Sequence the steps of respiration starting with inspiration.

Explanation:

Plant cell

Is the best example of a eukaryotic

\( \bf Eukaryotic \: cells : - \)

They are complex and larger than the prokaryotic cells its name is drived from a Greek word meaning 'good' or 'true nuclei' they consist of the cell wall which protects and supports the plasma membrane these cells are found in all organisms except bacteria and blue green algae for example plant animal fungi etc all are eukaryotes. Amoeba is a eukaryote because it has a distinct nucleus which is bound by nuclear membrane.

Cell :- Smallest structural and functional unit of a living organisms.

Unicellular organisms :- The organisms made up of one cell only.

Multicellular organisms :- The organisms made up of two or more cells.

Cell wall :- The covering of cellulose outside plasma membrane also called plasma membrane.

Centriole :- The cell organelle that helps in cell division found only in animal cell.

Chloroplast :- The photosynthetic originals found in a plant cell green in colour due to the presence of chlorophyll.

Tissue :- A group of cells having the same structure performing the same function.

Nucleus :- The control centre of the cell

Answer:

growth, the increases in cell size and number that take place during the life history of an organism.

Hope this helps :)

Answer:

Hydrology

Explanation:

Hydrology is the scientific study of the movement, distribution, and management of water on Earth and other planets, including the water cycle, water resources, and environmental watershed sustainability.

Concept Map: 1. Electrical Stimulation: The electrical stimulation generated by the sinoatrial node (SA node) or an artificial pacemaker causes ion channels in the cardiac pacemaker cell to open, allowing for the flow of ions into and out of the cell.

Electrical stimulation (ES) is a form of treatment that utilizes a low-level electrical current to stimulate nerve endings in order to decrease pain, increase muscle strength and improve circulation. Electrical stimulation works by delivering a low-level electrical current to the target area of the body.  

2. Action Potential: The action potential is generated when positively charged ions, such as sodium and calcium, enter the cell and cause the membrane potential to become depolarised.

3. Repolarisation: Potassium ions then leave the cell and cause the membrane potential to become repolarised.

4. Conduction Pathway: The action potential then travels along the conduction pathway, which includes the atrioventricular node (AV node), bundle of His, and Purkinje fibers.

5. Contraction: When the action potential reaches the contractile cells, calcium ions enter the cells, causing the cells to contract.

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Answer:

glucose and oxygen

Explanation:

A food chain constructed from a fur seal, feeds on algae in plankton, killer whale feeds on fur seal, fur seal feeds on shrimps​

Algae → Shrimps → Fur Seal → Killer Whale

The base of the food chain is algae, which is a primary producer that converts energy from the sun into food through photosynthesis.

Shrimps feed on the algae and are primary consumers in this food chain.

The fur seal is a secondary consumer that feeds on shrimps.

Finally, the killer whale is a tertiary consumer that preys on the fur seal, making it the top predator in this food chain.

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Katie's experiment most likely represents the interactions between the atmosphere, ocean, and geosphere, option A is correct.

The moist sand on the paint roller pan represents the geosphere, the water represents the ocean, and the straw blowing represents the atmosphere. By creating waves with the straw, Katie is simulating the wind's effect on the ocean, which is an important interaction between the atmosphere and the ocean.

The displacement of sand by the waves is an example of how the geosphere can be affected by the ocean's movements. Therefore, the most likely interactions being represented are between the geosphere, ocean, and atmosphere. These interactions are crucial for the Earth's climate and weather patterns and play an important role in shaping the physical environment, option A is correct.

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The correct question is:

Katie designed an experiment using a paint roller pan, sand, and water. The steps of the experiment are listed below. Put 3 inches of moist sand on a paint roller pan. Make a beach by scooping the sand toward the higher portion of the pan. Pour water into the deeper end of the pan. Use a straw to blow (simulate wind) on the water for 2 minutes to create waves. Observe how the sand is displaced by the waves. Katie's model most likely represents the interactions between the:

A) atmosphere, ocean, and geosphere

B) geosphere, ocean, and biosphere

C) atmosphere, ocean, and biosphere

D) cryosphere, biosphere, and ocean

Answer:

Mucky Water

Explanation:

I'm in high school Aquatics and I had this question popped up

Answer:

Explanation:

Sun: weathering by wind, weathering by water, heat and pressure

Earth: melting of rock, flow of magma

I'm not sure if I get the heat and pressure correct.

The correct trace nutrient pathway in a Great Lakes forest that is invaded with non-native earthworms is leaf litter → earthworm → soil → trees. The correct option is B.

When there is an oversupply of food, nutrient-sensing pathways activate anabolism and storage, and when there is a shortage of food, homeostatic mechanisms including the mobilization of internal stores via mechanisms like autophagy are triggered.

Human metabolic illnesses frequently exhibit altered nutrient-sensing mechanisms.

Therefore, the correct option is B, leaf litter → earthworm → soil → trees.

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Answer:C

Explanation:

makes sense

Answer:

Allele frequencies refer to a decimal, a percentage, or a fraction, because allele frequencies is the total number of copies of all the alleles at the particular genetic locus in the population.

Explanation:

The proportion of a particular allele among all the alleles for a given gene

One function of the structure labeled Y is to pump blood into the heart.

The correct option is B.

Structure Y refers to the pericardial cavity which surrounds the heart in snails.

