A particle model describes how the particles that make up a solid liquid or gas are arranged and how they move.
The particle theory of matter is a model that describes the arrangement and movement of particles in matter. Models are used to describe the physical properties of solids liquids and gases. Elements and compounds can be represented using particle diagrams. This is a box with colored spheres drawn to represent atoms or molecules.
These diagrams can represent the elements and compounds and their molecular composition by type of spheres and how they are connected. Certain chemical reactions can be represented using particle diagrams. In this diagram, the reaction mixture is represented both before the reaction occurs and after the reaction is as complete as possible. There are small spaces between particles in liquids but not as small as in solids.
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Which is correctly paired?A-outer ectoderm-skeleton muscleB-inner endoderm-body coveringsC-outer ectoderm-body coverings D-middle mesoderm-digestive organs
The correctly paired words are:
Outer ectoderm - body coverings (C)
Body coverings are formed from the ectoderm, not the endoderm, D is incorrect because digestive organs are formed from endoderm and the skeleton muscles are formed from the mesoderm.
Describe two mechanisms used by bacterial host cells to protect themselves from viral infection.
Answer:
modulating their cell surfaces, releasing proteins to inhibit or degrade host immune factors
Explanation:
3. What organism releases oxygen gas into Earth's oceans?
a. Listeria
b. Aquificota
c. Cyanobacteria
d. Mycoplasma
Elisa’s diabetes causes her to have lower than normal numbers of glucose molecules in her cells. You already wrote about how this makes her tired.
Answer:
what is the question? please explain further so I might be able to help.
examples of features and traits
When something has features, it means it has an interesting or significant component, quality, ability, etc. Unique attributes that set something or someone apart from others are referred to as characteristics.
What types of qualities are examples?
Character qualities include things like honesty, loyalty, charity, and impatience. These are only a few of the many different character traits that can be used to better understand yourself or others.
Character traits are characteristics of a person's personality, upbringing, or physical make-up that influence how well they perform certain tasks and how poorly they perform others.
Traits are similar to feats in many ways: a character can only have a certain amount of traits, and each one has some advantages.
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Label the organisms as a producer, a herbivore, a carnivore, scavenger, or decomposer.
Answer:
Cactus: Producer
Producer
Producer
Decomposer
Herbivore
Herbivore
Herbivore
Scavenger
Carnivore
Carnivore
Carnivore
Carnivore
Scavenger
Scavenger
Decomposer
Explanation:
Plants "make their own food"
Which of the following is NOT a hypothesis about why the gas planets have rings?A. A moon broke apart and the debris formed ringsB. Orbiting debris from the planet's formation did not have enough gravity to formmoonsC. Small pieces of the planet broke off and were kept in orbit
All the four gas giants have rings and moons. Being theorized that the rings of Uranus, Neptune, and Jupiter are probebly a result of a meteor impact on their tiny inner satellites, forming rocky debris and dust that conitues to orbit the planet, while Saturn rings are made mostly of ice. however there is many theories, making difficult to be sure how those rings are formed. Between the alternatives the only that is not a hypothesis for why the gas planets have rings is: " Orbiting debris from the planet's formation did not have enough gravity to form moons" (b).
What type of molecule is represented by the model below?
The molecule represented below is that of a cholesterol. Therefore, option (C) is correct answer.
What is cholesterol?Cholesterol is waxy. It's not always "bad." Cells, vitamins, and hormones require it. But too much cholesterol is bad. Cholesterol has two origins. Your liver produces all your cholesterol. Animal meals supply the rest of your cholesterol. Meat, poultry, and dairy contain cholesterol.
Cholesterol can be written as the chemical formula C27H46O. According to this interpretation, it is made up of 27 atoms of carbon, 46 atoms of hydrogen, and one atom of oxygen. The structure of cholesterol has a core sterol nucleus that is surrounded by four hydrocarbon rings. These rings are made up of hydrogen and carbon atoms arranged in a circular pattern.
