Biology question and answers for November 06, 2023
- Q In a population the offspring produced tend to be 60% female and 40% male. This bias in sex ratio was investigated and it was found that an allele of a...
- Q 9. Biogenesis was supported by...A. RediB. SpallanzaniC. PasteurD. All of the aboveE. None of the above
- Q What happened after plants first became able to live on land?A. Photosynthesis evolved as a way to produce energy.B. They adapted by developing cuticles.C. Adaptive radiation spread them into many...
- Q Imagine that you wanted to know if speciation is more rapid in plant groups pollinated by bees or hummingbirds. To do this, you identified 20 genera of angiosperms that contained...
- Q The Brazil nut tree, Bertholletia excels (n-17), is native to tropical rain forests of South America. It is a hardwood tree that can grow to over 50 meters tall, a...
- Q Yeasts are members of which of the following?AscomycotaBasidiomycotaimperfect fungiChytridiomycotaZygomycota
- Q How did he address the ongoing slave revolt in St. Domingue (later Haiti)? A. He issued a peace treaty to the leadership of St. Domingue. B. He sent French troops...
- Q Discuss an adaptation of animals you learned about this week, or previously knew about (please limit it to invertebrates), that you think wouldbe a useful adaptation for humans to "harness"...
- Q According to the concept of punctuated equilibrium, the "sudden" appearance of anew species in the fossil record means thatspeciation occurred rapidly in geologic time.the species is now extinct.the species will...
- Q Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J.monosperma) have overlapping ranges. If pollen grains (which contain sperm cells)from one species are unable to germinate and make pollen tubes on...
- Q Over evolutionary time, many cave-dwelling organisms have lost their eyes.Tapeworms have lost their digestive systems. Whales have lost their hind limbs. Howcan natural selection account for these losses?Under particular circumstances...
- Q To apply parsimony to constructing a phylogenetic tree,base phylogenetic trees only on the fossil record, as this provides the simplestexplanation for evolutionchoose the tree that assumes all evolutionary changes are...
- Q Charles Darwin was the first person to proposethat population growth can outpace the growth of food resources.a mechanism for evolution that was supported by evidence.that evolution occurs.a mechanism for how...
- Q The upper forelimbs of humans and bats have fairly similar skeletal structures,whereas the corresponding bones in whales have very different shapes andproportions. However, genetic data suggest that all three kinds...
- Q Why do we say that populations evolve but not individuals? What is actually changing when a population evolves?
- Q Given a population that contains genetic variation, what is the correct sequence ofthe following events, under the influence of natural selection?1. Well-adapted individuals leave more offspring than do poorly adapted...
- Q Which of the following statements would be accurate?YOU MAY SELECT MORE THAN ONE ANSWER.Evolution is not taking place whenever all of the conditions for the Hardy-Weinberg equilibrium are met.Evolution only...
- Q Of the following anatomical structures, which is homologous to the bones in the wing of a bat?chitinous struts in the wing of a butterflybones in the flipper of a whalecartilage...
- Q In order for a population to evolve,natural selection must promote mutations to fit organisms' DNAall members of the population must have identical genotypesits members must have heritable genetic variationall members...
- Q Which of the following processes can result in the evolution of populations?genetic driftgene flownon-random matingnatural selectionall of the above
- Q It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that island forms...
- Q In seedcracker finches from Cameroon, small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming hard, what type of...
- Q Dog breeders maintain the purity of breeds by keeping dogs of different breeds apart when they are fertile. This kind of isolation is most similar to which of the following...
- Q You are confronted with a box of preserved grasshoppers of various species that are new to science and have not been described. Your assignment is to separate them into species....
- Q To begin, design a solar model that meets the given criteria:projected lifespan of the sun based on its initial masslocation of nuclear fusion within the sun based on its star...
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