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Those are reproductive strategies that identify certain species. R-selected are those that reproduce rapidly and produce a lot of progeny; bacteria are an example. K-selected are those that reproduce very slowly and are slow to mature; humans are a k-selected species. Population density is the number of organisms per unit area. Some organisms don' t like to be crowded, so the density can affect the population size. Also, some limiting factors are density-dependent, like food or living space.
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What is the difference between subspecies and breed in the context of animal classification?
Subspecies refer to distinct populations within a species that have unique characteristics but can still interbreed, while breeds are specific groups of animals within a species that have been selectively bred for certain traits by humans.
What is the role of gene flow in evolution?
Gene flow is the movement of genes between populations, which can introduce new genetic variations and prevent populations from diverging into separate species. It can increase genetic diversity, reduce differences between populations, and potentially lead to the spread of beneficial traits throughout a species. Gene flow is important in evolution as it promotes genetic exchange and maintains the genetic cohesion of a species.
What is gene flow?
Gene flow is genes moving between two populations. the transfer of genes from one gene pool to another two populations transferring genes
How can the characteristics of populations and communities be compared and contrasted while using examples of populations in a community?
A community is an environment where only living things are found while an ecosystem is a geographical area that consists of both the nonliving and living things. A population can be contrasted from a community since a population only consists of living organs of a given species living together in an environment. Population: 1 species living in a specific time and place. Community: all populations in a specific time and place.
What are the differences between the K-selected and r-selected reproductive strategies in terms of their impact on population growth and survival?
K-selected and r-selected reproductive strategies differ in their impact on population growth and survival. K-selected species have fewer offspring but invest more resources in each individual, leading to slower population growth but higher survival rates. In contrast, r-selected species produce many offspring with minimal parental care, resulting in rapid population growth but lower individual survival rates.
What is the difference between r selected and k selected species?
R- Selected species have high population densities while k-selected species have lower population densities
Describe how a population differs from a species?
There is one big difference between a population and a species. Populations do not necessarily have to refer to living things whereas species does.
What is the name given to the difference in characteristic between organism of the same species?
The difference in characteristics between organisms of the same species is called "genetic variation." This variation can arise from mutations, sexual reproduction, and environmental factors, leading to diversity in traits such as size, color, and behavior within the species. Genetic variation is essential for natural selection and the overall adaptability of populations.
Difference between native and non native species?
The difference between native and non-native species is that native species are from that area and non-native species are not from that area.
What is the difference between community?
COMMUNITY: the populations of different species that interact in some way are called a community. POPULATION: all of the individuals of one species that live in the same area at that same time make up a population.
What is the difference between population community?
COMMUNITY: the populations of different species that interact in some way are called a community. POPULATION: all of the individuals of one species that live in the same area at that same time make up a population.
What is the difference between population and community?
COMMUNITY: the populations of different species that interact in some way are called a community. POPULATION: all of the individuals of one species that live in the same area at that same time make up a population.
What is the difference between haploid species and diploid species?
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What are the difference between r selected and k selected species?
R-selected species are those that prioritize high reproductive rates and produce many offspring with little parental investment, thriving in unstable or unpredictable environments. They tend to have shorter lifespans, mature quickly, and are often found in habitats where resources are abundant but unpredictable. In contrast, K-selected species invest more in fewer offspring, providing greater parental care and support, which increases the survival chances of their young. These species are typically found in stable environments where competition for limited resources is high.
What is ecological competition?
The simultaneous demand between two or more species-populations for a resource that is not abundant enough to support all of them at the sizes they would attain in the absence of the other species-populations.
What is the difference between a haploid species and a .?
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What is the difference between a subspecies and a variety?
A subspecies is a taxonomic rank below species, representing populations within a species that have distinct characteristics but can interbreed. A variety is a taxonomic rank below subspecies, representing populations within a subspecies that have minor differences in characteristics.
