How can you consider aquarium as an example of ecosystem?​

Mayas began developing large cities, which including massive pyramidal structures.

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Answer:

gggg

Explanation:

Answer:

the quality or state of being conscious or aware of something.

or

a mental state achieved by focusing one's awareness on the present moment, while calmly acknowledging and accepting one's feelings, thoughts, and bodily sensations, used as a therapeutic technique

Explanation:

All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat.

Answer:

solar radiation I'm sure

The division of time on the geologic time scale that is the longest is an eon, which is in option B, as an eon can span billions of years and is divided into eras, which are then divided into periods and epochs.

The geologic time scale is a system used by geologists and other scientists to divide the history of Earth into specific intervals of time based on major events and changes in the planet's geology, climate, and life forms. The geologic time scale is divided into four main categories: eons, eras, periods, and epochs. An eon is the largest and longest division of time on the geologic time scale, spanning billions of years.

Hence, the division of time on the geologic time scale that is the longest is an eon, which is in option B.

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Answer: Reproduction and life cycle. Elephants live in small family groups led by old females (cows). Where food is plentiful, the groups join together.

Explanation:

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The CBR + Immigration of this country is 3%, but the overall population growth rate is -2%. The question asks for the sum of the Crude Birth Rate (CBR) and the Immigration rate. In this case, CBR is 2% and the Immigration rate is 1%. Therefore, the sum of these values is:
CBR + Immigration = 2% + 1% = 3%

The CBR (Crude Birth Rate) is 2% and the immigration rate is 1%. To find the CBR + Immigration, we simply add these two percentages together:
CBR + Immigration = 2% + 1% = 3%

However, we should also take into account the emigration rate and the crude death rate (CDR) to understand the overall population growth rate. Using the hint given, we can calculate the population growth rate as follows:
(CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
Substituting the values given in the question, we get:
(2% + 1%) - (1% + 4%) = -2%
This means that the population is decreasing by 2%.

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All of the following are required in the reactions of microbial respiration EXCEPT Oxygen. Therefore, D is the correct option.

The term "anaerobic respiration" refers to the use of electron acceptors other atomic oxygen (O2). The procedure still employs a respiratory electron transport chain even though oxygen is not the ultimate electron acceptor.

When an aerobic creature breathes, electrons are transferred to an electron transport chain, with oxygen serving as the last electron acceptor. Oxygen molecules make a great electron acceptor. Instead of using oxidising compounds, anaerobes use less oxidising ones like nitrate, fumarate, sulphate, or elemental sulphur. Compared to \(O\)₂, these terminal electron acceptors have lower reduction potentials. Per oxidised molecule, less energy is released. Anaerobic respiration is therefore less effective than aerobic respiration.

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Answer:

They help you carry things, walk, run, etc

Explanation:

Numerous structures found in our cells are necessary for life. The chromosome is one of these essential components.

Every cell in our body has a nucleus where chromosomes are housed. Chromosomes are formed of DNA that is tightly wound around proteins.

The primary distinction between chromatin and chromosomes is that the former is made up of the DNA double helix's maximum condensed structure, whereas the latter is made up of the DNA double helix's unravelled structure for the purpose of packing into the nucleus.

DNA tangling and damage are prevented during cell division by packing DNA into chromosomes.

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Answer:

soluble fiber

Explanation:

soluble fiber draws water into your gut, which softens your stools and supports regular bowel movements. it not only helps you feel fuller and reduces constipation but may also lower your cholesterol and blood sugar level.

The study titled "Phytochrome interacting factor MdPIF7 modulates anthocyanin biosynthesis and hypocotyl growth in apple" investigates the role of a specific protein, MdPIF7, in regulating anthocyanin biosynthesis and hypocotyl growth in apple plants.

Phytochromes are light-sensing proteins that play a crucial role in various plant processes, including photomorphogenesis and pigment production. MdPIF7 is a phytochrome interacting factor, which means it interacts with phytochrome proteins to regulate their activity and downstream responses.

