
Animal products, sometimes vegetables. This is because all animals are made with protein.
Researchers typically stress that a key aspect of intelligence is ______. a. the ability to speak different languages b. the Y chromosome
Researchers typically stress that a main aspect of intelligence is C: "the ability to adapt to new situations".
Intelligence is described as the ability to solve complex issues or make decisions that benefit the actor, and it has evolved in life forms to adapt to various environments or circumstances for survival and reproduction. Researchers define intelligence in various ways such as the capacity for logic, abstraction, self-awareness, learning, understanding, emotional knowledge, creativity, critical thinking, reasoning, planning, and problem-solving.
Thus, people's ability to adapt to new situations or circumstances is attributed to a key aspect of intelligence by researchers.
"
Complete question:
Researchers typically stress that a key aspect of intelligence is ________.
a. the ability to speak different languages
b. the Y chromosome
c. the ability to adapt to new situations
d. only accurate for males
"
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Which of the following is not true about sexual reproduction?
A.) Sexual reproduction involves gametes.
B.) Through sexual reproduction, traits and characteristics of the species are passed to the offspring.
C.) Most multicellular organisms reproduce through sexual reproduction.
D.) Sexual reproduction involves the simple division of a cell.
The FBI uses the ________________ DNA fingerprint for its CODIS database. a. mtDNA c. Polymerase Chain Reaction b. y-chromosome d. Short Tandem Repeat
The correct option is D ; Short Tandem Repeat , The FBI uses the Short Tandem Repeat DNA fingerprint for its CODIS database
The DNA profile for Forensic STR DNA analysis comprises of one or two alleles at the 20 CODIS Core Loci.
CODIS allows federal, state, and local crime laboratories to electronically share and compare DNA profiles, therefore correlating crimes and convicted perpetrators.
a DNA database system that comprises DNA profiles of persons provided by state and federal entities. convicted offenders, arrestees, legal prisoners, forensic casework, Bhuman remains, missing individuals, families of missing persons.
CODIS is the FBI's national DNA information repository, which allows state and local crime laboratories to store and compare DNA profiles from crime scenes and convicted criminals.
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Full Question ;
The FBI uses the ________________ DNA fingerprint for its CODIS database.
a. mtDNA
c. Polymerase Chain Reaction
b. y-chromosome
d. Short Tandem Repeat
which sentence is an example of a run-on sentence as a scared for birds and their winter he can help by feeding them
When two separate clauses are combined without the required punctuation or conjunctions, the phrase becomes run-on.
Food is scarce for birds in the winter you can help by feeding them.
Comma splicing and run-on sentences are mistakes that go hand in hand. While a comma splice happens when a comma is used to divide two distinct clauses, a run-on sentence happens when numerous independent clauses are not punctuated or connected in a single phrase.
Run on means to continue: continue. To continue (stuff in type) without a pause or a new paragraph: transitive verb run in. : To add or add anything to the conclusion of a paragraphed item, such as an entry from a dictionary.
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The picture illustrates three cross sections of rock layers from three different areas.
1
2
3
U
w
Y
X XT
PANEN
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0
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0001
Answer:
hii can u PLZ put up the picture so that I can help u with this.Have a great day or night
A Toss of the Dice- A Population Simulation (Please help!)
3. What was the control in this experiment? How can you tell?
4. What was the dependent variable in this experiment? How can you tell?
5. What were the independent variables in this experiment?
Answer:
zcxvbnm,,
Explanation:
Which two molecules bond together to form a disaccharide?
Answer:
Monosaccharides
Explanation:
Joining two Monosaccharides will create a Disaccharide. For example, the monosaccharides, glucose, and fructose bond together to form the disaccharide sucrose, which is produced by plants and is used in white sugar.
Which one of the following is not a major pollutant of Chesapeake Bay?
a. Toxins
b. Wastes from aquatic organisms
c. Nutrients, particularly nitrogen and phosphorus
d. Soil and other sediments
Wastes from aquatic organisms is not a pollutant of Chesapeake Bay .
Major contributors to the poor health of Chesapeake Bay are nitrogen, phosphorus, and sediment. High levels of nitrogen and phosphorus fuel unnaturally high levels of algae growth in the water, blocking sunlight from reaching underwater grasses that serve as food and habitat.What is pollutant?A pollutant is a substance that is present in concentrations that may harm organisms (humans, plants and animals) .It exceed an environmental quality standard. The term is frequently used synonymously with contaminant.To know more about pollutants here
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A fixed pattern of long and short notes that is repeated or varied is known as a. a cantus firmus. b. a rhythmic mode. c. a melisma. d. organum.
A cantus firmus (Latin for "fixed song") is a pre-existing melody used as the basis of a new composition. So option a is correct.
It is most commonly found in the form of a long and slow-moving melody, which is then repeated or varied by the composer. The cantus firmus was a popular form of composition in the Middle Ages and Renaissance eras, used by composers such as Josquin des Prez, Palestrina, and Orlando di Lasso.
