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When determining population size using direct observation every individual in a population is counted?
Yes, in direct observation, every individual in the population is counted to determine the population size accurately. This method requires physically counting or seeing each member of the population. It is usually appropriate for smaller populations or groups that can be easily observed and counted.
What does a bell-shaped population pyramid indicate?
A bell-shaped population pyramid typically indicates a stable population with balanced birth and death rates across ages. This shape is characteristic of a developed country with low birth and death rates, resulting in a more even distribution of population across age groups.
What is it called when a population diverges and becomes reproductively isolated?
Speciation
What does population structure mean?
Structure refers to 'shape' of population. The population is divided into groups by age ('cohorts'). These might be 0-5 year olds, 46-50 year olds etc... Typically they are displayed on a population pyramid. The percentage of the total population is worked out & placed within these age categories. The structure then describes the shape of these groups within the population. A young population will have a high birth rate & a large percentage of young people. An ageing population will have a larger percentage of older people, low birth rate & high life expectancy.
This population pyramid shows Nigeria's population in 2000 What can you tell from this image?
The country was rapidly growing. The birthrate was rapidly increasing.
When a species is made up of different smaller groups and each of those smaller groups is known as?
When a species is made up of different smaller groups, each of those groups is typically referred to as a population. Populations can exhibit unique characteristics and adaptations based on their specific environmental conditions and genetic makeup.
When a species is made up of different smaller groups, each of those smaller groups is known as a?
species
Diffrent ways of living developed by native American groups?
different ways of living developed by native American groups
When members of two separated groups of a population can no longer interbreed the two groups are members of different?
when members of two separated groups of a population can no longer interbreed, the two groups are members of different what
Show the sizes of different age groups in a population?
Population pyramids
What show the sizes of different age groups in a population?
Population pyramid.
What does show the sizes of different age groups in a population?
Population pyramids
When a species is made up of different groups each of those smaller groups is known as a?
Subspecies is the term.
How many different ethnic groups make up Brazil's population?
a few groups
What are different ways of living developed by Native American groups?
naturl resources
What are Thailand's racial or ethnic groups?
Thailand's population is predominantly made up of Thai people, with smaller ethnic minorities including Chinese, Malay, and indigenous groups such as Karen and Hmong. There is also a significant population of expatriates from various countries living in Thailand.
When a population is split in smaller groups?
When a population is split into smaller groups, it can lead to genetic drift and reduced genetic diversity within each group. This can increase the likelihood of inbreeding and decrease the overall fitness of the population. It may also result in population fragmentation and isolation, making it harder for individuals to find mates and sustain gene flow.
