Answer:
Independent Variable:
Batteries
Dependent variable:
Batteries After Used
Constants:
Refrigerator, Heating Pod, and Desk
Control:
Temperature of Heating Pod, Refrigerator, and room of which desk is in.
Answer:
Independent Variable = Batteries
Dependent variable = Batteries After Used
Constants = Refrigerator, Heating Pod, and Desk
Control = Temperature of Heating Pod, Refrigerator, and room of which desk is in.
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Both male and female gametes are created during the process of meiosis. The formation of male gametes or sperm is called spermatogenesis. After telophase II of spermatogenesis, there would be __________ male gametes created that are all genetically __________.
Answer:
Both male and female gametes are created during the process of meiosis. The formation of male gametes or sperm is called spermatogenesis. After telophase II of spermatogenesis, there would be four male gametes created that are all genetically haploid.
Explanation:
Telophase II is the final step in Meiosis II. In Telophase II of the spermatogenesis chromosomes travels to opposite poles and are covered by a nuclear envelop. The two parent cells result four daughter cells which are haploid (1n).
What does a cost benefit analysis indicate?
Answer:
Total Costs
Explanation:
The goal of cost benefit analysis is to get the highest return of investment, while saving the most money. In order to execute a cost benefit analysis you define whichever option you want to apply, calculate all costs and all possible benefits, expressed in savings or higher income. For example, if you run a small bakery and used to buy 25 pound sacks at 30 cents the pound and are thinking of switching to another brand that sells larger 280 sacks at 0.20 cents the pound, you would calculate the total costs of buying flour, but also costs like transportation to your bakery and storage in order to determine if it's a good idea to switch or not.
A cost benefit analysis indicates total costs and the correct option is option D.
Cost-benefit analysis (CBA) is a systematic approach to evaluating the costs and benefits of a particular project, policy, or economic intervention. CBA compares the total expected costs of a project or policy to the total expected benefits, in order to determine whether the project or policy is likely to be worthwhile.
CBA is a widely used tool for decision-making in both the public and private sectors. It is particularly useful for projects or policies that have both costs and benefits that are difficult to quantify, such as environmental projects or social programs.
Thus, the ideal selection is option D.
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Ammonite fossils, an ancient marine mollusk,
have been found in the tallest mountain range in
the world, the Himalayas in Nepal. These fossils
are evidence that -
F fossils can be carried to
new locations
G the rocks that became the
Himalayas were once at
the bottom of an ocean
H the rocks that became the
Himalayas were
once part of a desert ecosystem.
J All of the above
question #2
which lunar phase occurs when the moon is between the earth and the sun ?
F new moon
G first quarter
H full moon
J last quarter
1. G. the rocks that became the Himalayas were once at the bottom of an ocean
The fact that we see fossils of marine animals such as ammonite and marine mollusk in Nepal, high in the Himalayan Mountain Range, is a good proof that the continents have been moving and that that has caused significant changes in the topography. The Himalayas came to be because of the collision of the Indian plate and the Eurasian plate. The Indian plate moved toward Eurasia, and as it did it was closing down the ancient Tethys Ocean. The crust started to lift up as the two plates started to press against each other, so what was once ocean floor started to come above the surface and slowly turning into high mountain range, moving the marine fossils with it.
2. F. new moon
When the Moon is located between the Earth and the Sun we have the new moon lunar phase. During this phase we can actually not see the Moon from the Earth as it appears totally dark, so it blends in with the night sky. The reason why the Moon appears totally dark from the Earth's perspective is that the half facing the Earth is covered from the sunlight, thus it is not lighted, while the other half that is facing the Sun is entirely lighted because it is exposed to the sunlight.
Look at the figure above. From which winds do most tropical storms start?
A. Trade
B. Tropical storms form from each type of wind equally.
C. Westerlies
D. Polar easterlies
Answer:
trade northeasternly. Tropics are by the equator in most cases
Explanation:
With the help of the figure, trade winds (northeasterly) storms start tropical storms.
What are trade winds?The constant east-to-west predominant winds that blow in the equatorial region of the Earth have been known as the trade winds but rather easterlies.