A rhythmic mode is a pre-existing pattern of strong and weak beats used as the basis of a new composition. It is a more varied form of composition than the cantus firmus, as it contains not only long and slow-moving notes, but also fast and light notes. The rhythmic mode is found in music from many different cultures, such as African, Indian, and Latin American. Composers such as Bach, Beethoven, and Mozart used rhythmic modes in their compositions.
A melisma is a type of vocal ornamentation in which several notes are sung on the same syllable. It is a popular form of singing in many musical styles, including jazz, gospel, and classical. Melismatic singing is often used to express emotion or add color to a song. Composers such as Handel and Vivaldi used melismatic singing in their compositions.
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NEED HELP ASAPPP PLSSS
Answer:
Parent 1 genotype-D
Parent 2 genotype-d
Punnet Square: Top-D,d
Left side- D,d
Inside square(from left to right):DD,Dd,Dd,dd
3 children should have dimples
Why are there often so many steps between the original signal event and the cell's response?
This is because a variety of components must be integrated in order to accurately interpret and respond to the signal in a timely and effective manner.
The first step in this process is for the signal to be received and interpreted by the cell. This involves the binding of the signal molecule to a specific receptor, which triggers a cascade of cellular responses. This involves the activation of certain proteins, which then act as mediators of the signal within the cell and help to direct the response.
Once the signal has been received and interpreted, it must then be transmitted to the target organelle or region of the cell. This is done by a variety of molecules such as hormones, neurotransmitters, and growth factors. These molecules are released from the cell and travel to their target where they bind to specific receptors. This triggers a series of responses in the target organelle or region.
Finally, the cell must respond appropriately to the signal. This involves the activation of specific genes, which then produce proteins that alter the cells physiology and behavior. This is a process of gene expression that is tightly regulated and allows the cell to respond rapidly and accurately to the signal.
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Which of the following is true?
A. Renewable energy is over 90% of the energy
use in the United States.
B. There is NO renewable energy used in the
United States.
C. Renewable and fossil fuel energy use is about
equal.
D. Renewable energy use counts for less than
10% of the energy use in the United States.
Answer:
Renewable energy is over 90% of the energy use in the united states
What do the numbers on a pedigree mean?
The number on a pedigree mean the number at which the offspring is produced.
The numbers on a pedigree are used to represent the birth order of individuals within the family. Within each generation, people are numbered from left to right with Arabic numerals. Siblings are usually listed by age, with the oldest on the left. Additionally, Roman numerals are used to denote each generation in the family.
The pedigree is used extensively in genetics to track family history of disease in the offspring that are expected. The pedigree analysis serve as a tool in genetics for preparing genetic models to study disease transmission in families. And thus is a vital tool in classical genetics.
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Compartmentalization allows cells to establish physical boundaries for biological processes that enables the cell to carry out different metabolic activities at the same time. Researchers have found that the cytoplasm has a pH of 7.6 while the pH of the intermembrane space (IMS) of the mitochondria is 6.9. What conclusion can you draw from this information
The difference in pH between the cytoplasm and the intermembrane space of the mitochondria indicates that compartmentalization is occurring in the cell.
Compartmentalization is the process of establishing physical boundaries within a cell to keep different biochemical processes separate. This allows the cell to carry out different metabolic activities at the same time and in different environments. T
he acidic pH of the IMS compared to the neutral pH of the cytoplasm suggests that compartmentalization is occurring and that different processes are occurring in these two distinct spaces. The acidic pH in the IMS could be ideal for some biochemical reactions while the neutral pH in the cytoplasm could be ideal for other reactions.
Therefore, this difference in pH confirms that compartmentalization is occurring and allows the cell to perform multiple biochemical processes simultaneously.
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Which of the following best describes the
general pattern of biochemical evidence for
evolution?
There is no general pattern observed in
biochemical evidence for evolution.
If two species have more differences in DNA,
RNA, and proteins, they are more closely
related.
The more closely related two species are, the
fewer biochemical similarities in DNA, RNA,
and proteins they have.
The more closely related two species are, the
more biochemical similarities in DNA, RNA, and
proteins they have.
Based on the fact that certain enzymes and chemical processes are found in the cells of all or nearly all life on Earth.
What exactly is biochemical evolution?The changes that occur at the molecular level in organisms throughout time are referred to as biochemical evolution (molecular evolution). These vary from single nucleotide deletions, additions, or substitutions to the rearrangement of gene sections to the duplication of whole genes or even complete genomes.
Carl Neuber, a German scientist, created the term “biochemistry” in 1903. However, research into this very living part of chemistry had begun much earlier. Claude Bernard has been awarded the Sirehood of Biochemistry. Anatomy, molecular biology, biogeography, fossils, and direct observation are all evidence for evolution.
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I need help on question 15 please
The overall force in Newtons the ostrich egg would experience would be 19.6 Newtons.
What do you mean by Force?
Force is an influence that can change the motion of an object, cause an object to change shape, or produce motion or stress in a stationary object. It is basically a vector quantity, meaning it has both magnitude and direction. Examples of forces include gravity, friction, and electric and magnetic forces.
