The students recorded the actual sizes of the sun and planets

The students used a solar system model calculator to determine the scaled sizes of the sun and planets and recorded this information in the students worksheet

Answer:

ok, I'm gonna answer this as best as I can. basically, offspring don't look exactly like either parents because half of their genetic makeup comes from the mom, the other from the dad. and the genetics from each parent are always different for each sibling. the certain features each parent gives to their offspring are random. if one parent had a dominant trait for one feature, and the other parent has a recessive, the dominant overrides the recessive and the dominant trait is the phenotype (physical appearance). just because an offspring doesn't have the phenotype of a certain trait doesn't mean they don't have the genotype (the trait's gene) and that they can't. pass it onto their offspring in the future. I hope that makes sense, I tried my best! kinda hard to explain because I'm only 14 and just learned this stuff this year haha.

Answer:

more effective medical care

Answer:

◾️food production

◾️better sanitation

◾️more effective medical care

Explanation:

These all help humans live longer, causing rising populations.

Answer:

1. Homeostasis.

2. Cell membrane.

3. Semi-permeable.

4. Passive transport

5. Osmosis.

6. Facilitated diffusion.

7. Active.

8. Endocytosis.

9. Exocytosis.

10. Protein pumps.

Explanation:

A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.

A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.

Generally, cells have the ability to independently replicate themselves.

In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles.

In order for cells to function properly and stay alive, they must be in a state of equilibrium known as homeostasis.

Homeostasis can be defined as a process through which a living organism maintains a steady or stable physical, internal and chemical environment that is ideal to enhance life and proper functionality.

One way that cells maintain balance is by transporting material in and out of a cell; the cell membrane is the organelle that is responsible for regulating this process. The cell membrane is called semi-permeable which means that the membrane will allow some materials to enter/exit the cell while preventing others. Thus, it is the wall of the cell and typically controls what leaves and enters the cell.

Some materials can easily move across the cell membrane without requiring energy, this is called passive transport and includes diffusion and osmosis, the diffusion of water. Another type of passive transport requires a protein to move larger molecules such as glucose across the cell membrane. This is called facilitated diffusion.

Other particles require energy to move across the membrane because they move against the concentration gradient and against homeostasis; this type of movement is called active transport. An example of active transport is endocytosis where vesicles are formed to move large particles into the cell and exocytosis where vesicles move large particles out of the cell.

This ultimately implies that, exocytosis is a process in which living organisms release or expel large amount of unwanted material through the use of vesicles. Vesicles are cell organelles that ensure materials are properly transported to the right and exact location.

Additionally, exocytosis is a process initiated by the Golgi apparatus because it prepares the material for export by chemically tagging them.

Protein pumps are another example of active transport that moves ions against the concentration gradient using a protein.

Answer:

Carbohydrates are the body's main source of energy. Without carbohydrates, your body will use up fat and protein in place of carbohydrates. These other sources of energy are harder to use. Carbohydrates provide energy for everything you do, whether it be running or breathing. Carbohydrates also provide important fiber for protection against disease. Extra carbohydrates (not used for energy), broken down as glucose, can be converted to glycogen, which is important for good muscle and liver health.

Explanation:

Hope this helps! :)

Due to its proximity to the equator, the tropical region enjoys a hot climate. In this area, the low temperature is 15 °C. The temperature can rise above 40°C in the summertime.

Rainfall is the total volume of water as falls as showers over the period of a week or a month. Rainfall is gathered from a variety of places and periods to estimate it since quantities might differ across sites and times.

Including the animals, plants, fungi, and even bacteria—that make up our natural world. These many creatures and species work together in intricate ecosystems resembling webs to maintain equilibrium and sustain life. Biodiversity is necessary for the survival of everything in nature that we depend on, including food, clean water, medicines, and shelter.

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Answer:

Fitness enable organism to survive in the particular environment.

Explanation:

Fitness of organisms is the characteristics which able the organisms to survive in harsh environmental condition and in the process of natural selection. Organisms which are better suited to their environment will survive and reproduce in that particular environment which leads to increase in the population of the organisms. Organisms having more fitness have more chances to survive in that environment whereas those organisms having lower fitness, can't survive and removed from that environment.

If a neurosurgeon directly stimulates the somatosensory cortex, the most likely experience would be the sense of being touched.

Somatosensory cortex is the part of the brain involved in receiving and processing of the information received from the senses of the body like touch, pain, temperature, etc. The region of the brain where the cortex is present in the parietal lobe.

