The Red Sea and the Indian Ocean are the main habitats for the venomous lionfish.
Thus, Lionfish were unintentionally discharged into the Atlantic Ocean in the 1990s, where they discovered an abundance of resources and a conducive environment.
If there are no natural predators, the population of lionfish will soar.
After being introduced to a favourable setting where the lack of predators and the presence of other advantageous conditions will enable their growth to accelerate exponentially.
Thus, The Red Sea and the Indian Ocean are the main habitats for the venomous lionfish.
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Whats the difference between muscular strength and muscular endurance
Answer:
anwser
Explanation:
Muscle strength is the ability to exert a maximal amount of force for a short period of time. ... Think about lifting that heavy box when moving – that requires strength. Muscle endurance is the ability to do something over and over for an extended period of time without getting tired.
How is diversity in a population created? (For people)
Answer:
Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles. Some mutations are harmful and are quickly eliminated from the population by natural selection; harmful mutations prevent organisms from reaching sexual maturity and reproducing.
Explanation:
Explanation:
Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles.
If the population density of a certain marine species is 3 per cubic meter of water, then what is the total population of the species in a body of water that is 1,000 cubic meters in volume?
Answer:
[tex]3000[/tex]
Explanation:
Given
Population Density of marine species population [tex]= 3[/tex] cubic meter of water
Total volume of water [tex]= 1000[/tex] cubic meters
The number of species in a given habitat
[tex]= p_d * S[/tex]
Where [tex]p_d[/tex] is the density of population per unit area or volume
S is the size of habitat for a given population. It can be area , volume or any other unit of measurement.
Substituting the given values in above equation, we get -
[tex]3*1000\\= 3000[/tex]
Answer:
a. 3000
Explanation:
Butterflies of the genus colias live in the rocky mountains. Why do they exist in this types of area?
Answer:
This is because these species of butterflies has two variant of enzymes.which makes them well adapted to the varied range of temperature exposed to in this habitat, and therefore ensures their activity at wide temperature ranges.
Generally, rock mountains has wide range of temperature. Therefore the possession of variant of enzymes ensures sustainable of biochemical reactions for survival of theses species because of the resistance of these enzymes to high varied rocky temperature.
Explanation:
What can you conclude about the classification of silicon?
A) Silicon is a noble gas and has a full valence electron shell, is chemically non-reactive, colorless, odorless, and is a gas at room temperature.
B) Silicon is a metal and is shiny, malleable, ductile, conducts heat and electricity, forms basic oxides, and forms cations in aqueous solution.
C) Silicon is a nonmetal and is dull, brittle, poor conductor of heat and electricity, forms acidic oxides, and forms anions in aqueous solution.
D) Silicon is a metalloid and has properties of both metals and nonmetals - it appears lustrous, but is brittle and a poor conductor of heat and electricity.
Answer:
d
Explanation:
its on the staircase of the periodic table
Final answer:
Silicon is a metalloid with properties of both metals and nonmetals. It's shiny and lustrous yet brittle and a poorer conductor, making it valuable as a semiconductor in technology. (Option D)
Explanation:
Regarding the classification of silicon, it is a metalloid, which means it exhibits properties of both metals and nonmetals. Silicon is known to be shiny and lustrous like a metal but is also brittle and not as good a conductor of heat and electricity as metals.
These unique characteristics allow silicon to be used as a semiconductor, which is crucial in the technology industry, especially for creating integrated circuits and solar cells. Additionally, silicon can form tetrahedral structures and is capable of expanding its valence shell, differentiating it from its periodic group members.
Where are the alleles for each parent written when using a Punnet square?
A. Across the top and along the side of the grid
B. In the top two squares of the grid
C. In the bottom two squares of the grid
D. Only at the bottom of the grid
Explain how your parents, grandparents, & great grandparents may affect what proteins your cells are able to make.
Final answer:
Proteins are responsible for cell functions and structure. Genes and epigenetic changes can be influenced by parents, grandparents, and great grandparents, affecting the proteins cells can make.
Explanation:
Proteins are responsible for orchestrating nearly every cell function. They determine the structure and function of cells. Your parents, grandparents, and great grandparents can affect what proteins your cells are able to make through their DNA and epigenetic changes.
