Life history adaptations of ___________ populations are characterized by an early age of first reproduction and short maturation time and life span. (two words, often hyphenated)
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Life history adaptations of ___________ populations are characterized by an early age of first reproduction and short maturation time and life span. (two words, often hyphenated)
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- An organism introduced into an environment that they did not originate in is known as a(n) ___ ___.The evolutionary trend toward multicellularity is best demonstrated by comparing various members of the _________._____________ is the evolutionary process by which populations evolve to become distinct species. Reproductive isolation, the end of ___________ between populations, is always part of the process by which sexually reproducing species achieve and maintain separate identities.
- The Case of the Sexually Arrested Orangutans Name Part I- A Call from Anne It was late in the work day and I was rushing around trying to get some new chimps settled in their habitat when the phone rang. "Hi Lisa, it's Anne and I've got a favor to ask. I know you have some captive male orangutans at the National Zoo and I'm hoping you'll help me collect some growth, development, and behavior data on these animals. I've enlisted the cooperation of curators at other zoos in the U.S. to help me assemble this database on juvenile male orangutan development. "As you may know," Anne continued, “when juvenile males are housed together, some begin to develop the characteristic secondary sex characteristics at age four, resulting in the massive body size, large cheek flanges and laryngeal sac, while others stay juvenile looking but grow to nearly adult size. I thỉnk the difference in development might be due to variation in the effects of captive stress, mostly from the presence of other adult…Figure attached, you don't need any of the textbook words to figure out the answer so don't worry about the font size. A student in a course on intelligent design theory claims that the graph in part (a) shows that losing the ability to respire actually is adaptive for yeast cells living in small populations. Please read the incomplete sentence that appears immediately below, assess as possible completions the lowercase-Roman-numeral-labelled statements that follow, and click each uppercase-letter-labelled response that is presented below and completes accurately the sentence. An astute student in an evolution course would respond that i. the graph in part (a) shows that selection among mitochondria within yeast cells can lead to fixation for traits that decrease mean fitness for that yeast population. ii. the student in the course on intelligent design is wrong; the yeast cells in the small population group retained completely the ability to respire, as they otherwise would have…The effect of time (hours) on the mortality (%) of three species of Chironomus larvae exposed to oxygen-free water at a temperature of 20 °C. The table shows the results of five separate experiments conducted on each species of midge.(Species are fictitious) Question 1.3. Plot a graph showing the average percent survival of each midge species (all three species on one graph) against time in oxygen-free water. Label the axes and provide a clear legend.
- (Following Question 25) If a mutation occurred such that A2 allele appeared in this population. The new allele has the effect of reproducing one year earlier but at the cost of not being able to reproduce after age 6. Can A2 allele be selected for and subsequently fixed in the population? Yes, because A2 allele exhibits the antagonistic pleiotropic effect. Yes, because carriers of the A2 allele have a higher expected lifetime reproductive success than the individuals carrying the A1 allele. No, because carriers of the A2 allele live fast, therefore they will always die young. No, because the carriers of the A2 allele have a lower expected lifetime reproductive success. Therefore, the A2 allele is a deleterious allele. Not enough information in this problem that would allow us to make an informed prediction.Which of the following set of characteristics would best described a K-selected species (e.g. an elephant)? early reproduction with many, small offspring and short-lived early reproduction with few, large offspring and short-lived late reproduction with few, large offspring and long-lived O late reproduction with many, small offspring and long-livedNeed help In order for a new variant to become dominant in the population, it must have a(n) _________________ that results allows it to be more successful. Group of answer choices Hormone replication expression mutation