What are tropical storms?Strong winds, a spiraling arrangement of cyclones that can produce heavy rain and squalls, a low-pressure center, and just a closed lower pressure circulation are the characteristics of a tropical cyclone, which is a fast revolving storm system.
Therefore, with the help of the figure, trade winds (northeasterly) storms start tropical storms.
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What is the impact of using renewable energy from a global stance?
Less carbon dioxide in the air which decreases global warming.
According to Darwin, which organisms are more likely to survive
A diseased cell is no longer able to produce proteins. Which cell structure is most likely malfunctioning? nucleus cytoplasm ribosome mitochondrion
Answer:
The answer is Ribosome.
Explanation:
Protein synthesis in a cell is called as transcription. Ribosomes are sites where protein synthesis takes place. A ribosome is composed of ribosomal RNA (rRNA) and proteins. These are present in the cytoplasm of a cell or attached to endoplasmic reticulum. If the cell is unable to produce protein most likely its ribosynthetic Machinery is not functional.
Answer: ribosomes on edge
Explanation:
i just took the test
Which of these is considered a renewable resource?
A. gasoline
B. oil
C. uranium
D. water
Answer: uranium
Explanation:
Answer:
D. Water
Explanation:
Water is technically considered a renewable resource because it can be used over and over again and it has a rain cycle.
How are photosynthesis and cellular respiration related? A. They are both used during fermentation. B. One forms glucose and the other breaks it down. C. Both processes require an input of sunlight. D. They are both ways of forming glucose molecules
Answer:
B
Explanation:
https://youtu.be/xmfhKbmQhq0
Photosynthesis vs. Cellular Respiration Comparison
do sharks have bad vision
Answer:
No
Explanation:
We now know that sharks have keen vision despite believing they had fragile vision in the past. According to research, sharks may be more than ten times as sensitive to light as humans. Because of how their eyes are built, scientists also think that sharks may be farsighted, meaning they see better at a distance than up close.
Grey flies (G) are dominant over black flies (g). Which of the following is an example recessive genotype ?
1. Gg
2. grey flies
3. black flies
4. gg
5. GG
Answer: gg
Homozygous (same) Dominant:GG
Heterozygous (different):Gg
Homozygous Recessive:gg
The correct option is 4. gg.
In the given scenario, grey flies (G) are dominant over black flies (g). This means that the presence of at least one dominant allele (G) will result in the grey fly phenotype, while the recessive phenotype (black flies) will only be expressed when two recessive alleles (g) are present.
Let's examine the options:
1. Gg: This is a heterozygous genotype, which means the organism has one dominant allele (G) and one recessive allele (g). The dominant trait will be expressed, so this is not an example of a recessive genotype.
2. Grey flies: This option refers to the phenotype of the flies, not the genotype. Since grey is the dominant color, this does not indicate a recessive genotype.
3. Black flies: While this option refers to the recessive phenotype, it does not specify the genotype. Black flies can have either the gg (recessive) or Gg (heterozygous) genotype. Therefore, this is not necessarily an example of a recessive genotype.
4. gg: This is the homozygous recessive genotype. Both alleles are recessive (g), and as a result, the recessive trait (black flies) will be expressed. This is the correct example of a recessive genotype.
5. GG: This is the homozygous dominant genotype. Both alleles are dominant (G), and the dominant trait (grey flies) will be expressed. This is not an example of a recessive genotype.
Therefore, the genotype gg is the only option that represents a recessive genotype, as it consists of two recessive alleles, which will result in the expression of the recessive trait (black flies).
Which is most responsible for the decay of dead organisms?
A. Bacteria
B. Fossil fuel
C. Algae
D. Oil
Answer:
A) Bacteria
Explanation:
Final answer:
A. Bacteria are the primary agents responsible for the decay of dead organisms, breaking down organic material and recycling nutrients. Fossil fuels like coal, oil, and natural gas result from the ancient decomposition of organic matter over millions of years, not from the decay of recently deceased life.