Genes in DNA provide instructions for making proteins with the correct sequence of amino acids.
Epigenetic changes can determine whether genes are turned on or off, affecting the production of proteins in certain cells.
The unique genetic makeup and environmental factors of your ancestors can influence the proteins your cells are able to produce.
Norway rats have 42 chromosomes in their diploid cells. If a diploid rat cell enters meiosis, how many chromosomes and double-helical molecules of DNA will be present in each daughter cell at the end of meiosis II?
Answer:
21 chromosomes
Explanation:
Meiosis is a type of cell division that produces 4 haploid daughter cells (i.e., gametes) from a single diploid cell. This parental cell undergo one (1) cycle of DNA replication and two (2) cell divisions, thereby, in the case of the Norway rats that have 42 chromosomes, the final number will be 21 (21 x 2= 42)
Answer:
21 chromosomes and 21 molecules of DNA at the end of meiosis II
Explanation:
The end of meiosis II that occurs on each cell will give rise to four mature cells, or gametes, and each cell will have 21 chromosomes because the number of each cell has to be half of the initial diploid cell to allow the correct number after the formation of the zygote. Each cell will also contain 21 molecules of DNA because the mature cell after the meiosis has to be haploid.
A snapping turtle will kill animals for food, as well as
feed on dead organisms. The snapping turtle is
considered both a...
A. scavenger an a herbivore
B. Predator an a scavenger
Final answer:
A snapping turtle is considered both b) a predator, because it hunts and kills live prey, and a scavenger, because it also feeds on dead animals.
Explanation:
A snapping turtle that kills animals for food and also feeds on dead organisms is considered both a predator and a scavenger. Predators actively hunt and capture prey for food, while scavengers consume the remains of dead animals. In the case of snapping turtles, they are known to feed on a variety of prey, using their powerful beaks to cut and chew, and will also eat dead material when available.
Landscapes will undergo the most chemical weathering if the climate is *
A)cool and wet
B)warm and wet
C)cool and dry
D)warm and dry
Answer:
C.) Warm and wet
Explanation:
Warm and wet is the most logical because increased moisture and temperature directly affects the speed of which natural chemical reactions in rocks, for example, hydrolysis.
Answer:
Landscapes will undergo the most chemical weathering if the climate is
cool and wet
Explanation:
Erosion caused by chemical disintegration which only happens only when the climate is cool and wet
Jillian made a model of an animal cell. She used a round balloon to represent the cell membrane. She pushed objects like marbles and rocks into the balloon to show cell parts, then filled it with water to show fluid inside the cell.
What is a limitation of Jillian's cell model?
It does not make up the tissues of a living thing.
It does not show the functions of the cell parts.
It is larger than a real animal cell.
It is more complex than a real animal cell.
Answer: b because the bee from my pet bee hive said so
Explanation:
Answer:
B
Explanation:
What is the best definition of Thebes term “theory”as it is used in science
The best scientific definition of Thebes' term "theory" is a well-substantiated explanation of some aspect of the natural world obtained through the scientific method after observation and experimentation.
What is the significance of this scientific theory?Scientific theory has many implications, as the science provides a comprehensive and consistent explanation, and a theory can make accurate predictions about new observations and experiments and help in the continuation of further scientific research. Scientific theories have practical applications to solve real-world problems, such as in the medical field with technologies, etc.
Hence, the best scientific definition of Thebes' term "theory" is a well-substantiated explanation of some aspect of the natural world obtained through the scientific method after observation and experimentation.
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Final answer:
A theory in science is a well-supported comprehensive explanation of natural phenomena, akin to a fact, and is vital for making predictions about the natural world. It is much more than a guess, distinguishing it from the everyday use of the term 'theory'.
Explanation:
In the context of science, the term theory refers to a comprehensive explanation of an important feature of nature that is supported by a substantial body of evidence. It's important to distinguish this scientific use of the term from the way 'theory' is used colloquially, where it might just mean a guess or speculation. Scientifically, a theory is akin to a fact and represents our most reliable understanding of natural phenomena. Examples of scientific theories include the theory of evolution, cell theory, and germ theory.