Senses are the specialized organs of the body that make the individual aware of its surroundings. These senses act as receptors that receive the information from an external stimuli. There are 5 types of senses in human body: touch, vision, hearing, smell and taste.

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Statement 1 is the correct one because every individual receives one copy of the gene from their mother and one from their father.

The process by which a gene's information is used to create a functioning gene product, such as proteins or non-coding RNA, is known as gene expression. Transcription is the process through which the information in the gene is initially transformed into RNA.

And, then the information in the RNA will be translated into protein. This results in the synthesis of functional or non-functional proteins. For goat's horn, the protein keratin is required to buildup a tough structure.

Therefore, in the given situation, the gene combination regulates the shape of the horn of a young goat. Therefore, the correct statement is 1.

The complete question is -

A young goat has downward-curved horns. Its father has upward-curved horns while its mother has downward-curved horns. Which of these statements explains why the young goat has downward-curved horns?

1. The young goat inherited one copy of the gene for horn shape from its mother and one copy from its father. That gene combination instructs for proteins that connect in ways that make downward-curved horns.

2. The young goat inherited one copy of the gene for horn shape from its mother and one copy from its father. Those genes connect together to make its downward-curved horns.

3. The young goat inherited its copies of the gene for horn shape from its mother and not from its father. Just like its mother's genes, those genes instruct for proteins that connect in ways that make its downward-curved horns.

4. The young goat inherited its copies of the gene for horn shape from its mother and not from its father. Those genes connect together to make its downward-curved horns.

Which one is the answer?

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Option A, The plasmid containing the amp gene was added to the first sample of E. coli, but not to the second sample. Therefore, only the first sample should contain bacteria that are resistant to ampicillin.

This is represented by the shaded area on the plate I, which indicates extensive growth of bacteria. Plates II, III, and IV do not have any shaded area, meaning that there is no extensive growth, and only dots representing individual colonies of bacteria.

Since the plasmid was not added to the second sample it does not have resistance to the antibiotic. This means that plates III and IV, which contain the antibiotic, will not have any ampicillin-resistant bacteria and thus the answer is a. I only.

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The plant begins with carbon dioxide and ends with glyceraldehyde-3-phosphate in the light-independent processes (G3P). Energy is obtained from the light-dependent processes in the form of ATP and NADPH.

The photochemical process of photosynthesis involves a number of light-independent biochemical events light-independent reactions that result in plant the formation of organic compounds from carbon dioxide. This metabolic pathway is propelled by the energy released from the ATP created during the light reactions. Photosystems I and II, which are both found in the thylakoid membranes of chloroplasts, are plant responsible for using light energy. The light-independent reactions ,chemical energy obtained during the light-dependent processes is used to construct carbohydrate molecules from plant carbon dioxide in light-independent reactions (the Calvin cycle).

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Answer:

Fires lead to mudslides because burning can kills the plants' roots. Roots hold soil together, stabilizing the land and making it less likely to be swept away

The presence of file-like rasping tool called a radula makes mollusks unique. This structure helps them to dig algae and other food from rocks or they can even shell of prey.

In general , Mollusks are classified to have soft bodies, and the body is not segmented . Soft body helps to holds the heart, liver, digestive system, and other important organs. Mollusks don't have legs, they have rough tongues with teeth like structure known as radula .

Hence, important distinguishing feature in mollusks is having a hard outer shell. That covers the top of the body and helps to enclose many internal organs. They have distinctive head region, this region have tentacles for sensing and also grasping food.

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cyanide at low concentrations, acts as a mitochondrial activator and stimulatory bioenergetic factor. Its effects are associated with the stimulation of CCOx activity and an elevation of intracellular ATP, leading to a stimulation of cell proliferation.

Cyanide's blockade of complex IV depletes ATP, which leads to cell death. Cytochrome a3 that has been reduced cannot be reoxidized by oxygen. As a result, both cellular respiration and ATP generation are hindered, effectively depriving the cells, tissues, and ultimately the entire body of oxygen.

Electron transport chain is unable to pump electrons into the intermembrane gap after cyanide exposure. The pH gradient would fall, the intermembrane gap pH would rise, and ATP synthesis would cease.

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The correct answer is :  conflict

Answer:

Conflict

Explanation:

got a 100! the person who said Conflict was right!

If you crossed a tall pea plant TT with a short one TT all the offspring will be tall.

