All organisms are composed of one or more cells.
Give a brief description of cell theory.
The scientific idea that cells make up living organisms, that they are the fundamental structural and organizational unit of all species, and that they all originate from previously existing cells is known as cell theory. It was first proposed in the middle of the nineteenth century. Because cells are the foundation of all life, this is essential for our understanding of biology. We can have single-celled organisms like yeasts and bacteria. All living things grow and develop on the basis of cell division, which is the division of a cell from one to two to four.
Hence, the answer is all organisms are composed of one or more cells.
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Which is a disadvantage of using wind as an energy source?
Answer:
It cost so much It maybe dangerous for wildlife It is noisy so people living in nearly areas will be affected.Answer:
1. Wind Reliability
Wind doesn’t generally blow reliably, and turbines usually function at about 30% capacity or so. In the event that the weather is not going to support you, you may wind up without power (or at any rate you’ll need to depend on the electric company to take care of you during those times). Serious storms or high winds may cause harm to your wind turbine, particularly when they are struck by lightning.
2. Wind Turbines Could Be Threat to Wildlife
The edges of wind turbines can actually be unsafe for wildlife, especially birds and other flying creatures that may be in the area. There isn’t really a way to prevent this, but it’s definitely something that you want to make sure that you are aware of being possible consequences that may come up as a result of it.
Justify your answer.Your cousin tells you that trees have leaves to protect the tree from sun damage, just like a natural umbrella. Do you agree? Justify your answer.
Answer:
no
Explanation:
trees need sunlight to grow the leaves that is on the tree
What are some relationships species have in katpana
Some relationships species have in Katpana Predator-Prey Relationships,
Mutualistic Relationships, Competition for Resources, Commensalism.
Katpana, also known as the Katpana Desert or the Cold Desert, is located in Skardu District in Gilgit-Baltistan, Pakistan. As a cold desert region, it is characterized by extremely cold temperatures and arid conditions, which greatly influence the relationships between species in the area.
In Katpana, some of the relationships species have are:
Predator-Prey Relationships: Various predator-prey relationships exist in Katpana, where carnivorous animals such as snow leopards, wolves, and foxes hunt and prey upon herbivores like ibex, marmots, and pikas.
Mutualistic Relationships: Mutualistic relationships occur between species in Katpana, such as the pollination of flowering plants by bees and other insects. This mutualism benefits both the plants, as they reproduce, and the pollinators, as they gather nectar or pollen.
Competition for Resources: In the limited and harsh environment of Katpana, species compete for resources such as water, food, and shelter. Plants, for example, compete for sunlight and nutrients, while herbivores compete for available vegetation.
Commensalism: Commensalistic relationships may exist, where certain species benefit without affecting others significantly. For instance, birds may build nests in rock crevices without causing harm or benefit to the surrounding species.
These relationships are shaped by the unique environmental conditions of Katpana and contribute to the overall balance and dynamics of the ecosystem in this cold desert region.
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The cells that form from the first few divisions of a fertilized egg cell can
develop into any cell in the human body or the placenta. What kind of stem
cells are these?
O A. Multipotent stem cells
B. Pluripotent stem cells
C. Totipotent stem cells
D. Unipotent stem cells
Answer:
The correct answer is D
Explanation:
The cells that form from the first few divisions of a fertilized egg cell can develop into any cell in the human body or the placenta is pluripotent cell. The correct option is B.
What is a stem cell?Stem cells are the raw materials of the body, the cells that give rise to all other cells with specific responsibilities.
Under the right conditions, stem cells divide to form more cells known as daughter cells in the body or in a laboratory.
Stem cells spawn additional cells for the body as it grows and replace damaged or lost specialized cells.
They are able to do this due to two distinct properties: they can divide repeatedly to produce new cells. They can change into the other types of cells that make up the body as they divide.
Pluripotent cells are those that form from the first few divisions of a fertilized egg cell and can develop into any cell in the human body or the placenta.
Thus, the correct option is B.
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Name the keto sugar of 9C-atoms and an important components of membrane proteins.
Squalene is the keto sugar of 9C-atoms and an important component of membrane proteins.
Squalene is an important element of membrane proteins, specifically in the conformation of the lipid bilayer of cell membranes. Squalene is a hydrocarbon and a triterpene, it is found in numerous organisms and is used to synthesize cholesterol.
