Species and speciation Samenvattingen, Aantekeningen en Examens

What is the origin of the Earth? - Answer-Formed out of a solar nebula What are the origins of Life? - Answer-Archaea - the oldest origin of life on Earth What is kinetic energy? - Answer-The energy of motion What is heat energy? - Answer-Energy created by particles of matter rubbing together What is density? - Answer-A measurement of the amount of matter in a given volume of something. (mass per unit volume) What is convection? - Answer-Transfer of heat through currents caused by differen...

Test bank for Ecology: The Economy of Nature 9e 9th Edition by Rick Relyea. ISBN-13: 5542 Full Chapters test bank included Chapter 1 An Introduction to Ecology 1.1 Ecological Systems Exist in A Hierarchy of Organization Individuals Populations Communities Ecosystems The Landscape The Biosphere 1.2 Physical and Biological Principles Govern Ecological Systems Conservation of Matter and Energy Dynamic Steady States Evolution 1.3 Different Organisms Play Diverse Roles in Ecological...

Formation of a new species is called - ️️speciation As a mechanism of evolution, natural selection can be most closely equated with - ️️unequal reproductive success What is NOT an example of natural selection? - ️️On a tree, leaves that grow in the shade are larger than those that grow in the sun Which of the following pairs of anatomical structures are homologous? - ️️bat wing and human arm A gene pool is - ️️All of the alleles in a population The smallest bio...

Paciulli FINAL BIO 181 NCSU, Exam Questions and answers, 100% Accurate. VERIFIED. To the west of Wallace's Line in Southeast Asia are organisms related to Asiatic species. To the east of the line, there is a mixture of species of Asian and Australian origin. This is an example of: - -biogeography Two members of the initial Amish migration to Pennsylvania in 1744 shared the recessive allele for Ellis-van Creveld syndrome, which results in a long narrow chest and shortening of the limbs. ...

BSC 1005 Final Exam - Questions and Answers Under the biological species concept, what criterion is used to assign populations of organisms to the same biological species? being able to interbreed and produce fertile offspring Speciation requires ______. genetic isolation The wing of a penguin is ______ the wing of a butterfly. analogous to Homology is evidence of ______. Common ancestry Feathers in birds appear to have first evolved for insulation but later conveyed a new advantage in helping ...

Molecular phylogeny correct answers It compares the structure of a particular molecule from different organisms to discover their degree of evolutionary relation. Somatic cell correct answers A cell in an organism which isn't a gamete. DNA correct answers Deoxyribose nucleic acid. Carries the genetic information for cells and some viruses. mRNA correct answers Messenger ribose nucleic acid (single stranded). The product of transcription. Speciation correct answers The process throug...

Allopatry - Vicariance - Chance separation (earthquake, etc.) Allopatry- Dispersal - A population moves to a new habitat, colonizes it, and forms a new population Although both are possible, which of the following situations is more probable regarding the evolutionary history of a species (i or ii): i. Common characteristics are usually shared with other closely related organisms ii. Common traits evolved several times throughout history and have nothing to do with shared ancestry - i? Ap...

Why might Pasteur's experiment be inconclusive? - The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - To ensure that results were not achieved by random chance What is the definition of a replicate? - Unit that shares a common thing (4 mice in one cage = 1 replicate) What does the law of succession suggest? - As one species disap...

T/F: Species diversity increases as you approach the equator correct answer: True What are possible reasons why more species occur near the equator correct answer: - More time without geological disruptions (e.g., glaciers) - More niches - Climatic stability - Greater biological productivity What is speciation correct answer: The formation of two species from one ancestral species What factors lead to speciation correct answer: - natural selection - sexual selection - genetic d...

environmental pressures correct answers the factors (abiotic or biotic) in an ecosystem which put pressure on an organism's survival and increase competition (whether inter-species or intra-species) biodiversity correct answers a combination of the species diversity, genetic diversity and habitat diversity of an ecosystem variation correct answers the differences, either physical or genetic, between individuals of a species simpson's diversity index correct answers a measure of divers...