The researchers aimed to understand the function of MdPIF7 in apple plants, specifically its involvement in anthocyanin biosynthesis and hypocotyl growth. Anthocyanins are pigments responsible for the red, purple, or blue coloration in fruits, flowers, and leaves. Hypocotyls are the stem-like structures found below the cotyledons of a germinating seed.

The study likely involved genetic and molecular techniques to manipulate the expression of MdPIF7 in apple plants. The researchers may have used transgenic plants with altered MdPIF7 expression levels or conducted gene knockdown/knockout experiments to examine the effects on anthocyanin production and hypocotyl growth. Various assays and measurements, such as gene expression analysis, pigment quantification, and growth phenotyping, were likely performed to assess the outcomes.

The findings of this study contribute to our understanding of the molecular mechanisms underlying anthocyanin biosynthesis and hypocotyl growth regulation in apple plants. It sheds light on the role of MdPIF7 as a key regulator in these processes and provides insights into potential strategies for manipulating anthocyanin content and growth characteristics in apple crops.

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Answer: It becomes more dense when it freezes.

Explanation: water becomes less dense when it freezes because ice has a cage like structure.

The host cells are destroyed when pathogens metabolize and multiply. This process can lead to tissue damage, inflammation, and the release of toxins that can cause symptoms of disease.

The pathogens are microorganisms that can invade and infect a host organism. During an infection, pathogens may release enzymes and toxins that can damage host tissues and disrupt normal cellular processes. For example, some bacteria can produce proteases that break down host tissues, while others may produce toxins that interfere with protein synthesis.

As pathogens multiply and spread, they may also consume host nutrients and resources, leading to further damage and depletion of vital tissues. In some cases, the immune response to the pathogen may also contribute to tissue damage and inflammation. Overall, the direct damage caused by pathogens can have a significant impact on the health and survival of the host organism.

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Two structural features that can be used to separate a housefly and a millipede are winged vs. wingless and legs per body segment.

Houseflies and millipedes can be distinguished based on several key characteristics:

Body Structure: Houseflies have a compact body structure with a single pair of wings and six legs attached to the thorax. In contrast, millipedes have an elongated and segmented body with numerous pairs of legs. The number of legs in millipedes can vary, but they typically have more than six pairs.

Winged vs. Wingless: Houseflies possess fully developed wings, enabling them to fly, while millipedes lack wings and are incapable of flight. Instead, millipedes rely on their numerous legs for movement.

Habitat and Behavior: Houseflies are commonly found in diverse environments, including urban areas, where they are attracted to food sources. They are known for their ability to quickly move and hover in the air. On the other hand, millipedes are primarily found in damp environments such as forests or gardens, where they feed on decaying organic matter and vegetation.

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Answer:

Anything that restraints a population's size and slows/stops it from growing.

I'd say they're important so that there's no overpopulation.

Answer:

neon bc neon is it PEriot and don't forget to round the atomic mass to the nearest whole number in assuming this is one ur assignments

Answer:

here are your answers :)

Explanation:

Osmosis is the simple passive transport through which water moves through a semipermeable membrane when solutions at bot sides show a difference in solute concentration.  1. 10%. 2. 90%. 3. 80%. 4. Yes. 6. swell. 7. hypertonic

Osmosis is the simple passive transport of water molecules that occurs when two dilutions of different concentrations are separated by a semipermeable membrane.

The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side (higher water potential) to the less diluted one (lower water potential).

Let us remember that the water potential is the potential energy in a mass of water. Among other factors, it depends on solute concentration,

Concerning solute concentrations,

1. What is the % of glucose outside the cell? 10%

2. What is the % of water outside the cell? 90%

3. What is the % of water inside the cell? 80%

4. Will osmosis occur? Yes, because there is a difference in solute and water concentration.

5. If so, which way will water move (into or out of the cell)? Into the cell.

6. Will the cell swell or shrink? the cell will swell because water in goin in.

7. The cell is in what type of solution (hypertonic, hypotonic, isotonic)? hypertonic, because solute concnetration is higher in the cell thann outside.