The United States National Academy of Sciences defines a theory as a well-established scientific explanation that is unlikely to be altered by new evidence. This conceptual framework allows scientists to make predictions about phenomena that have not yet been observed, placing theories at the bedrock of scientific understanding of the natural world.
what is carrying capacity
Answer:
B) The largest population an area can support
How do viruses reproduce?
a. By mitosis
b. By meiosis
c. By infecting living cells
d. Sexual reproduction
Answer:
c. By infecting living cells
Explanation:
c. By infecting living cells
Answer:
By infecting living cells
Explanation:
hope this helps
A woman with brown eyes, which has two brothers, marries a man with brown eyes, which has a brother and two sisters, and produces a boy with brown eyes. When their son marries a woman with blue eyes, they have a girl with blue eyes. All of the boy's aunts and uncles have brown eyes, as do his grandparents. However, his mother, the little girl's grandmother, has an uncle with blue eyes. Trace the family history of eye color and determine how the little girl could have blue eyes.
Answer:
A. The man's genotype is Bb. Phenotypes of the offsprings:- heterozygous brown-eyed- homozygous blue eyedGenotypes of the offsprings:- Bb- bbb. The blue is recessive, so the woman's genotype is bb. It is impossible for her to have B because it is dominant over b.c. The woman can only produce bb or blue-eyed.d. The man's genotype is Bb. It is impossible for him to produce an offspring with blue-eyes if his genotype is BB.e. The man can produce Bb or brown-eyed and bb or blue-eyed.
Explanation:
The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray, what would you most likely expect to be the immediate consequence?
a. the inability of the nucleus to divide during cell division
b. a change in the shape of the nucleus
c. the loss of all nuclear function
d. failure of chromosomes to carry genetic information
Answer:
BExplanation:
1. The nuclear lamina is a network inside the nucleus which maintain the shape of nucleus.
2. It is composed of intermediate filaments and many proteins.
3. It providing mechanical support to the nucleus and play many other rolls in the cell.
4. In a cell if the nuclear lamina fall into disarray, the nucleus is misshapen and all these processes run awry. Such cells in which nuclear lamina is broken, they tend to become senescent in response to internal dysfunction, and cause damage to surrounding tissue.
Question 22 of 25
2 Points
Which of the following are responsible for sending messages from the
hypothalamus to the thalamus?
O
A. Sensory neurons
B. Motor neurons
O
C. Interneurons
O
D. Hormones
Answer:
its interneurons
Explanation:
its interneurons
Interneurons are responsible for sending messages from the hypothalamus to the thalamus. Therefore, the correct statement is option C.
What are interneurons?Interneurons act as an intermediate between sensory neurons, which are responsible for transmitting information from sensory receptors present in the body to the central nervous system, which further transmits signals from the central nervous system to muscles to produce a response.
Interneurons transmit the messages among different neurons present within the central nervous system and also from the hypothalamus to the thalamus. The hypothalamus constitutes the small part of the brain and regulates various functions, such as temperature control, hunger, etc.
The thalamus is also another part of the brain acting as a relay station for sensory information from the body to the cerebral cortex. The interneurons connect the hypothalamus and the thalamus and transmit information so the hypothalamus and the thalamus can perform their functions properly.
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Which are characteristics of natural selection? Select three options.
Answer:
1) reproduction, heredity,
2) variation in fitness or
30 organisms,
4) variation in individual characters among members of the population. If they are met, natural selection automatically results.
Explanation:
What would happen if you did not have the stapedius and tensor tympani muscles? A. The ear canal would stay permanently closed. B. The ear canal would stay permanently open. C. The vestibular canals would be permanently misaligned, resulting in hearing and equilibrium problems. D. Loud sounds would cause the ossicles to move too much, potentially causing damage to the inner ear. E. The cochlea would not be secured in place and might move around.