The pericardial cavity plays an important role in the circulation of hemolymph, the snail's equivalent of blood. It functions as a chamber that receives and stores oxygenated hemolymph from the gills and pumps it into the heart, which then distributes it throughout the rest of the body.

Therefore, option "pump blood into the heart" is the correct function of structure Y. Option "digest prey" is not related to the structure Y in snails, and option "remove carbon dioxide from blood" and "capture prey" are not relevant to the circulatory system of snails.

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Complete question:

A snail is shown in the diagram. What is one function of the structure labeled Y?

digest prey

pump blood into the heart

remove carbon dioxide from blood

capture prey

Answer: Nitrogen, Phosphorus and Potassium

Explanation:

Answer:

A crystal is an inorganic (not alive, not from something alive) homogeneous solid (meaning a solid with the same properties at all points) with a three-dimensional, repeated ordering of atoms or molecules. ... Crystals grow in one of three primary ways: from a vapor, from a solution or from a melt.

Taking into account the definition of density,  the density of copper is 8.99 g/cm³.

Density is defined as the property that matter has to compress into a given space and it is a quantity that allows us to measure the amount of mass in a certain volume.

The expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

density= mass÷ volume

In this case, you know that:

Replacing in the definition of density:

density= 89.9 g÷ 10 cm³

Solving:

density= 8.99 g/cm³

In summary, the density of copper is 8.99 g/cm³.

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It happens through 3 stages

In Meiosis one the cell produces diploid daughter cells by combining homogeneous and heterogeneous chromosomes.

In Meiosis two these diploids again tear apart to produce haploid daughter cells

Answer:

Carbohydrates: Formed of sugars and starches, carbs are the macronutrient that your system most requires. Your body breaks down most carbohydrates easily, so they are responsible for supplying you with a significant source of energy

Explanation:

Answer:

C

Explanation:

Building a highway destroys an ecosystem/habitat, so not b. With the ecosystem destroyed there will be a reduced number of trees that produce oxygen, so not d. Now you make an educated guess. If there is a large highway there will be a lot of cars which produce lots of carbon dioxide. No butterflies.

Answer:

Increase in Co2

Explanation:

More vehickes mpre Pollution

Answer:

their orbits can be exactly calculated by Newton's laws of motion and gravity. Briefly, the sum of the forces will equal the mass times its acceleration. Gravity is proportional to mass, and falls off proportionally to the square of distance. Hope this helps :)

Explanation:

Answer:

C

Explanation:

The presence of metamorphic rocks is most likely evidence of high pressure.

Metamorphic rocks are rocks that are formed from the transformation of other rocks. They could be igneous or sedimentary rocks that have been subjected to high temperature, pressure, or hot mineral fluid and then become metamorphosed into another type of rock.

Sometimes, metamorphosis of rocks happens from the combination of all the factors. Example include the metamorphosis of granite to gneiss and that of shale to schist.

Hence, the presence of metamorphic rocks is most likely the presence of high pressure.

Correct option: C.

Cats have evolved certain behaviors that are influenced by their natural instincts and experiences.

When a cat sees milk, it may be attracted to it because it contains nutrients that are important for its survival, and the cat may associate the presence of milk with positive experiences. This can include nursing from its mother as a kitten or catching and consuming prey that contains milk or milk products.

On the other hand, when a cat sees a stick, it may perceive it as a threat or danger, and may associate it with negative experiences, such as being hit or attacked by a predator. This can trigger the cat's natural instinct to flee or hide from potential danger, as a survival mechanism.

Overall, a cat's behavior is influenced by its instincts, past experiences, and environmental cues. It may approach things that it perceives as positive or beneficial, and avoid or flee from things that it perceives as dangerous or threatening.

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The gizzard is the muscular organ located between the crop and the small intestine in birds. Its primary function is to mechanically grind and break down food, as birds do not have teeth to chew their food.

The gizzard accomplishes this through strong muscular contractions that crush and grind the food against small stones and grit that the bird has ingested.

Therefore, it is likely that the contents found in the gizzard would be more ground up compared to those found in the crop. The crop is a storage organ located at the base of the bird's neck that serves as a temporary holding place for food before it enters the digestive system. While the crop may soften and partially break down food through the secretion of digestive enzymes, it does not have the same mechanical grinding function as the gizzard.

In summary, the gizzard is the organ responsible for grinding and breaking down food in birds, while the crop primarily serves as a temporary storage organ. Therefore, the contents found in the gizzard are likely to be more ground up compared to those found in the crop.

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The inputs of Photosynthesis are water and carbon dioxide and the outputs are sugar and oxygen.

The inputs of Cellular Respiration are Sugar and oxygen and the outputs are energy and carbon dioxide.

Photosynthesis is a process that occurs in plants and some other organisms, where light energy is converted into chemical energy in the form of glucose (sugar) and oxygen is produced as a by-product.

On the other hand, cellular respiration is a metabolic process that occurs in all living cells and it converts the chemical energy stored in glucose (sugar) into usable energy in the form of ATP, while producing carbon dioxide as a waste product.

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The reason why the Portuguese loyal family left Portugal for Brazil was because of the invasion of the French under Napoleon I in 1807.

This arrival of the Portuguese heralded the Modernization that began to occur throughout Brazil.

The presence of the Monarchy in Brazil was very instrumental in the political and social history of brazil. The presence of the Monarchy led to the following

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Answer:

4 mass extinctions

Explanation:

as there are huge drops in the graphs

at 440,390,260,50

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