Explanation:
The organisms most responsible for the decay of dead organisms are bacteria. These microorganisms play a crucial role in the breakdown of organic material, returning nutrients to the environment and allowing for the natural cycle of life to continue. While fossil fuels such as coal, oil, and natural gas are indeed the result of ancient organic matter decomposing under anoxic conditions, they are not responsible for the decay of recent dead organisms. Instead, these fossil fuels have taken millions of years to form due to the geological processes of compression and heating.
Bacteria are decomposers and are a vital part of the ecosystem, enabling decomposition by breaking down complex organic compounds into simpler substances. This process of decay happens relatively quickly in ecological terms and does not result in the creation of fossil fuels, which requires drastically longer timescales, specific conditions, and significant geological activity.
Which statement correctly describes the difference between cellular respiration and photosynthesis
Answer:s
Explanation:
What conclusion does the fossil record support
Species have changed over time
The answer is species have changed over time
Which of the following best describes similarities between archae and eubacteria?
A) Both can undergo binary fission and are autotrophs.
B) Both are able to withstand extreme temperatures and lack of oxygen.
C) Both have single-stranded, helical DNA and cell walls.
D) Both lack membrane-bound organelles and are single-celled.
The answer would be A
What is the scientific study of the universe including the observation and interpretation of celestial bodies and phenomena?
Answer:
The answer is Astronomy. It means the study and interpretation of celestial bodies.
Explanation:
ASTRONOMY is the scientific study of the universe, including the observation and interpretation of celestial bodies and phenomena.
Astronomy can be defined as the study of all features of the universe far away from the Earth's atmosphere.Astronomy studies the characteristics and phenomena involving any type of celestial body (ie., nebulae, galaxies, stars, planets, asteroids, etc).Astronomers are professionals that investigate the physical properties and interrelationships of celestial bodies in space based on observational approaches.In conclusion, ASTRONOMY is the scientific study of the universe, including the observation and interpretation of celestial bodies and phenomena.
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Can somebody come thru with the answer?
Do you need an answer to all of the questions?
Answer:
Do you need answer for all of them?
Explanation:
The waste product of respiration in animals is:
oxygen
starch
carbon dioxide
energy
Every cell in an animal requires oxygen to perform cellular respiration.
Cellular respiration is the process by which animals take in oxygen and exchange it for carbon dioxide and water as waste products.
Answer: carbon dioxide choice 3
The answer is carbon dioxide
What kind of evidence-structural or molecular- is most helpful in making decisions about relationships between species? Explain why.
Answer:
Molecular evidence.
Explanation:
Different species of bacteria may look similar structurally/morphologically and can only be told apart through molecular sequencing of biomolecules such as DNA or proteins. This genetic sequencing will compare the sequences of the two species and the differences can be perceived and biologists can tell how far apart the species are.
Final answer:
Both structural and molecular evidence are critical in determining relationships between species. Molecular evidence often provides a more detailed understanding of evolutionary connections that is less likely to be influenced by environmental factors. Homologous structures that share both morphological and molecular similarities suggest a common ancestry, making molecular evidence a robust framework for phylogeny.
Explanation:
Importance of Structural and Molecular Evidence in Determining Relationships Between Species
When it comes to making decisions about relationships between species, both structural and molecular evidence play crucial roles. Structural evidence, or morphological characteristics (form and function), has been a foundation for understanding evolutionary relationships historically. However, with the advent of molecular biology, genetic evidence has become equally, if not more, important. Genetic information provides a more detailed and precise understanding of the evolutionary connections between organisms. It is because genetic similarities and differences are often indicative of shared ancestry or divergent evolution.
Structural similarities can sometimes be misleading due to convergent evolution, where unrelated species evolve similar traits independently due to similar selective pressures rather than shared ancestry. On the other hand, molecular evidence, such as DNA and RNA sequences, can provide more direct and quantifiable measures of evolutionary relationships through comparisons of genetic codes that are less likely to be influenced by environmental factors.
For example, homologous structures, which are features that are similar in form and function due to shared ancestry, can be identified through both structural and molecular similarities. These can be traced back to a common ancestor, providing strong evidence for evolutionary relationships. In summary, while morphological evidence can offer valuable insight, molecular evidence typically provides a more robust framework for determining phylogenetic relationships between species.