Explanation:
Both the stapedius and tensor tympani are striated musclesThe stapedius is about 6 mm in length, arises from the pyramidal process and the tendon attaches to the posterior neck of the stapesThe stapedius is a muscle with a high oxidative capacityThe tensor tympani is about 25 mm in length, the muscle is not as strong as the stapedius, and the tendon also contains more elastic tissue and fatThe tensor tympani courses through a bony canal in the wall of the anterior middle ear, and attaches to the neck of the manubriumThe tensor tympani and stapedius muscles are protective reflexesThey reduce the amount of sound that gets into the inner earThey are somewhat similar to the blink reflex thus they can be triggered by loud noise, and when they go off, both ears can be involvedIf stapedius and tensor tympani muscles is not present then loud sounds would cause the ossicles to move too much, potentially causing damage to the inner earIn the absence of the stapedius and the tensor tympani muscles the loud sounds would make the ossicles to move too much, thus, causing damage to the inner ear.
• The stapedius and the tensor tympani are the protective reflexes.
• They are found in the middle ear and are associated with the ear ossicles.
• They minimize the amount of sound that gets into the inner ear, they are identical to the blink reflex.
• Both these muscles contract in response to incoming intense or loud sounds, which strike the eardrum, and thus minimizing the transmission of sound within the inner ear.
• Of the two muscles, the stapedius is considered to be more sensitive to sound in comparison to the tensor tympani.
Thus, the correct answer is option D.
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Describe how increasing salinity affects the amount of fluid ejected each time a contractile vacuole contracts. Calculate the water potential ( Ψ ) of an animal cell without contractile vacuoles if water enters the cell and creates a solute potential ( ΨS ) of −2 . Assume that the pressure potential ( ΨP ) in the cell is 0.
Answer:
Water potential [tex]= -2[/tex]
Explanation:
As we know,
Water potential is equal to the sum of pressure potential and solute potential
Ψ [tex]=[/tex] ΨS [tex]+[/tex] ΨP
Where Ψ is the water potential
ΨS is the solute potential
ΨP is the pressure potential
Given -
Solute potential ( ΨS ) [tex]= -2[/tex]
Pressure potential ( ΨP ) [tex]= 0[/tex]
Substituting the given values, we get -
Ψ [tex]=[/tex] [tex]- 2 + 0[/tex]
Ψ [tex]=[/tex] [tex]- 2[/tex]
(a) Increased salinity will affect the amount of fluid ejected each time a contractile vacuole contracts because the surrounding water becomes more hypertonic as salinity increases.
As hypertonicity of the surrounding medium increases, water potential decreases, and more water will be ejected from the contractile vacuole to the surrounding medium as a result of osmosis.
(b) From the formula:
water potential ( Ψ ) = solute potential ( ΨS ) + pressure potential ( ΨP )
In this case, ΨS= -2 and ΨP = 0
Therefore:
Ψ = -2 + 0
= -2
Thus, the water potential of the animal cell without contractile vacuoles if water enters the cell and creates a solute potential ( ΨS ) of −2 would be -2.
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How do hurricanes form and move?
Answer:
warm ocean air rises into the storm, forming an area of low pressure underneath. Up in the clouds, water condenses and forms droplets, releasing even more heat to power the storm. When wind speeds within such a storm reach 74 mph, it's classified as a hurricane.
Explanation:
Describe the trends in the wildebeest population over time when compared to the population affected by rinderpest disease
Answer:Eradication of the virus allowed the wildebeest population to rebound from around 200,000 animals in 1958 to around 1,200,000 in the late 1970s. Following this steep increase, the population stabilized.
Explanation:
The trends in the wildebeest population over time when compared to the population affected by rinderpest disease is maybe reproduction of the wildebeest after rinderpest vaccination worked on them.
What is the rinderpest?Cattle, wildebeest, and other animals with feet are susceptible to the viral disease known as rinderpest. For many years, the Serengeti region's cattle and wildlife had been afflicted by the disease.
My initial hypotheses for why the trends in the wildebeest and buffalo populations resemble each other are that both animals rose over time as a result of rinderpest vaccination or treatment, which boosted the trends for both animals.
Therefore, after the virus was eradicated, the wildebeest population recovered, increasing from 200,000 animals in 1958 to 1,200,000 in the late 1970s. The population stabilized after this abrupt rise.
