geographic isolation mechanism of speciation allopatric speciation species arise in non-overlapping geographic locations sympatric speciation takes place in the same location as the ancestor species binomials identify and describe species using Latin, or Latinized nouns and adjectives, or names of people or places intraspecific competition
· What term describes species which arise in non-overlapping geographic regions? A. intraspecific competition B. interspecific competition C. sympatric speciation D. allopatric speciation E. invasive species
What term describes species which arise in non-overlapping geographic regions? 1. intraspecific competition 1. interspecific competition 1. sympatric speciation 1. allopatric speciation 1. invasive species Accessibility: Keyboard Navigation Bloom’s Level: 1. Remember Chapter: 03 Section: 03.01 Topic: Speciation 30.
sympatric speciation: the process through which new species evolve from a single ancestral species while inhabiting the same geographic region; autopolyploid: having more than two sets of chromosomes, derived from the same species, as a result of redoubling; allopolyploid: having multiple complete sets of chromosomes derived from different species
vicariance: the separation of a group of organisms by a geographic barrier, resulting in differentiation of the original group into new varieties or species. adaptive radiation: the diversification of species into separate forms that each adapt to occupy a specific environmental niche.
A species is a group of individual organisms that interbreed and produce fertile, viable offspring. According to this definition, one species is distinguished from another when, in nature, it is not possible for matings between individuals from each species to produce fertile offspring.
Only heritable traits can evolve. Therefore, reproduction plays a paramount role for genetic change to take root in a population or species. In short, organisms must be able to reproduce with each other to pass new traits to offspring.
The biological definition of species, which works for sexually-reproducing organisms , is a group of actually or potentially interbreeding individuals. There are exceptions to this rule. Many species are similar enough that hybrid offspring are possible and may often occur in nature, but for the majority of species this rule generally holds. In fact, the presence in nature of hybrids between similar species suggests that they may have descended from a single interbreeding species: the speciation process may not yet be completed.
The Biological Species Concept. A species is defined as a group of individuals that, in nature, are able to mate and produce viable, fertile offspring. Learning Objectives. Explain the biological species concept. Key Takeaways.
Members of the same species are similar both in their external appearance and their internal physiology; the closer the relationship between two organisms, the more similar they will be in these features.
species: a group of organsms that, in nature, are capable of mating and producing viable, fertile offspring. hybrid: offspring resulting from cross-breeding different entities, e.g. two different species or two purebred parent strains.
Q. Charles Darwin developed the theory of evolution to describe how living things change over time. Later, as scientists investigated genetics, they. discovered the characteristics Mendel observed. were passed from one generation to the next.
answer choices. There is a struggle for survival that results in the. production of more offspring than can survive. Differences in traits are determined by an organism's immediate needs. Organisms that are better adapted to their environment will have a greater chance of survival and reproduction.
Mutation. =. A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.
A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses. Germ line mutations occur in the eggs and sperm and can be passed on to offspring, while somatic mutations occur in body cells and are not passed on.
There are many reasons for this, but many historians point to three patterns in the fall of civilizations: internal change, external pressure, and environmental collapse. The fall of civilizations is never the result of a single event or pattern.
Populations may grow, due to migration or a period of unusual health. Populations may shrink, due to disease, extreme weather, or other environmental factors. Finally, populations may redefine themselves. As civilizations grow, cities may grow larger and become more culturally distinct from rural, agricultural areas.
Shared communication may include spoken language; alphabets; numeric systems; signs, ideas, and symbols; and illustration and representation. Shared communication allows the infrastructure necessary for technology, trade, cultural exchange, and government to be developed and shared throughout the civilization.
The earliest civilizations developed between 4000 and 3000 BCE, when the rise of agriculture and trade allowed people to have surplus food and economic stability.
At its peak, Great Zimbabwe was inhabited by more than 10,000 people and was part of a trading network that extended from the Maghreb, through the eastern coast of Africa, and as far east as India and China. Great Zimbabwe is a testament to the sophistication and ingenuity of ancestor s of the local Shona people.
Division of Labor. Civilizations are marked by complex divisions of labor (5). This means that different people perform specialized tasks. In a purely agricultural society, members of the community are largely self-sufficient, and can provide food, shelter, and clothing for themselves.
Populations may grow, due to migration or a period of unusual health. Populations may shrink, due to disease, extreme weather, or other environmental factors. Finally, populations may redefine themselves.