When many organisms or species live together in an ecosystem, which of the following may take place?
In ecosystems where multiple organisms or species coexist, interactions like predation, competition, and symbiosis occur, influencing community dynamics and leading to outcomes such as the competitive exclusion of less adapted species.
Explanation:When many organisms or species live together in an ecosystem, a number of interactions may take place which are crucial in shaping the community's structure and dynamics. These interactions include predation, herbivory, competition for resources, and various forms of symbiosis such as commensalism, mutualism, and parasitism. For instance, if two species occupy the same ecological niche in an area and compete for the same resources, typically one species may become predominant and the other may become locally extinct—a concept known as competitive exclusion.
Community structure can also be influenced by the roles of specific species, categorized as foundation or keystone species, as well as by the process of succession which leads to a stable community over time. The variety of species in a given area, or biodiversity, affects how these interactions play out, with some ecosystems like tropical rainforests having incredibly high diversity, while others, like the glaciers of Antarctica, having less diversity but still a significant variety of life forms.
What is the difference between a fixed, hinge, gliding, and ball-and-socket joint?
The difference between a fixed, gliding, and ball-and-socket joint lies in their structure and the type of movement they allow.
Fixed Joints (Synarthroses): These joints, also known as synarthroses, do not allow any movement. They are characterized by bones that are held together by dense connective tissue. Examples include the sutures between the bones of the skull.
Ginglymus: Joints permit movement in only one plane, allowing flexion and extension. They are similar of a door. Examples include the elbow joint (between the humerus and ulna) and the knee joint (between the femur and tibia).
Gliding Joints (Arthrodial Joints): Gliding joints allow bones to slide past each other in any direction, but the range of motion is limited. The bones are held together by ligaments, and the joint surfaces are flat or slightly curved. Examples include the joints between the carpal bones in the wrist and the tarsal bones in the ankle.
Ball-and-Socket Joints (Spheroidal Joints): These joints offer the greatest range of motion, allowing movement in all three planes flexion/extension, abduction/adduction, and rotation. The rounded head of one bone fits into the cup-like socket of another bone. Examples include the shoulder joint (between the humerus and scapula) and the hip joint (between the femur and pelvis).
Each type of joint is specialized for specific functions and is found in different parts of the body where those movements are required. The structure of each joint, including the shape of the bone ends and the type of connective tissue present, determines the kind of movement that is possible."
Which is NOT found in a prokaryotic cell?
a
Cell membrane
b
Cell wall
c
Cytoplasm
d
Nucleus
Answer:
D: Nucleus
Explanation:
Prokaryotic cells contain a cell membrane, a cell wall, and cytoplasm. However, they do not have a nucleus. Eukaryotic cells have a nucleus.
The ___ ___ is responsible for maintaining homeostasis within any cell.
Answer:
The structure most responsible for maintaining cell homeostasis is the cell membrane.
Explanation:
The cell membrane primarily maintains homeostasis within a cell by controlling what enters and exits the cell. Homeostasis refers to maintaining a stable internal cell environment. In a broader context, homeostasis in the body involves maintaining equilibrium around a particular set point.
Explanation:The cell membrane, also referred to as the plasma membrane, is primarily responsible for maintaining homeostasis within any cell. This is accomplished through controlling what enters and exits the cell, thus preserving a stable internal environment. Processes such as passive transport (diffusion, osmosis) and active transport (endocytosis, exocytosis) help in achieving this stable state.
Homeostasis refers to a dynamic state of balance within parameters that are compatible with life. It is the activity of cells throughout the body to maintain the physiological state within a narrow range. Homeostasis is regulated by negative feedback loops and, much less frequently, by positive feedback loops that work to prevent an excessive response to stimuli.
In the broader body context, the goal of homeostasis is the maintenance of equilibrium around a specific value, known as a set point. For instance, in response to a rise in blood glucose levels after a meal, adjustments are made to lower these levels, either by diverting the nutrient to tissues that need it or storing it for later use.