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Answer:

It is a seeded vascular plant.

It does not depend on insect pollination.

Explanation:

The complete question is: A scientist has discovered a new plant species in the Amazon rainforest. She tells her fellow scientists that the plant she has found produces a cone. What might they say about how this plant is different from an angiosperm? Its seeds have one or two cotyledons. Its stems' vascular bundles are scattered. It does not depend on insect pollination. It is a seeded vascular plant.

The correct option would be that the plant is a seeded vascular plant and does not depend on insect pollination.

Gymnosperms are the only group of plants that produce cones. They are one of the plant groups that have vascular tissues in the form of xylem and phloem as well as been able to produce seed in the form fo cones. Hence, they are said to be seeded vascular plants.

Gymnosperms also carry out their pollination by relying solely on wind for the transfer of their pollen grain to the female organ. In other words, they do not depend on insect for pollination.

The orbicularis oris is best described as: It closes, purses, and protrudes the lips. the answer is D.

The orbicularis oris is a muscle located around the mouth, specifically around the lips. It is responsible for several movements involving the lips. It functions to close the lips, allowing for the complete closure of the oral cavity.

It also helps in pursing the lips, such as when forming an "O" shape or whistling. Additionally, the orbicularis oris plays a role in protruding the lips, as seen when someone pouts or pushes their lips forward. The muscle's circular arrangement and its connections to the surrounding structures allow for these coordinated movements of the lips.

Hence, the correct option is: D.

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The main structures of the human circulatory system include the heart, arteries and veins. This system act to transport red blood cells.

The human circulatory system is a system used by the body to transport oxygen-rich red blood cells, which is required during cellular respiration.

The human circulatory system includes the heart and blood vessels (arteries and veins).

The hearth is responsible to pump red blood cells to all the body, while blood vessels transport these cells to all the body.

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Answer:

false

Explanation:

resources from the earth are natural resources

Hummingbirds have to excrete large amounts of water because they consume large amounts of nectar, which has a low sodium concentration, and this can result in an excess of water in their bodies.

Hummingbirds consume large amounts of nectar, which is mostly water and low in sodium concentration. As a result, the excess water has to be excreted from their bodies to maintain proper fluid balance and avoid water toxicity. This is why hummingbirds have to excrete large amounts of water. Along with the high nectar diet, hummingbirds also conserve water by recycling uric acid and feces instead of excreting water with it. This allows them to avoid dehydration during the day, which is critical for their survival. In the absence of adequate water, they could succumb to dehydration, which would be fatal.

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A wild-type gene is difficult to define because it is based on relative comparison to other variants of the same gene.

Wildtype refers to the most common or typical version of a gene in a population, but what is considered wildtype can vary between different populations or even within the same population over time. Additionally, some genes may have multiple "wild type" forms that are equally common or may be influenced by environmental factors. Therefore, the definition of wildtype is not always clear-cut and may depend on context and comparison to other gene variants

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Answer:

1. 40 minutes

2. cake keeper

3. 15 minutes

4. plastic wrap

5. refrigeration

6. filling

7. refrigerated

8. wrapped

9. frozen

10. cakes

11. 3-4 days

12. moisture

13. filling

14. butter

15. ??

Explanation:

fk this

She should be informed by the counsellor that since deafness is not inherited and both she and her husband have normal vision, there is absolutely no chance that her children will be either blind or deaf in one ear.

The X chromosome contains the genes that cause color blindness. Yet, a son's (a male offspring) X chromosome does not come from the father but rather from the mother. Hence, even though a father and his son both have color blindness, the son got it from his mother.

An X-linked recessive genetic disease called colorblindness exists. No, a colorblind mother cannot give birth to a normal son.

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