ULO C

• Population


  The entire pool from which a statistical sample is drawn from a different group of individuals
• Demographic Transition


  The shift in the history of birth and death rates in society because of the absence of science and technology advancements. There is also an issue on the economic and educational development, particularly in women that may cause the demographic transition.
• Population Density


  The measurement of the given population over volume respondents
• Mortality Rate


  The number of death in a given population over some time
• Sex Ratio


  The ratio of males to females in a population. In most sexually reproducing species, the rate tends to be 1:1.
• Fecundity


  In human demography, it has the potential for the reproduction of a listed population as opposed to a single organism. For the study in the biological community, it is similar to fertility, wherein it is a natural way to produce offspring.
• Demography


  The statistical features of the human population. The demographic analysis can cover whole societies or groups comprising education, nationality, religion, and ethnicity.
• Migration


  The movement of people of different sectors from one country to another with the intention of the new location, new work or employer, or for greener pasture.
• Morbidity


  A general term meaning the occurrence of disease and illness in a population.
• Biodiversity


  The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural world.
• Taxonomy


  The practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types.
• Humans and the environment, in which our daily lives take place, are intricately interwoven. Our activities are having an increasingly dramatic and negative impact on wildlife and ecosystems, endangering not only wild species but also our own survival.
• Making sure that development and expansion take place without causing environmental harm and enriching people's daily lives without depleting the environment is one of the main issues of the twenty-first century.
• The world population now stands at around 7.8 billion inhabitants, having reached 7 billion milestones in 2011. Demographers expect the 8 billion breakthroughs in 2023, nine (9) billion by 2037, and projected as high as te (10) billion in the year 2056.
• The human population is so huge that percentages are too crude a measure, so it is common to state these rates in terms of the number per 1,000, referring to the crude rate.
• A population is defined as a group of individuals of the same species living and interbreeding within a given area. Members of a population often rely on the same resources, are subject to similar environmental constraints, and depend on the availability of other members to persist over time.
• The rise in the number of people on Earth is referred to as population growth. The majority of human history saw a relatively steady population size. Energy, food, water, and medical care, however, became more accessible and dependable as a result of innovation and industrialization. As a result, the human population has swiftly expanded and is still growing, having a significant impact on the planet's ecosystems and climate.
• The expansion of the human population has a range of effects on the Earth system, including: increasing the number of environmental resources being extracted, increased use of fossil fuels, increased use of freshwater, increasing environmental effects of ecology, fishing and hunting being increased, increasing the planned or unintentional import and export of supplies, and the spread of illnesses.
• The vast variety of life on Earth is referred to as biodiversity. It can be applied more precisely to all the species found in a certain area or environment. Around 8.7 million species of plants and animals are thought to exist, according to scientists. However, to far, only about 1.2 million species, the most of which are insects, have been recognized and described.
• The world has certain regions with greater biodiversity than others, including parts of Mexico, South Africa, Brazil, the southwestern United States, and Madagascar. Hotspots are places with exceptionally high biodiversity levels. Hotspots are also home to endemic species, which can only be found in a single place.
• For the sake of survival and the preservation of their ecosystems, all species on Earth cooperate.
• Ecosystems that support the greatest biodiversity can have species that are too small to perceive with the naked eye, such as bacteria and other microscopic creatures
• The world has certain regions with greater biodiversity than others, including parts of Mexico, South Africa, Brazil, the southwestern United States, and Madagascar
• Hotspots


  Places with exceptionally high biodiversity levels, also home to endemic species which can only be found in a single place
• For the sake of survival and the preservation of their ecosystems

  All species on Earth cooperate
• Humans benefit greatly from many species, especially in the areas of food, clothing, and medicine
• A large portion of the Earth's biodiversity is under danger due to human consumption and other activities that disrupt or even destroy ecosystems
• Threats to biodiversity


  • Population expansion
  • Pollution
  • Climate change
• The rate of extinction of species has increased at an unheard-of rate as a result of these threats
• Some scientists predict that during the next century, half of all species on Earth will become extinct
• Conservation measures are required to maintain biodiversity and safeguard endangered species and their habitats
• Taxonomy


  The branch of biology that classifies all living things
• Binomial nomenclature


  The system of giving each type of organism a genus and species name
• Taxonomic hierarchy


  • Domain
  • Kingdom
  • Phylum
  • Class
  • Order
  • Family
  • Genus
  • Species
• Taxon (plural: taxa)


  A group of organisms that are classified as a unit, can be specific or general
• Many mnemonic devices can be used to remember the order of the taxonomic hierarchy, such as "Dear King Philip Came Over For Good Spaghetti"