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which of these is an example of bioaccumulation?
a. an increased growth in microorganisms results in oxygen depletion .
b. the mercury contained in fish builds up on animals that eat the fish.
c. there are millions of cholera cases per year due to contaminated water.
d. materials that contain metal are toxic to organisms that live in them.
An example of bioaccumulation is b. the mercury contained in fish builds up on animals that eat the fish. This is because bioaccumulation is defined as a steady build up over time of a chemical in a living organism.
In the example, mercury is the chemical that builds up on animals that would eat the contaminated fish.
Answer:
B.
Explanation:
HELP! What are sporophytes and gametophytes?
A.Two different forms a plant can have
B.Two different kingdoms in the domain Eukarya
C.Two different kinds of seeds
D.Two different types of vascular systems
Answer:
A: Two different forms a plant can have
Explanation:
Rather than saying forms, I would say that Sorophytes and Gametophytes are a type of plant generation. Plants can either be diploids - Sorophytes (these kind contain 2 chromosomes set and use meiosis to produce spores) and haploids (they use mitosis to divide the cells)
Sporophytes and gametophytes are two distinct stages in a plant's life cycle, with the sporophyte being diploid and the gametophyte being haploid. Homosporous and heterosporous plants display different reproductive structures that influence their lifecycle and development. The correct option is A.
Sporophytes and gametophytes are two different stages in the life cycle of plants. The sporophyte is the diploid (2n) stage that produces spores, while the gametophyte is the haploid (1n) stage that produces gametes.
In homosporous plants, the gametophyte is dominant and produces both male and female gametangia on the same individual. In contrast, heterosporous plants produce two different types of spores—microspores (male) and megaspores (female)—giving rise to separate male and female gametophytes.
This alternation of generations between sporophyte and gametophyte stages is a key characteristic of plant reproduction, contributing to their evolutionary diversity and reproductive strategies.
As the seafloor spreads at an ocean ridge, basalts become normally or reversed magnetized depending on _______ at the time of their cooling.
• the age of the crust
• the temperature of the water
• the spreading rate
•the orientation of the magnetic field
Answer:
The orientation of the magnetic field
Explanation:
The earth's magnetic field is a region of magnetic force surrounding the earth. It is widely accepted that it originates from the motion of iron and nickel in the outer core.
The magnetic field of our earth has both North and South Pole. The North Pole is around the geographic north while the South Pole lies very close to the Geographic South.
From careful studies of sedimentary rocks and some igneous rocks, it has been observed that there has been changes in the magnetic field directions through geologic time. This change is based on the strength of the magnetic field.
We have a normal polarity when magnetic lines of force leaves the South and enters the North and it is reversed when the direction changes.
Some magnetic minerals like magnetite in rocks would align their magnetic domains as they crystallise out of magma to the prevailing magnetic field of the earth. When the Curie temperature is reached, the alignment stops and the domains have been aligned.
For a magma that crystallise when the polarity was normal, the magnetic minerals will bear the records. When the polarity reverses in the presence of crystallising magnetic minerals, the record is also taken.
what is a tradition held by a society called
Answer:
Custom, Cultural Practice, Festival, Fiesta, Anniversary, ...
Any of these. Choose one!
Hope this helps!!!
[tex]Sofia[/tex]
Traditional society is called as the tradition held by a society called as traditional effects on the society.
What are the importance of the tradition ?
Tradition contributes a feel of consolation and belonging. It brings households collectively and allows humans to reconnect with friends. Tradition reinforces values consisting of freedom, faith, integrity, an excellent education, private responsibility, a robust paintings ethic, and the fee of being selfless.
A subculture is a notion or behavior (peoples custom) exceeded down inside a collection or society with symbolic that means or unique importance with origins withinside the past. sociology, conventional society refers to a society characterised through an orientation to the past, now no longer the future, with a essential function for custom and habit.
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All BUT one factor contributes to biological evolution. That is
A. The answer is Mitosis
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What is a habitat ???
Answer:
the natural home or environment of an animal, plant, or other organism.
Explanation: An easy to remember the definition is to think of where you live and relate that to animals.
are all adaptations good?
it just as it is tempting to take natural selection to extreme so no not all