Sympatric Guías de estudio, Notas de estudios & Resúmenes

BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+. What are the properties of life? - correct answer *Cells and organization *Energy use and metabolism *Environmental response *Regulation and homeostasis *Growth and development *Reproduction *Biological evolution When was earth formed? - correct answer 4.55 billion years ago When did life on earth first appear? - correct answer 3.5 billion years ago What are the evolutionary mechanisms? - correct answer *Nonrando...

he world, in the US - 5500, 965 Number of threatened/endangered mammal species - 1000 What separates mammals from birds, reptiles, and amphibians - Mammals have hair, mammary glands, and three ear bones. What distinguishes birds from mammals, reptiles, and amphibians - Feathers Number of species of birds in the world, in North America, in the US - 9900, 2000, 925 Number of threatened/endangered bird species - over 1000 Number of reptile species in the world - 8200 Number of reptile speci...

Natural selection - ANSWER Process that determines which individuals will pass on their genes to the next generation Evolution - ANSWER the changes that we see in the genes and characteristics displayed by successive generations of a population Speciation - ANSWER the production of a new species from a previously existing species Allopatric speciation - ANSWER separated by land Sympatric speciation - ANSWER speciation in the same area; exploiting unused resources causes them to becom...

BIO 202 - Exam 1 Questions And Answers 100% Ac What are the properties of life? - ANSWER-*Cells and organization *Energy use and metabolism *Environmental response *Regulation and homeostasis *Growth and development *Reproduction *Biological evolution When was earth formed? - ANSWER-4.55 billion years ago When did life on earth first appear? - ANSWER-3.5 billion years ago What are the evolutionary mechanisms? - ANSWER-*Nonrandom mating *Migration *Genetic drift *Natural select...

AP BIOLOGY MIDTERM EXAM which of the following principles is NOT part of Darwin's original theory of evolution by natural selection? A. Evolution is a gradual process that occurs over long periods of time. B. Variation occurs among individuals in a population. C. Mutations are the ultimate source of genetic variation. D. More individuals are born than will survive. C If a population is ini Hardy Weinberg equilibrium then: A. it is evolving to adapt to environmental changes B. the f...

Monophyletic Group - Answer-includes all the descendants of a common ancestor, and its considered a natural grouping of organisms based on a shared ancestry. Paraphyletic Group - Answer-some (not all) of descendants of a common ancestor Polyphyletic Group - Answer-organisms from distinct lineages based on shared characters, but no common ancestor Homologies - Answer-similarities based on shared ancestry Analogies - Answer-similarities based on independent adaptations Synapomorphies - Answ...

BIO 1150 Exam 1 - Questions with Verified Answers Postzygotic barrier A reproductive barrier that prevents hybrid zygotes produced by two different species from developing into viable, fertile adults Morphological species concept A definition of species in terms of measurable anatomical criteria. Ex. body shape and other structures Ecological species concept A definition of species in terms of ecological niche, the sum of how members of the species interact with the nonliving and living parts o...

NRES 101 Midterm 100% VERIFIED SOLUTIONS 2023//2024 T/F: Species diversity increases as you approach the equator - ANSWER True What are possible reasons why more species occur near the equator - ANSWER - More time without geological disruptions (e.g., glaciers) - More niches - Climatic stability - Greater biological productivity What is speciation - ANSWER The formation of 2 species from 1 ancestral species What factors lead to speciation - ANSWER - natural selection - sexual selec...

What is micro-evolution? - Changes in allele frequencies within populations, often associated with adaptation, can be measured from one generation to the next "small changes" What is macro-evolution? - Major changes in the history of life, origin of new species, generates biological diversity "big changes" What is a species? - a group of populations whose members have the potential to interbreed with one another in nature to produce fertile offspring What is allopatric speciation?...

What is micro-evolution? Changes in allele frequencies within populations, often associated with adaptation, can be measured from one generation to the next "small changes" What is macro-evolution? Major changes in the history of life, origin of new species, generates biological diversity "big changes" What is a species? a group of populations whose members have the potential to interbreed with one another in nature to produce fertile offspring What is allopatric speciation? Speci...