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Which statements accurately describe elements? Check all that apply.
Statements describing elements are :
1.) They integrate chemically to form new materials; they're "constructing blocks of matter".
2.) They can be damaged down with the aid of physical method.
3.) They can not be damaged down through chemical way.
4.) They're chemical combinations of less difficult varieties matter.
5.) They may be pure materials.
Chemical Element is a species of atoms which have a given quantity of protons of their nuclei, together with the natural substance consisting handiest of that species. in contrast to chemical substances, chemical elements can not be broken down into simpler substances by any chemical reaction.
An element is a essential object that can't be broken into smaller portions.There are about 100 elements, each with its personal form of atom.
In chemistry and physics, an element is a substance that cannot be damaged down by non-nuclear reactions. In computing and arithmetic, an element is a awesome piece of a larger machine or set.
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What has very thin walls to allow the nutrients and gasses to be exchanged between the blood and cells?ArteriolesVenulesVeinsCapillaries
- Arterioles are blood vessels of small diameter that extend from the arteries to the capillaries. These blood vessels are considered the primary resistance vessels and contribute with blood pressure regulation and distribute the blood into the capillary beds.
- Venules are small diameter blood vessels that carry the blood from the capillary beds to the veins.
-
Scientists investigated populations over fruit fly species that live on the Chinese mainland andon several small islands off the coast of China. The scientists identified that the geneticvariation within each islands fruit fly populations was high even though the islands were smalland surrounded by water. Which statement best explains the role of gene flow in thecharacteristics of the islands fruit flies?A. Different types of inherited mutations occurred in the fruit flies on each island.B. fruit flies from each island and from the Chinese mainland interacted and made it witheach other.C. a new species of fruit fly arrived on each island and caused changes that allowed theresident species to survive.D. fruit flies traveled to the Chinese mainland and the increased competition for resourceson each island resulted in the evolution of new species.
The correct option is A. Different types of inherited mutations occurred in the fruit flies on each island. Assuming these fruit flies did not have any interaction with flies from other islands, then their mutations were not shared among islands, making each fruit fly island population unique.
How does the income level of a worker impact their ability to recover from environmental disasters?
Disasters are more likely to cause lives and property damage in poor areas, and they frequently lead to an increase in poverty afterward. Poorer communities frequently do not fully recover from disasters; instead, they experience a new normal and a lower status after a crisis.
Why are the effects of natural catastrophes worse among the poor?Due to their frequent relocation to high-risk locations, poor people are more frequently impacted by natural disasters. First, regions that provide economic prospects, public services or direct comforts, as well as better productivity and salaries, may be more desirable than others.
Various economic losses result from calamities. Infrastructure and capital assets, including buildings, industries, schools, roads, dams, and bridges, are destroyed. Owing to the loss of life, the exodus of trained labourers, and the disruption of education due to the destruction of educational infrastructure
Economic losses in the form of assets and local revenue will be a result of disasters.
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Fossil fuels are nonrenewable energy resources that are rich in carbon. Examplesof fossil fuels include oil, natural gas, and coal.How are oil and natural gas resources extracted?
Answer
oil and natural gas are extracted via a process called hydraulic fracking.
Conventional natural gas and oil deposits are found in permeable rocks, trapped below impermeable rock. These deposits can be extracted by drilling down through the impermeable rock into the permeable rock.
But gas and oil are also trapped in the spaces within impermeable shale rock. Therefore, because shale is impermeable, simply drilling down to it is not enough to extract these deposits. Instead the process of hydraulic fracturing, known commonly as fracking, is used. The rock has to be fractured to get the gas or oil out
You are provided with a number of taxa representing the following major chordates: Invertebrate chordates – Subphylum: Cephalochordata - Branchiostoma (lancelet)Class: ChondrichthyesClass: AmphibiaClass: ReptiliaClass: AvesClass: MammaliaComplete the table please
0. Class: Amphibia
,1. Class: Amphibia
,2. Class: Amphibia
,3. Class: Reptilia
,4. Order: Testudines
,5. Class: Reptilia
,6. Order: Squamata
,7. Suborder: Scincomorpha
,8. Class: Reptilia
,9. Order: Squamata
,10. Suborder: Serpentes
,11. Class: Chondrichthyes
,12. Superorder: Selachimorpha
,13. Class: Mammalia
,14. Order: Carnivora
List some natural causes of deforestationAnd list some human causes of deforestation.
