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Population

A population refers to the collection of organisms that belong to similar species and live in a single geographical area at a specified time. An example of a population is all the people residing in the United States.

19,593 Questions

What percentage of the worlds population lived under Roman law in the first century AD?

It is estimated that around 20-25% of the world's population lived under Roman law in the first century AD, primarily in the Roman Empire's territories and provinces. The Roman legal system influenced various aspects of governance and daily life in these regions.

How many times bigger is the population of US than the population of Canada?

The US has has a larger reproduction rate throughout history as well as a migration rate. The US' reproduction rate is about 1% while Canada's is about .8%, but currently Canada's migration rate is about 1 more than that of the US.

How is a hybrid zone most likely to change over time if hybrid offspring have higher fitness than both parental populations?

If hybrid offspring have higher fitness than both parental populations, the hybrid zone is likely to expand over time as hybrids outcompete the parental populations. This can result in genetic swamping, where the hybrid gene pool replaces that of the parental species. Over time, this can lead to the eventual fusion of the two parental populations into a single hybrid population.

What plots the number of organisms in a growing population over time?

A logistic growth curve plots the number of organisms in a growing population over time. Initially, the curve shows exponential growth until reaching the carrying capacity, where population growth levels off due to limited resources. This curve is commonly used in ecology to model population dynamics.

What are the causes of optimum population?

Optimum population refers to a balance between available resources and the number of people in a given area. Causes of achieving optimum population include effective family planning programs, access to education and healthcare, economic opportunities, and social welfare systems that support a sustainable population size. Maintaining a balance between population and available resources helps ensure a higher quality of life for everyone in the community.

What is ultimately responsible for introducing new alleles into a population?

New alleles are introduced into a population through mutations in DNA which can occur spontaneously, typically during the process of DNA replication. Mutations can result from errors in DNA replication, exposure to environmental factors such as radiation or chemicals, or random genetic recombination during sexual reproduction.

What population what determines the kind and size of populations in an area?

The availability of resources such as food, water, shelter, and mates, as well as competition, predation, and environmental conditions, all play a role in determining the kind and size of populations in an area. These factors influence birth rates, death rates, immigration, and emigration within a population.

What factors in the environment might select for beak length and shape within hummingbird populations?

Factors such as flower morphology and availability of nectar sources can influence the selection for beak length and shape in hummingbird populations. Hummingbirds with longer, more curved beaks may be better suited for accessing nectar from specific flower types, giving them a competitive advantage for foraging. Habitat characteristics, such as the presence of flowers with deep corollas, can also drive selection for specific beak traits.

Is there a population requirement for statehood in US?

Yes, for a territory to become a state in the US, it must have a minimum population determined by Congress. This requirement is not specifically defined in the US Constitution but is typically a consideration during the process of admitting a new state.

What southern city had surpassed 200000 in population by the year 1860?

New Orleans, Louisiana had surpassed 200,000 in population by 1860, becoming the most populous city in the southern United States at that time.

Which statement best describes the growth rate of the population in emergency and transitional shelter from 1990 to 2000?

The population in emergency and transitional shelter experienced a moderate growth rate from 1990 to 2000, with an increase in the number of individuals seeking these services. This growth indicates a rising need for such shelters during that decade.

Which disease is more common among agricultural workers as compared to urban population?

Lyme disease is more common among agricultural workers compared to the urban population because they are often exposed to tick habitats while working in fields and forests. Lyme disease is caused by the bite of an infected tick, and agricultural workers are at higher risk due to their outdoor work environments.

What is the population of Ullapool?

3 unless you meant you in my pool which that would make 2! cya at 6 sweet cheeks! ;) xx

Where does la perruche de terre live?

The la perruche de terre is fictional and does not exist in real life.

What is the population of Alaska 2012?

The population of Alaska in 2012 was approximately 731,000 people.

How do you convince your parents to let you have a sleepover when im grounded. im grounded but tomorrows a long weekend and im ungrounded for weekends what do i do?

When you are grounded and you want your parents to change their mind there are some things you can do to win their favor. Start by doing what you have been told to do right away and with a great attitude, donÕt try to bend any rules while being grounded and lastly ask, and if the answer is no keep a great attitude and say you understand, they may surprise you and change their mind.

How many Human Growth Factors are there?

There are multiple human growth factors, with over 50 identified so far. Some common ones include insulin-like growth factor (IGF), epidermal growth factor (EGF), platelet-derived growth factor (PDGF), and fibroblast growth factor (FGF). These growth factors play essential roles in processes like cell growth, proliferation, and differentiation.

Why do mountains areas have low population density?

Mountainous terrain is mostly hard to settle on due to the lack of resources and land for farming etc. needed to seed a population. In addition, transport is often difficult, so a lack of inward migration, jobs and trade and just a few factors.

Is Birmingham the most ethnically diverse city in the UK?

Birmingham is one of the most ethnically diverse cities in the UK, with a diverse population representing a wide range of cultures and backgrounds. It is known for its vibrant multicultural community and hosts various cultural events and celebrations throughout the year.

What was a common condition in rapidly growing cities?

apartment buildings were located near polluting factories- apex

Does natural selection work on preexisting variation in a population?

Yes, natural selection acts on preexisting genetic variation within a population. Individuals with traits that give them a survival or reproductive advantage are more likely to pass on their genes to the next generation, leading to an increase in the frequency of those advantageous genes in the population over time.

How does Bartolome de las Casas characterize the Indians?

Bartolome de las Casas characterized the Indians as peaceful, innocent, and deserving of fair treatment and respect. He believed that they were capable of embracing Christianity and living peacefully alongside the Spanish colonizers.

What city in Greece has a population of 50-100 people per square mile?

One example of a city in Greece that has a population density of 50-100 people per square mile is the city of Nafplio in the Peloponnese region. Nafplio is a historic seaside town known for its picturesque architecture, Venetian fortress, and charming old town. With a relatively low population density, Nafplio offers a peaceful and relaxed atmosphere for residents and visitors alike.

What is di maliparang uwak?

"Di maliparang uwak" means "unruly crow" in English.

What is diversity in telecom?

Diversity is a technic that improves the quality and reliability of a wireless link, using two or more antennas. Each antenna will recieve the same signal and the best, whith the best quality will be kept.