Match the key event of meiosis with the stages listed below.

I. Prophase I V. Prophase II
II. Metaphase I VI. Metaphase II
III. Anaphase I VII. Anaphase II
IV. Telophase I VIII. Telophase II

Homologous chromosomes are aligned at the equator of the spindle.

a. IV
b. I
c. VI
d. II

Answer:

B. Analogous structure

Explanation:

The wings of a bat and a butterfly perform similar function. They are believe to have evolved differently from different ancestors, however, they perform the same function.

Such structures are referred to as Analogous structures.

Analogous structure like the wing of butterfly and bat appear similar and perform similar function. They have evolved separately to become adapted to perform similar function.

Answer:

Las principales aplicaciones del electromagnetismo se emplean en: La electricidad. El magnetismo. La conductividad eléctrica y superconductividad.

Explanation:

Answer:

HERE

Explanation:

One resource used for energy production that can impact the natural resource of ozone layer depletion is coal. Burning coal releases pollutants like sulfur dioxide, nitrogen oxides, and mercury into the atmosphere, which can contribute to the formation of smog and acid rain. These pollutants can also react with other chemicals in the atmosphere to break down ozone molecules, contributing to the depletion of the ozone layer. So, the way humans use coal as an energy resource can have a negative impact on the ozone layer and the environment.

One of the ways that human population impact our ability to fish for food is overfishing.

The demand for seafood rises along with the world population. To fulfill the rising demand, fishing efforts are increased as a result. When fish populations are overfished, their numbers are reduced and their capacity to reproduce and replenish themselves is compromised.

Overfishing endangers the long-term availability of fish as a food source and disturbs marine ecosystems and biodiversity.

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Answer:

Explanation:

The pterodactyl and elephant both share the same ancestor population that had an ilium bone. They inherited this structure from the ancestor population. I hope this helps!

This is an example of a debate on rainy season is better than dry season with the pros and cons of both seasons.

Pro: Rainy Season is Better Than Dry Season

Rainy season is better than dry season because it provides much-needed water for plants and animals. It also helps to cool the air and reduce the risk of wildfires. Additionally, rainy season is a time for many plants to bloom, which can be a beautiful sight to behold.

Some of the benefits of rainy season:

Increased water supply: Rainy season provides much-needed water for plants and animals. This is especially important in areas that are prone to drought.

Cooler air: Rainy season helps to cool the air, which can be a relief from the heat of the summer.

Reduced risk of wildfires: Rainy season helps to reduce the risk of wildfires by keeping the ground moist.

Increased plant growth: Rainy season is a time for many plants to bloom. This can be a beautiful sight to behold and can also provide food for animals.

Con: Dry Season is Better Than Rainy Season

Dry season is better than rainy season because it is less likely to cause flooding and mudslides. It is also a time for many plants to go dormant, which helps to conserve water. Additionally, dry season is a good time for farmers to harvest crops.

Some of the benefits of dry season:

Less flooding and mudslides: Dry season is less likely to cause flooding and mudslides because there is less water in the ground.

Plants go dormant: Many plants go dormant during dry season, which helps to conserve water.

Good time for farming: Dry season is a good time for farmers to harvest crops because the ground is dry and hard.

Conclusion

Rainy season and dry season both have their own benefits and drawbacks. Ultimately, the best season depends on the individual's needs and preferences. If you are looking for a season with plenty of water and cooler temperatures, then rainy season is the better choice.

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Answer: methionine, arginine, threonine

Explanation:

Answer:  C! :)

Explanation:

I just took the test :) pls give brainliest!

In biology, autotrophs are organisms that can produce their own food using inorganic substances, such as sunlight and carbon dioxide.

Autotrophs  are also known as primary producers because they form the base of the food chain by converting energy from the environment into organic compounds.

The topic of autotrophs is typically covered in the study of plant biology in the context of a class 7 curriculum.

The most prevalent kind of autotrophs are plants. They do this through a process known as photosynthesis, which turns carbon dioxide, water, and sunlight into glucose (a sugar) and oxygen.

Chloroplasts, specialized organelles found in plant cells, are where this process occurs.

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The mixed number for the given picture is 1 1/4, the correct option is A.

A mixed number is one that manages to combine a whole number and an appropriate fraction.

To transform mixed numbers to improper fractions, follow these three steps: Multiply the numerator by the whole number.

In the given picture, there is one box completely filled and one forth portion in second block is filled, so it is representing mixed number i.e., 1 1/4.

Thus, the correct option is A.

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Answer:

Section 1: Physical Fitness

Do you exercise or play a sport for at least 30 minutes three or more times a week? Yes

Do you stretch before and after exercising? No

Do you warm up before exercising and cool down afterward? No

Do you think that you are at a healthy weight? Yes

Are you mostly happy with the way your body looks and feels? Yes

Do you think you have enough energy? Yes

Give yourself one point for each No response and two points for each Yes response. Section score: _10___

Section 2: Family History

Do you have a family member who:

has high blood pressure? Yes

has diabetes? Yes

has heart disease? No

has cancer? Yes

is extremely overweight? No

Give yourself one point for each Yes response and two points for each No response. Section score: ___7_

Section 3: Hygiene and Medical Care

Do you floss your teeth every day? Yes

Do you brush your teeth at least twice a day? Yes

Do you visit the dentist at least once a year? Yes

Do you use sunscreen? No

Do you know basic first aid? Yes

Are all your immunizations current? Yes

Do you get your vision and hearing checked each year? Yes

Do you see the doctor for a check-up once each year? Yes

Do you feel you get enough sleep at night? Yes

Do you know the warning signs for cancer? No

Give yourself one point for each No response and two points for each Yes response. Section score: _18___

Section 4: Nutrition

Do you eat a lot of red meat or eggs? No

Do you add salt to your food? Yes

Do you add sugar to your food? Yes

Do you eat a lot of high-fat or high-sugar foods? Yes

Do you add butter or cheese to your food? Yes

Do you choose fried foods more often than baked or broiled foods? Yes

Do you drink caffeinated drinks, such as coffee or sodas? Yes

Do you skip meals? No

Give yourself one point for each Yes response and two points for each No response. Section score: _10___

Section 5: Drug Use

Do you smoke or chew tobacco? No

Do you drink alcohol? No

Have you ever used marijuana or other illegal drugs? No

Have you ever abused a prescription drug? No

Give yourself zero points for each Yes response and two points for each No response. Section score: __8__

Section 6: Safety

Have you ever ridden with drivers who were under the influence of alcohol or drugs? No

Have you ever ridden with drivers who speed or disobey traffic laws?no

Do you ever forget to wear your seat belt? No

Do you ever forget to wear a helmet when riding a bike or skateboarding? No

Do you ever play with matches or hazardous materials? No

Is there a gun in your house? No

Give yourself zero points for each Yes response and two points for each No response. Section score: __12__

Section 7: Emotional and Social Health

Do you have hobbies or activities that you enjoy? Yes

Do you give your best effort when doing your work? Yes

Do you find it easy to laugh? Yes

Do you express anger in an appropriate way? Yes

Do you easily fall asleep at night? Yes

Do you share personal problems with someone you trust? Yes

Do you feel well-liked by others? Yes

Do you have someone you can turn to if you need help? Yes

Are your family members and close friends in good health? Yes

Are you generally happy? Yes

Give yourself one point for each No response and two points for each Yes response. Section score: _20___

Total Health Score: __85__

This is mine so it's not going to be accurate for you but please can I get a brainliest.

Animals have organs including the stomach, liver, lungs, and heart. Plants have two different kinds of organs: stems and leaves. Organ systems are collections of organs in higher organisms.

Organ systems are a set of organs working together to maintain good biological performance; organisms are living creatures generated by an ordered collection of systems. Organs are a group of tissues that come together to form a complex structure with a special function.   The vegetative and reproductive organs of plants can be distinguished. The root, stem, and leaf are vegetative plant parts, whereas the flower, seed, and fruit are reproductive. The reproductive organs are necessary for reproduction, but the vegetative organs are crucial for sustaining a plant's existence (they carry out key tasks like photosynthesis).

In light of this, we may affirm that animals have organs such as the stomach, liver, lungs, and heart. Both stems and leaves are various types of organs in plants.

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Primary Biology. Many single-celled and multicellular species, such as fungus and prokaryotes, are studied by microbiologists. Microscopy. Different Microbiology Types.

Small creatures including bacteria, fungus, algae, protozoa, and viruses are the focus of the microbiology major. The development, survival, metabolism, genetics, the biology of microorganisms are studied by microbiology students, who also look at how illnesses, the environment, and biotechnology relate to the organisms.

The study of microbiology has aided in the cure and avoidance of illnesses brought on by bacteria, fungus, virus, and protozoa. Microbiology, for instance, sparked the development of both antibiotics and vaccines in the medical field.

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Answer:

The term that refers to the practical applications of scientific knowledge is A. Technology.

Explanation:

Technology is the application of scientific knowledge to design and create new products, machines, and processes that make people's lives easier, safer, and more convenient. It involves the application of scientific knowledge to solve practical problems and create new technologies that improve people's lives. Technology is an essential part of modern life, and it is used in every aspect of our daily lives. Technology has become a necessary part of our world, from the cars we drive to the phones we use to communicate.

Answer:

It cannot compete with native species and dies off.

Explanation:

Answer:

a.

Explanation:

Answer:

I think it is A.

Explanation:

Answer:

light intensity, carbon dioxide concentration and temperature.

Explanation:

The genetic code is called non-overlapping because adjacent codons can not overlap, whereas in this case, the code is overlapping.

The genetic code does not overlap because the same nucleotide in the sequence cannot be used to encode two different codons.

In genetics, overlapping refers to a feature of the genetic code associated with how this nucleotide code is read.

In conclusion, the genetic code in this case is overlapping.

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The way dirt sticks to surfaces in our daily lives, such as clothing and walls, is a result of electrostatic forces on fine particle adhesion.

Generally, when particle material is electrically insulating, so the electric charge may be kept, electrostatic forces become significant.

Two charges interact with one another to produce electrical forces. The electric force exerted on a single charge in scenarios involving three or more charges is simply the sum of the interactions between that charge and all other charges.

Therefore, Electric force strength is influenced by the electric charge on the particles, as well as their separation from one another.

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Answer:d

Explanation:

Because it can be stored or released

The chemical containing a carbon-carbon double bond from the given options is B. C2H4. A carbon-carbon double bond is a chemical bond between two carbon atoms in which two pairs of electrons are shared.

A double bond is a chemical bond in which two pairs of electrons are shared between two atoms, resulting in a shorter and stronger bond than a single bond.C2H6 is ethane, which contains only single bonds, C2H2 is acetylene, which contains a triple bond, while C2H4 is ethene, which contains a double bond. Therefore, the correct answer to this question is B. C2H4 contains a carbon-carbon double bond. Option B is correct.

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b. Passive transport is the net movement of substances down a concentration gradient that does not require metabolic energy. Active transport is the movement of substances against a concentration gradient that requires energy.

Passive transport permits the solute to move in either direction, but the net movement of solute molecules occurs down the concentration gradient of the molecule.

Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP. Also  active transport moves molecules from an area of lower concentration to higher concentration.

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Answer:

true true true true true true true

Answer:

Nucleotides are to Nucleic acids

Explanation:

This is a part to whole analogy, one makes the other.

Looking at the character table and phylogenetic tree above this is the statement, a backbone is a shared ancestral character in mammals (leopard).

phylogeny can be defined as the evolutionary history of a species or group of species and a phylogenetic tree will give an idea out the history and classification of an organism.

A character which is originated in an ancestor of the taxon, the shared character itself describes the relationship between the ancestor and the current generation, in the same way mammals share the backbone among themselves.

shared character means, they are excellent traits to use in developing a phylogeny and a phylogenetic tree from the ancestors

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Answer:

The prime agonist of inspiration is the diaphragm muscle.

The conditions when expiration becomes an active process is : Emphysema, Pneumonia, Bronchitis.

-Expiration is the passive process as there is elastic recoil of lungs following inspiration without contraction of any muscles.

-The elastic fibers in alveoli are damages or filled with mucus and fluid in the disease such as conditions such as emphysema or pneumonia.

-Elastic recoil of lungs.

-Hence, muscle contraction is required to forcefully exhale the air from lungs. Internal intercostal muscles contract to pull the ribs downward and remove air from the lungs.

Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.

Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.

Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.

Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.

Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.

Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.

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Answer:

i say 'a' lower cased

Explanation:

brainlest?

Explanation:

For the Punnett square, for each genotype (Letters), you just find out how many of a certain combination in the boxes that there are .

(e.g, if there's one BBRR = 1/16, if there's 3 BbRrs = 3/16)

Do that for each Genotypic Ratio.

For the phenotypic ratio, you need to find out which genotype is dominant, and if the genotype combo will show up in a guinea pig physically.

For example, for the Black, Rough Phenotype, it would be the BBRR combo, since both are dominant and will be present in the guinea pig.

i hope this helped you !!!!!!!!!!!

A dihybrid cross is a breeding experiment that involves studying the inheritance patterns of two different traits simultaneously.

It examines the inheritance of two different genes located on different pairs of homologous chromosomes. This type of cross allows for the analysis of independent assortment and the determination of the phenotypic and genotypic ratios of offspring.

The genotypic and phenotypic ratios are:

Genotype ratio:

BBRR: 1/16

BBRr: 2/16

BBrr: 1/16

BbRR: 2/16

BbRr: 4/16

Bbrr: 2/16

bbRR: 1/16

bbRr: 2/16

bbrr: 1/16

Phenotype ratio:

Black, rough: 9/16

Black, smooth: 3/16

White, rough: 3/16

White, smooth: 1/16

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