Dominance is the phenomena in genetics where one allele (variant) of a gene on one copy of a chromosome obscures or overrides the impact of another allele (variant) of the same gene on the other copy of the chromosome. [1][2] Dominant refers to the first variant, and recessive to the second.

In both Mendelian inheritance and traditional genetics, dominance is a crucial idea.

No allele or its features are inherently dominant (phenotype). One allele of a given gene may be dominant over a second allele of the same gene, recessive to a third allele, and co-dominant with a fourth allele; the relationship between two alleles of a given gene of any function is strictly relative.

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Answer:

Explanation:

Taxonomy is the study of different organisms, their classification into categories according to their morphological and molecular characteristics and their evolutionary relationships, and assigning to each them a binomial name.  

The categories where organisms are classified into are:

• Domains are the highest taxonomic category in which living beings can be grouped or divided. There are three domains: archaea, bacteria, and eukarya.

- The archaea domain  

- The bacteria domain  

- The eukarya domain  

• Kingdom: Includes different phyla closely relates.  

• Phylum: Includes different classes closely related.

• Class: Includes different orders closely relates.

• Order: Includes different families closely related

• Family: Includes different genera closely relates

• Genus: Includes many species → Lycaon, Vulpes, and Canis are genuses

• Species: Includes subspecies if there are → For instance, Canis lupus

       Subspecies subgroups inside the species group → Canis lupus familiaris

So each level includes the following levels.

In the exposed example, Canis lupus familiaris is a subspecies of the species Canis lupus.

Answer:

Discharge (Q) = Velocity (V) x Area (A)

Q = V x A

Q = 300 m/s x (25 m x 3 m)

Q = 22,500 m³/s

Mesosaurus was a freshwater reptile whose fossil was found in the northwest part of South America and  the southeast part of Africa Alfred Wegener used the placement of this fossil as scientific proof of his continental drift theory .

Alfred Wegener amassed a plethora of data to back up his idea, including geological "fit" and fossil evidence. It is crucial to note that Wegener did not present the following particular fossil data to support his claim.

Wegener did not gather the fossils, but he drew attention to the concept of utilizing scientific documents saying that there were remains of species extant on several continents to support his argument.

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Because the abscess wall obstructs adequate blood flow through into pus, management of an abscess frequently necessitates surgical drainage of the abscess.

Instead of acting as a barrier, macrophages target pathogens once they have already entered the body. Physical barriers include mucus and epithelial tissue, whereas chemical barriers include saliva and urine.

The most significant of the three antigen-presenting cells, dendritic cells play a crucial role in the beginning of innate and adaptive immunity (see Section 1-6). Macrophages can directly mediate innate immunity and play a critical role in the effector component of the adaptive immunological response.

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Answer:

Assuming this isn't multiple choice, the deforestation of plants will contribute to thier populations getting smaller, and the introduction of other animals that eat those plants will create competition

Diseases and environmental changes will affect the population of wolves other than the moose population.

Thus we can conclude that disease and environmental changes will affect the population.

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Answer:

One gram of liquid water changed into water vapor at its boiling point, energy is required called the heat of vaporization. Water has a heat of vaporization of 40.65 kJ/mol. Hydrogen bonding is present between water molecules so to break this hydrogen bond, heat energy is required.

Explanation:

Answer:

Energy is required called the heat of vaporization.

Explanation:

Water has a heat of vaporization of 40.65 kJ/mol. Hydrogen bonding is present between water molecules so to break this hydrogen bond, heat energy is required.

Answer:

Lara uses more water

Explanation:

because Lara takes longer showers, uses the dishwasher more often, and keeps the water on while brushing her teeth while Mateo takes shorter showers which uses less water. Washing your hands and keeping the water off while brushing will consume less water as well.

Answer:

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Explanation:zdfbadadfadfa

Mendel chose garden pea for his experiment because they have shorter life span, are bise-xual, self pollinating and have visible physical characteristics.

Mendel conducted a lot of experiments during his study in genetics. He considered garden pea ideal for his experiments for a number of reasons. The first reason being that garden pea has a short life span and because of this they are able to grow very quickly and are easy to maintain. The second reason is that they have visible physical characteristics which makes them easy to observe and study.

The other two reasons being that garden peas have bise-xual flowers and because of this, these garden peas are self-pollinating. They do not need another plant for pollination and can also easily cross pollinate.

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