When we are talking of deforestation, can happen naturally or artificial causes, however, sometimes are hard to distinguish such as plagues and invasive species, the cause can mark the difference between natural cause or artificial, therefore we must be careful with this.
Natural causes:
1.- Natural catastrophes such as tornados or hurricanes
2.-Natural forest fires
3.- Plagues and tree sickness
Human activities:
1.- Bad management of felling trees
2.-Proliferation of plagues increased by global warming
3.-introduction of harmful invasive species
4.-land-use change causing massive clearing for cattle or human-living
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#9) True or False: “In human epithelial cells, central vacuoles are used for water metabolism.”
True.
The vacuole allows the cell to keep the cytosolic concentrations of ions and metabolites optimal for metabolism.
app schoology.com/assignment/6384561941/assessment
Column A
1.
2
3.
-
vi
Artificial Levees
Natural Levees
Floodplain
Young River
Mature River
Old River
Dam
Delta
Column B
a. U shaped channel with more sloping sides and lots of
meanders and oxbow lakes.
b. part of the valley floor covered with water during a flood.
c. raised river banks caused by flooding
d. U shaped channel with more sloping sides and some
meanders
e anembankment built to prevent the overflow of a river.
f. V shaped channel with steep sides
& depositional features of built up sediment that forms
where a stream enters a lake or ocean
h a barrier to obstruct the flow of water
Answer:
Explanation:
head of the humerus
head of the humerus
head of the humerus
head of the humerus
head of the humerus
head of the humerus
The caterpillar goes through blank which produces what
Answer:
One day, the caterpillar stops eating, hangs upside down from a twig or leaf and spins itself a silky cocoon or molts into a shiny chrysalis. They go into metamorphosis.
Explanation:
Answer: One day, the caterpillar stops eating, hangs upside down from a twig or leaf and spins itself a silky cocoon or molts into a shiny chrysalis. It produces a butterfly!
Explanation:
I just looked at other answer, I didn't copy!
Which of the following statements is NOT true?
The corn that we grow today has not changed since prehistoric times.
Early humans planted seeds from corn plants with large kernels.
It took many generations for corn plants to change.
Humans have selectively bred many different types of crops.
Answer:
The corn that we grow today has not changed since prehistoric times.
Explanation:
which is one major difference between anaerobic and aerobic respiration?
Answer:
the anaerobic is a different form
One major difference between anaerobic and aerobic respiration is the electron acceptor. The correct option is b.
What is aerobic respiration?Aerobic respiration occurs in a cell when glucose is broken down with the help of oxygen to produce carbon dioxide, water, and the release of energy. For instance, aerobic respiration occurs in mitochondria.
Anaerobic respiration, on the other hand, is the breakdown of glucose without the use of oxygen in a cell, producing alcohol, carbon dioxide, and the release of energy. Yeasts, for instance, breathe anaerobically.
We can therefore draw the conclusion that the primary distinction between aerobic and anaerobic respiration is that the former requires oxygen while the latter does not.
Therefore, the correct option is b, electron acceptor.
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The question is incomplete. Your most probably complete question is given below:
use of electron transport
electron acceptor
use of proton motive force
electron donor
Why would it be useful for the SAME cell to be able to make different kinds of proteins at different times? Give an example, or make one up.