Squalene can be found in high concentrations in shark liver oil, and also in smaller amounts in many other animal and plant sources.
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Currents shape rivers over long periods of time.
Answer: the answer is The statement that “Currents shape rivers over long periods of time.” Is true. The force exerted by the water will give an impact on the land that is hit. It will create a pathway for water to flow if it is hit many times.
Explanation:
Answer:
True
Explanation:
Answer for EDGE
What is the general structure and function of epithelial tissue?
Answer:
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.
he point (x,y) lies on the circle with center (8,−4)
(
8
,
−
4
)
and radius 9. Which equation must be true?
Answer:
The equation for a circle with center (a, b) and radius r is:
(x - a)^2 + (y - b)^2 = r^2
Substituting the given values into this equation, we get:
(x - 8)^2 + (y - (-4))^2 = 9^2
Simplifying this equation, we get:
(x - 8)^2 + (y + 4)^2 = 81
Therefore, the equation that must be true for a point (x,y) to lie on the circle with center (8, -4) and radius 9 is:
(x - 8)^2 + (y + 4)^2 = 81
The equation that must be true is (x-8)² + (y+4)² = 81, which is the standard form equation of a circle with center (8,-4) and radius 9.
The equation of a circle with center (a,b) and radius r is given by:
(x-a)² + (y-b)² = r²In this problem, the center of the circle is (8,-4) and the radius is 9. Substituting these values into the equation, we get:
(x-8)² + (y+4)² = 9²Simplifying the equation, we get:
(x-8)² + (y+4)² = 81Therefore, the equation that must be true for a point (x,y) to lie on the circle with center (8,-4) and radius 9 is (x-8)² + (y+4)² = 81.
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Which organisms can reproduce using the process of fragmentation
Fragmentation is a form of asexual reproduction and is seen in annelids, fungi, cyanobacteria, sponges, and flatworms.
In Fragmentation, an organism divides itself into a number of fragments. It occurs when an organism completely breaks down independently irrespective of the other parts. Each one of these fragments matures into fully grown adults that are clones of the original organism.
Asexual reproduction usually involves the participation of a single parent alone can produce new offspring. The newly produced individual is genetically identical to one another and its parent. Both multicellular and unicellular organisms divide by fragmentation which is asexual reproduction.
Fragmentation is the most common method of reproduction in lower invertebrates. It is seen in many organisms including filamentous cyanobacteria, algae, lichens, molds, many plants, and animals such as flatworms, annelid worms, sponges, and sea stars.
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The organisms that can reproduce by fragmentation are Option d Sponges and Sea anemones.
Fragmentation is a form of asexual reproduction in which an organism breaks into two or more fragments, and each fragment develops into a new individual. Both sponges and sea anemones are examples of organisms that exhibit this mode of reproduction.
Sponges are simple multicellular animals that lack true tissues and organs. They possess a porous body structure, and when a sponge is fragmented, each fragment has the potential to develop into a new sponge through regeneration. These fragments contain specialized cells called archaeocytes that can differentiate into various cell types required for the formation of a new sponge.
Sea anemones, on the other hand, are marine animals belonging to the phylum Cnidaria. They have a cylindrical body with tentacles surrounding their mouth. When a sea anemone is fragmented, each piece can regenerate into a complete individual. The process involves the differentiation of cells within the fragments, leading to the development of new tentacles, body parts, and eventually a mature sea anemone.
Both sponges and sea anemones have remarkable regenerative abilities, allowing them to reproduce through fragmentation. This form of asexual reproduction enables them to colonize new areas, expand their population, and adapt to changing environmental conditions. Therefore the correct option is D
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The Question was Incomplete, Find the full content below :
The organisms which can reproduce by fragmentation are:
(a) Corals and Sponges
(b) Corals and Spirogyra
(c) Sea anemone and Spirogyra
(d) Sponges and Sea anemones.
Fantastic beasts genetics worksheet punnett squares
What would happen to ecosystems without producers in the food chain A.Without producers, there would be no food for consumers and decomposers. The food chain would collapse. B.Without producers, the food chain would only include plants such as trees and shrubs. The food chain would not contain consumers or decomposers. C.Without producers, only aquatic ecosystems and their food chains would exist. D.Without producers, only consumers and decomposers of ecosystems would survive in the food chain.
Answer:
c
Explanation:
If there are no producers in the food chain, then there would be no food for the consumers and decomposers and the food chain will collapse. Thus, the correct option will be A.
What is a food chain?A food chain can be defined as a linear network of links in a food web with the starting organism from the producers and ending at an apex with the predator species, detritivores, or the decomposer species.
Plants can make their own food through the process called as photosynthesis. Using the energy from the solar radiation (sun), water and carbon dioxide from the atmosphere and other nutrients, they chemically synthesize their own food. Since, they can make or produce their own food they are known as the producers.
Therefore, the correct option will be A.
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Among the options listed, which came first and shows up in the earliest fossils?
Note: this is answerable by using logic if you have learned the characteristics present in each group and think about how each set of traits adds to what came before.
Group of answer choices
multicellular animals in the ocean
single-celled eukaryotes in the ocean
animals on land
cyanobacteria
cyanobacteria
it is one of the earliest organisms
Is a scorpion a keystone species
Answer:
Keystone Species: Kangaroo Rat Keystone species are species whose presence and role within an ecosystem has a disproportionate effect on other organisms within the system. Hawk (predator)/lizard (prey). scorpion (predator)/insect (prey). if their is no relationship between these two then the scorpions will die off and the insects will thrive.
Explanation:
Please check out my question
1. Which of the following compounds in the main group is an alkaline earth metal?
O A. Sodium
O B. Calcium
C. Silicon
O D. Xenon
Answer:
B. Calcium
Explanation: short answer
Answer:
Calcium
Explanation:
Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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A solution with pH 9 has ________________ times ____________________ OH- than a solution with pH 6.
Answer:
basic
Explanation:
ph value 9 base is ph value is 9and 20
18)
cro
The enzymatic hydrolysis of sucrose by the enzyme sucrase will result in the formation of its two monosaccharide
components, glucose and fructose, as seen in the model above. The activity of an enzyme is affected by many
factors including temperature and pH. Each enzyme has an optimum temperature and pH at which its reaction
rate is fastest. The optimum pH range for sucrase activity is 4 - 8.
Imagine the pH of the environment in which the hydrolysis of sucrose is to occur has dropped to 2.
How will this drop in pH influence point in the model?
A)
Eliminate
B)
The enzyme (B) will allow less of the substrate (A) to move into the active
site (0)
More of the substrate (A) will fit into the active site (C), so more products
will be produced
The substrate (A) will no longer fit into the active site (9 because the
enzyme has changed shape.
There will be no change to the components of point D with a drop in PH;
only temperature can denature the enzyme.
0)
D)
Answer:
he siad no and no
Explanation:
and no no no no no no non on o no no no no thank u for the points
When was the Agricultural Revolution?
O 8,000 BC
O 200,000 BC
O 20,000 BC
O 80,000 BC
What happens to the particles of a liquid when energy is removed from them?
Answer:
When liquids boil the particles must have sufficient energy to break away from the liquid and to diffuse through the surrounding air particles. As these particles cool down and lose energy they will condense and turn back to liquid.
When energy is removed from the particles of liquid. They become condensed and convert into liquid from vapor.
What is liquid?The liquid is one of the states of matter. It can be identified as it takes the shape of the container in which it is poured. The particles of a liquid are farther from each other than the particles of gas.
The particles of liquid contain energy when they are heated or boiled. The particle gets energy and turns into vapor particles. When the heat is removed and the particle cools down, it again becomes liquid.
More kinetic energy causes particles to travel more quickly and widely apart. Less energetic particles move more slowly and maintain their proximity.
Thus, when liquid molecule particles lose their energy. They go from vapor to liquid as a result of condensation.
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Which of the following IP address format is correct?
O A. 192.165.2.1
B. 123:211:2:1
C. 192,168, 2,1
D. 192;165;2;1
Answer:
The answer is A.
Explanation:
An IP address is a series of four numbers separated by periods.
Which one is an example of heterozygous?
Yy
YY
The example of the heterozygous allele is Yy
An allele is a variant, storing copies of genes that express the traits of an organism.
An allele can either be h0m0zygous or heterozygous in nature.
An h0m0zygous allele occurs when there exists an identical allele at a specific locus which can be h0m0zygous dominant (e.g YY) or h0m0zygous recessive(yy).
A heterozygous allele has two different alleles positioned at a specific locus. It is expressed as Yy.
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How would you explain the key concepts for the CWA in less than two minutes?
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
Explain why it makes sense to use the word translation to describe protein synthesis and why it would not make sense to use the word translation to describe mRNA synthesis?
Answer:
The application of the word translation makes sense at the time of describing the synthesis of protein as the language of nucleic acids is transformed into the language of polypeptides by the phenomenon of translation. On the other hand, it will not be suitable to describe the synthesis of mRNA using the word translation as the nature of the biomolecule stays similar because both the DNA and the product of DNA, that is, mRNA are nucleic acids.
where is the best place to find information about the hazards that area associated with a compound
Answer:
Read a Material Safety Data Sheet (MSDS).
Explanation:
Critically discuss THREE negative reasons why some peo people join protest action
Joining protest actions can be a way for individuals to express their grievances, advocate for change, or seek social justice. However, there are negative reasons that may motivate some people to join protest actions. Here are three of them, discussed from a critical perspective:
Mob Mentality and Herd Behavior: In some cases, people may join protest actions primarily due to a desire to belong or be part of a group.What is protest action?
A protest action refers to collective public demonstrations or activities where individuals or groups come together to voice their concerns, raise awareness, or advocate for specific social, political, or cultural issues.
Continuation of the discussion:
Opportunism and Bandwagoning: Protest actions often gain media attention and public support, and some individuals may join solely for personal gain or to exploit the situation for their own interests.Learn more about protest action on https://brainly.com/question/18059905
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Scientists use genetic testing to identify specific genes present in organisms,
including bacteria. How might this technology make it easier to breed plant-helping
bacteria using artificial selection?
Answer:
To develop phenotypic traits by which typically animal or plant males and females will sexually reproduce and have offspring together.
Explanation:
Why humans cannot impact one of earths ststems without impacting the others
Earth's systems are interconnected, and what happens in one system can have an impact on the others like, if humans pollute the air, this can lead to climate change, which can then impact the water system.
How does human activities impact Earth's systems?Deforestation: Deforestation is the clearing of trees from an area of land. This can lead to soil erosion, which can pollute waterways and disrupt the water cycle. Deforestation can also impact the climate, as trees absorb carbon dioxide from the atmosphere.
Pollution: Pollution is the release of harmful substances into the environment. This can come from a variety of sources, including factories, cars, and power plants. Pollution can impact the air, water, and land, and can also harm human health.
Overfishing: Overfishing is the harvesting of fish at a rate that exceeds their ability to reproduce. This can lead to the depletion of fish populations, which can have a ripple effect on the entire food chain.
Climate change: Climate change is a long-term change in the Earth's climate. This can be caused by a number of factors, including human activities such as the burning of fossil fuels. Climate change can impact the Earth's systems in a variety of ways, including by causing more extreme weather events, rising sea levels, and changes in plant and animal life.
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Which pair of organism represents a predator prey relationship
Answer:
Explanation:
hawk and mouse
Answer:
Coyote and Rabbit. Coyote will eat the rabbit. (See more down below.)
Explanation:
Bear (Pred) will snatch up a fish (prey) out of a river. Bear and Fish.
Lion (Pred) eats a Zebra (prey) after a successful hunt. Lion and Zebra.
Killer Whale(Pred) catches up to seal (prey) and eats seal. Killer Whale and Seal.
A house cat (Pred) finds a mouse (prey). Cat and Mouse.
why does secondary consumers cannot digest the bones of their prey
Answer:
The conclusion to be drawn from the fact that secondary consumers do not digest the bones of their prey is that energy used to create bone mass often does not travel farther up the food chain . Explanation: ... No energy is required to form bones .
Explanation:
Answer:hebivore
Explanation:
Describe the relationship between gravitational force and distance as shown in the diagram below. SC.6.P.13.2
Let's see the formula
\(\\ \sf\longmapsto F=G\dfrac{Mm}{r^2}\)
r is the distanceG is gravitational constantM is mass of earthm is mass of object.Hence
\(\\ \sf\longmapsto F\propto \dfrac{1}{r}\)
If distance is more force is less .If distance is less force is more.