This can be calculated by using the equation mv = p, where m is the mass of the object (1.4 kg in this case), v is the acceleration (14 meters per second), and p is the overall force. Thus, p = 1.4 kg x 14 m/s = 19.6 N.
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Researchers have proposed a model of chloroplast evolution. According to the model, chloroplasts evolved from a small prokaryotic organism that was engulfed by an ancestral eukaryote. The engulfed prokaryote then formed an endosymbiotic relationship with the eukaryotic host.Which of the following observations best supports the model?A.Chloroplasts are separated from other subcellular compartments by semipermeable membranes.B.Prokaryotic and eukaryotic organisms both acquire nutrients from the surrounding environment.C.Eukaryotes evolved after prokaryotes and have more complex structures.D.Chloroplasts and some prokaryotes share similar photosynthetic reactions.
Chloroplasts and some prokaryotes share similar photosynthetic reactions supports the model.
Mostly found in plant and algal cells, plastids—a type of membrane-bound organelle—known as chloroplasts carry out photosynthesis. While releasing oxygen from water in the cells, the photosynthetic pigment chlorophyll absorbs energy from sunlight, transforms it, and stores it in the energy-storage molecules ATP and NADPH.
A single-celled organism known as a prokaryote is devoid of a nucleus and other membrane-bound organelles. Prokaryotes were categorized within the empire Prokaryota in the two-empire scheme. On the other hand, prokaryotes are split into two domains in the three-domain method, which is based on molecular analysis.
Some prokaryotes and chloroplasts both undergo similar photosynthesis processes. Only a small subset of species, including cyanobacteria, algae, and plants, are capable of photosynthesis.
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Why must cells have an upper and lower limit to their size?
Cells are the basic building blocks of life and, as such, are essential for the functioning of all living organisms. For that reason, it is important for cells to have an upper and lower limit to their size. These limits serve vital roles in cell structure, function, and metabolism.
The upper limit to cell size is important because too large of a cell can cause problems with cellular communication and the distribution of nutrients throughout the cell. In general, larger cells are more difficult to maintain, as they require more energy and resources to sustain their structure. If a cell exceeds its upper limit, it becomes too big to be supported by the metabolic resources available to it and eventually dies.
The lower limit is also important for cellular function. Cells that are too small have difficulty forming necessary structures and have a harder time performing certain metabolic processes. This is because small cells are limited in the number of organelles they can contain and the number of molecules they can process. Small cells are also less efficient in their use of energy and resources, making it difficult for them to survive in certain environments.
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What makes a body of water a lake?
If a body of water satisfies the following requirements, it is typically referred to be a lake. There is a body of still water there that is encircled by land. It does not belong to or connect to an ocean or sea, nor is it a river or other body of water that does.
Its features are not reliant on those of another body of water since it has its own ecology. It is a sizable body of water, often larger than a pond, and ranges in size from little ponds to enormous lakes like Lake Superior and Lake Victoria.
Although it can be constructed by human activity such as damming a river or glacial activity, this reservoir was not made by humans.
It's worth noting that the definition of a lake can vary depending on the region, and some bodies of water that are called lakes in one area may not be considered lakes in another area. Additionally, some bodies of water that meet these criteria may not be referred to as lakes, but rather as bodies of water such as a loch in Scotland or a fjord in Norway.
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Write a claim evidence and reasoning on Do trees change the composition of the atmosphere around us?
Answer:
Claim: Trees change the composition of the atmosphere around us.
Evidence: Trees absorb carbon dioxide from the atmosphere through the process of photosynthesis and release oxygen back into the air. This process helps to regulate the concentration of these gases in the atmosphere and can affect the overall composition of the air.
Reasoning: Photosynthesis is a fundamental process that occurs in plants, including trees. During photosynthesis, trees absorb carbon dioxide from the air and use it, along with sunlight and water, to produce energy and grow. As a byproduct of this process, trees release oxygen back into the air. This exchange of gases between trees and the atmosphere helps to regulate the concentration of carbon dioxide and oxygen in the air and can affect the overall composition of the atmosphere. Therefore, it is reasonable to conclude that trees do change the composition of the atmosphere around us.
compare the air pollution of Uttar Pardesh, Arunachal Pradesh, and Meghalaya
Answer :uttar Pradesh is more polluted than any of these.
Explanation:
Some traits follow non-Mendelian patterns of inheritance. Which is the best term for these patterns based on the reading?
Some traits follow non-Mendelian patterns of inheritance, polygenic traits is the best term for these patterns based on the reading.
The non-Mendelian inheritance pattern is known as what?They are referred to as polygenic traits. The phenotype is slightly amplified by the alleles of each gene. Particularly if each gene has multiple alleles, there are numerous allele combinations that could exist. As a result, a vast spectrum of phenotypes is possible. Adult height is an illustration of a polygenic trait in humans.
Any trait that has a gradient, such as height, skin tone, hair color, nose size, or shape, is non-Mendelian, polygenetic, and influenced by numerous alleles. Another instance of a polygenetic trait that is not Mendelian is eye color.
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