The cell is a complex system with specialized organelles and cellular machinery. The cell in an organisms have the same genetic material (DNA), but each cells only produce the proteins that they need in the moment or function that they are needed, that's because the cell have a "intelligent" intrecellular signaling and organization system. Some examples of these hability of the cells to control the production and liberation of proteins is the cell differentiation and the case of cells that have the function of producing protein hormones (insulin, glucagon, pituitary hormones, and hypothalamic hormones), it is important to the cells to have the control of which they produce because one cell have more autonomy and with only one genetic code an organism com be self-sufficient (molecular) and with internal protein variability.
Use the drop down menu to correctly identify steps in the water cycle.
The correct steps through which to identify the steps of the water cycle include:
Water moves from the hydrosphere to the atmosphere through evaporation.Water moves from the atmosphere to the lithosphere through precipitation.What is the Water cycle?The water cycle, also known as the hydrological cycle or hydrological cycle, describes the continuous movement of water on, above and below the surface of the Earth.
Water cycle stages
1. Evaporation
2. Sublimation
3. Condensation
4. Precipitation
5. Infiltration
6. Runoff
The water cycle has a huge effect o climate. For example, the greenhouse effect causes the temperature to rise. Without the cooling effect of evaporation from the water cycle, the Earth's temperature will rise dramatically.
The water cycle is also an integral part of other biogeochemical cycles. The water cycle affects all life processes on Earth.
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Which of the following statements about unsaturated fats is true?
O Unsaturated fats contain the maximum number of hydrogens along the hydrocarbon tails.
O Unsaturated fats make up the majority of animal fats
O Unsaturated fats are less healthier for you than saturated fats.
O Unsaturated fats contain one or more double bonds along the hydrocarbon tails.
Unsaturated fats are a type of lipids mostly found in plant-based food, such as in seeds (one great example is oil). These lipids are characterized for having one or more double or triple bonds between the carbons of their structure and are healthier than saturated fats (found mostly in animal fats).
Therefore, the correct answer to this question is the last option.
Biotic factors found in deciduous forest would include
Answer:
lichen, moss, shrubs, maple tree, frogs and there are many more biotic factors found in deciduous forest
which one of the following choices is an incorrect means of concluding your essay with purpose?A.never leave your reader with any sense of question B.restate your main points C.show how your points apply to something else D.interpret your points
C.show how your points apply to something else that would not go with a good conclusion in an essay.
What is not appropriate for an essay conclusion?The final paragraph of an essay or any other piece of writing should have a conclusion that restates the entire essay/work.
The conclusion paragraph should repeat your essay, highlight the major supporting points you made throughout the paper, and provide your last thoughts on the main topic.
Avoid the following to make your conclusion stronger:
Unmentioned in the main body but significant evidence or analysisGeneric closing clauses, such as "In conclusion..."Weak claims that undercut your case (for instance, "There are valid points on both sides of this issue.")The reader should have a clear understanding of your work after reading your conclusion.To learn more about essays, refer
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What biome is located only at the equator
Which of the following areexamples of behavioral adaptations?A. migration, hibernation, instincts, being nocturnalB. body color that helps camouflage, body covering like scales, armour, thick coat of fur, beak, clawsC. making venom, secreting slime, digestive enzymes, andaltering the immune system
Answer
A. migration, hibernation, instincts, being nocturnal
Explanation
Behavioral adaptations are the altering or changing of behavior. Migration, hibernation, instincts, being nocturnal are one example o
What is the rate of photosynthesis when no light is present?
DNA is a molecuele found ia all cells which problem does this model of DNA solve
All of that DNA is tightly packaged into chromosomes in a complex series of coils and loops.
Deoxyribonucleic acid is a polymer composed of polynucleotide chains that coil round every different to shape a double helix carrying genetic commands for the development, functioning, boom and reproduction of all regarded organisms and lots of viruses. DNA and ribonucleic acid are nucleic acids.
DNA, or deoxyribonucleic acid, is the hereditary material in human beings and almost all different organisms. nearly every cellular in a person's body has the equal DNA.
In all residing things, DNA is vital for inheritance, coding for proteins, and offering instructions for life and its techniques. DNA dictates how a human or animal develops and reproduces, and eventually dies.
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