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(ASAP PLEASE) Dichotomous key of brewer’s yeast (saccharomyces cerevisiae) e. coli bacteria (escherichia coli) green hydra (hydra viridissima) house cat (felis catus)
Answer:
Does the organism have legs?
Does the organism reproduce asexually?
Can the organism ferment?
Is the organism infectious?
Explanation:
The questions HAVE to be yes or no, in order for it to effectively determine which species is which.
Answering a sequence of questions based on opposing qualities (such physical attributes) that have two viable answers is a technique used to identify a species.
What is Dichotomous key of plants and animals?An instrument known as a dichotomous key is used to recognize living things or inanimate objects found in the natural world, such as plants, animals, or rocks.
The key is made up of a sequence of paired assertions or hints regarding traits or qualities that operate as a step-by-step manual for recognizing each thing.
Therefore, Dichotomous key of brewer’s yeast (saccharomyces cerevisiae) e. coli bacteria (escherichia coli) green hydra (hydra viridissima) house cat (felis catus)
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Which organelle is most like a factory delivery driver?
Answer:
ER
Explanation:
ER=endoplasmic reticulum
Answer:endoplasmic reticulum
Explanation:
Which of these diseases can be spread?
Answer:
yeah bro what diseases you didnt list any
Explanation:
What effect might high temperature or irregular pH levels have on facilitated diffusion?
In your own words, please explain why does the ocean crust sink?
(Note- The image below should be able to help you out a bit if you're having trouble)
Answer:
Explanation:
oceanic crust sinks because it is denser and has higher specific gravity than the more silicon aluminum enriched continental crust.
For each of the 6 Kingdoms: Give the name, 3 characteristics, one reason they are important, and one example
Answer:
Explanation:
Kingdom fungi- fungi are organism that are both unicellular and multicellular. They do not photosynthesize but the derive nutrients from decayed organic matter example is mushroom,yeast,mold
Kingdom protista- Protist are eukaryotic organism, we have plant like and animal like protista. The plants have chloroplast and the animal have mitchondria example is Euglena,amoeba
Kingdom animalia- Animals are multicellular organisms and they are eukaryote. They reproduce sexually to produce offspring and they depend on plant and other organism for their food. Example include mammals, sponges, insect.
Kingdom plantae- plant are primary producer, they produce their food through photosyntheis.
Plant could be vascular or non vascular and they support life through the release of oxygen and provision of food. Example tree crops ,grasses and vegetables.
Kingdom Archaebacteria- they are prokaryote with unique cell wall that allows them thrive in hot spring and hydrothermal passage. Example is thermophiles,methanogens.
Kingdom Eubacteria- they are bacteria, they are microscopic in natural, with unique body shapes. The multiply and grow at a very fast rate under optimum condition. E.g Actinobacteria, cyanobacteria
What structures is not part of the central nervous system?
The question is incomplete.
The complete question is:
Which of the following structures is not part of the central nervous system?
a) the brain
b) a nerve
c) the spinal cord
d) a tract
Answer: b) a nerve
Explanation:
Nervous system is divided into Central nervous system (CNS) and Peripheral nervous system (PNS) .
The Central nervous system (CNS) is primarily consist of the brain and spinal cord and also consist of tracts which functions to receive the information from all the parts of the body and coordinate accordingly.
The Peripheral nervous system (PNS) consists of all of the nerves which are connected to the brain and spinal cord and send signals to the CNS.
Hence, the correct option is b. Nerve
The structures that are not part of the central nervous system (CNS) are the peripheral nervous system (PNS) structures, including the ganglia and nerves. The PNS includes the autonomic and sensory-somatic nervous systems.
Explanation:The structures that are not part of the central nervous system (CNS) are the peripheral nervous system (PNS) structures, including the ganglia and nerves.
The PNS includes the autonomic and sensory-somatic nervous systems. The autonomic nervous system consists of the sympathetic and parasympathetic divisions, while the sensory-somatic nervous system is made up of cranial and spinal nerves.
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Sponges have no “true tissues.” What does this mean?
A.
They perform body functions by diffusion.
B.
They have organs for specific functions.
C.
Similar cells do not cooperate together.
Answer:
C.
Similar cells do not cooperate together.
Explanation: