Population density is calculated by dividing the total population of a specific area by the total land area of that area.
The formula for population density is:
Population density = Total population / Total land area
To calculate population density, you need to know the total population and the total land area of the area you are studying. For example, let's say we want to calculate the population density of a city with a population of 500,000 people and a land area of 100 square kilometers.
Using the formula, we can calculate the population density as follows:
Population density = 500,000 / 100 = 5,000 people per square kilometer
This means that in the city we are studying, there are approximately 5,000 people living in each square kilometer of land.
Population density is an important measure that helps us understand how crowded or sparse a particular area is in terms of population. It is often used to compare different regions or to analyze population trends over time. By calculating population density, we can gain insights into the distribution of people and understand the impact of population growth on a specific area.
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Answer:
It's A
Explanation: took the test
B- HUMAN EMISSIONS
C- PLANT RESPIRATION
D- PHOTOSYNTHESIS
Answer:
The response for this question: How is it that a code consisting of only four letters (A, T, G, C) can contain instructions for all the different parts of an organism and accout for the diversity of organisms on this planet, would be: These letters, known as nucleotide bases, when paired together, can each code for a wide variety of amino acids, the building blocks of proteins. It is proteins that carry out the instructions that are written in the genetic code and each amino acid in a protein can be coded for by more than one of the organized nucleotide pairings.
Therefore, during the process of translation, meaning DNA-RNA-protein, although the nucleotide pairings are pretty basic and limited, each of them, when interpreted by ribosomes and their accompanying tRNA, will call in different types of amino acids and build different types of proteins, depending on the need, the purpose and the location where these proteins will have to act.
This is how from a limited group of DNA nucleotide pairings, it is possible to have so many differences not only within the same organism, but among all living organisms that exist.
Answer: is odor
Explanation: As individuals age, their ability to identify and remember different types of odors declines due to changes in the olfactory system and the brain. Research consistently supports this phenomenon.
The dependent variable is the location of food.
The dependent variable in the given question is location of food. The question is asking whether kangaroos can remember the location of food in the absence of odor. The location of food is what is being measured and observed in the experiment, while the odor and kangaroos are referred to as independent variables.
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Answer: True
Explanation:
Unnatural occurences are those catastrophic events induced by humans which can exert drastic impact over the ecosystem. These may include deforestation, forest fire, intentional explosion, and others. This will result in loss of many species due to damage caused to the non-living physical environment.
a unit made up of several compounds
a unit made of several atoms
a unit made of several molecules
The term monomer refers to:
a unit made up of several atoms
Explanation:
A monomer is a molecule that "can support polymerization whereby providing constitutional units to the fundamental structure of a macromolecule". Large quantities of monomers combine to form polymers in a method called polymerization.
There are four major factors that affect population growth:
Birth rate: The number of births per 1000 people in a year. This has a positive effect on population growth. This makes sense, as people being born adds to the population.
Death rate: The number of deaths per 1000 people. This has a negative effect on population growth. People dying lowers the total population.
Immigration: The number of people entering the population. This has a positive effect on population growth. People entering the population increases it.
Emigration: The number of people leaving the population. This has a negative effect on population growth. People leaving the population decreases it.
Birth rates, death rates, immigration, and emigration are the factors that greatly affect population growth.
The four factors that affect population growth are birth rates, death rates, immigration, and emigration. If the birth rate is higher than death rate, population tends to increase while on the other hand, if death rate is higher than birth rate then the population tends to decrease.
If more immigration and emigration occurs in a country then its population increases whereas decrease in population of that country from which they are migrated so we can conclude that birth rates, death rates, immigration, and emigration are the factors that greatly affect population growth.
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