Biology question and answers for November 06, 2023
- Q Anoles are a family of lizards found throughout the Americas. Green anoles, Anolis carolinensis, are native to a specific area of Florida. In this area, the primary territory of green...
- Q Select the correct text in the passage. Which sentence describes the action of natural selection? An ecosystem contains two types of giraffes, some with short necks and others with long...
- Q Which of these provides evidence from developmental biology of a shared evolutionary history? A.Both snakes and dogs have pelvic bones even though they are vestigial structures in the snake. B.Both...
- Q From approximately 240 to 66 million years ago, dinosaurs dominated most of the land habitats on Earth. Around 66 million years ago, most dinosaurs went extinct when an asteroid struck...
- Q Approximately 60% of human genes are also found in fruit flies. About 97.5% of human genes are also found in mice. What does this evidence suggest? Mice have had more...
- Q Scientists once believed that modern-day reptiles were the only living descendants of dinosaurs, which were reptiles. Accumulating fossil evidence has now suggested that the most recent dinosaurs gave rise to...
- Q Researchers have historically considered the human appendix to be a vestigial structure. What evidence, if true, would best disprove this claim? A. The appendix was used to help digest leaves...
- Q The ancestors of modern-day fish were vertebrate chordates. Vertebrate chordates are believed to have evolved from invertebrate chordates, which were similar to modern-day tunicates. What change must have occurred during...
- Q Timothy made the statement that the leg structure of many vertebrate animals can be used to explain their evolutionary ancestry because the number and location of bones is similar.What evidence...
- Q Which of the following statements best describes the difference between artificial and natural selection? a. With artificial selection, humans intentionally aim to create certain phenotypes or genotypes, whereas natural selection...
- Q Some traits that alter the lifespan of a species also modify its ability to reproduce. Over time, these traits are likely to disappear from a population if they increase an...
- Q A new species of insect to a particular area builds very deep nests. In anteaters, having a short tongue has no advantage because the tongue is not long enough to...
- Q A population of aliens, ten with green skin and ten with blue skin, are flying around in the atmosphere of their home planet. While flying around, the door of the...
- Q During the 19th century, elephant seals were hunted to near extinction. In the early part of the 20th century the seals were placed under protection from hunting when is was...
- Q Which of the following is FALSE? Emergency preparation:a) will prevent emergencies from happening.b) leads to a quick and proper response.c) is critical because no workplace is immune from emergencies.d) can...
- Q Determine which situation is an example of interspecific competition.A. A moose and an eagle hunting in the same territory.B. Wolves marking their territory.C. Squirrels hide stashes of acorn nuts from...
- Q Which of the following statements regarding the transition from traditional hunter-gatherer toagricultural societies is FALSE?Novel selection pressures lead to differentiation between agricultural populations and hunter-gathererpopulationsAgricultural societies had reduced dietary varietyAgriculture...
- Q Thousands of years ago many newly formed post-glacial lakes were initially colonized by a small number of a single species of three-spined sticklebacks (originating in the ocean). Today these lakes...
- Q Which of the following is an example of frequency-dependent selection? A. Evolution of mouth-position in the Lake Tanganyika cichlid fish, Perissodus microlepis. B. Evolution of beak size in the soapberry...
- Q In a population of cats there exist two alleles for coat color. The allele 'B' codes for blue fur and is dominant to the allele 'b' which codes for pink...
- Q While traveling in South America, Darwin and others observed marine shell fossils in the Andes Mountains at ~12,000 ft above sea level. He then observed a massive volcanic eruption and...
- Q Which of the following statements is accurate with regard to a phylogeny, as represented by a phylogenetic tree?Shared ancestral characters are excellent traits to use in developing a phylogenyA monophyletic...
- Q What was the purpose of the Missouri Compromise?to maintain an equal number of senators from the North and the Southto allow new states to decide whether they would ban enslavementto...
- Q A large population of zippleflops live in a rainforest on the forest floor. Ten years ago a large strip of the forest was cleared for agriculture which resulted in a...
- Q Which of the following scenarios is NOT an example of adaptive radiation:A few marsupial species travel from South America to Australia, where they inhabit the numerous new niches, resulting in...
- Q Organisms have structural and biochemical _____.both similarities and differencessimilaritiesdifferences
- Q Which of the following is an example of directional selection?The birth weight at which newborn humans are most likely to survive and the average weight of newborn humans are about...
- Q After surviving a bottleneck, a population recovers to the point where it consists of as manyindividuals as it did prior to the bottleneck. Which of the following statements is most...
- Q Which of the following violate the assumptions of the Hardy-Weinberg equilibrium in a statisticallysignificant manner? (select all that apply)gene flowmutationOgenetic driftnon-random mating
- Q Dr. Schmidt talked about Mark Ritchie's study on ground squirrels because it illustrates which of these really well? (Select all that apply)A. Variation influences the struggleB. Heritable variationC. The struggle...
- Q Which of the following are bird-like features of Archaeopteryx?long, bony tallFlat Sternum reduced fingersa wishbone (furcula)3 claws on each wingbelly ribs (gastralia)TeethFeathersLightly built body with hollow bones
- Q What does "descent with modification from a common ancestor" mean?Each species gradually changes over evolutionary time, becoming ever more different from the individuals who livedbefore them.Species living at any given...
- Q A transitional species illustrates the descent with modification from an ancestral to a derived species or group. Which of the following statements MUST be true about a transitional species?The transitional...
- Q A paleontologist is excavating rocks from 375 million years ago (mya) and finds a fish fossil. What is the paleontologist most likely to find in the layer of rocks above...
- Q Maple syrup urine disease (MSUD) is a rare metabolic disease worldwide, however it is quite common in the Mennonite communities in Pennsylvania (US). One of the early members of the...
- Q Adaptations can also sometimes arise abruptly in response to strong environmental selective pressures. As discussed in the lesson, what are 3 examples of adaptations that have arisen abruptly, in comparison...
- Q Which of the following assumptions or observations is NOT part of Darwin's idea of NATURAL SELECTION?a. Populations produce more offspring than their environment can support.b. Organisms compete for limited resources.c....
- Q In the woods there is a population of 1000 rabbits. Fur color in these rabbits is inherited using Mendelian genetics. The fur color gene has two alleles; Black (B) is...
- Q Natural selection is sometimes described as "survival of the fittest." Which of the following beast measures an organism's fitness?a. how many fertile offspring it producesb. how strong it is when...
- Q Which of the following statements regarding natural selection is false?a. Natural selection depends on the local environment at the current time.b. Natural selection and evolutionary change can occur in a...
- Q Which of the following statements would Darwin have disagreed with?a. Descent with modification occurs by natural selection.b. Living with species are derived from earlier life forms.c. Descent with modification occurs...
- Q A population of 1,000 birds exists on a small Pacific island. some of the birds are yellow, a characteristic determined by a recessive allele. The others are Green, characteristic determined...
- Q The image above represents two species of finches discovered on the Galapagos Islands by Charles Darwin. He noted many distinct differences and similarities between the species.Which of the following conclusions...
- Q In peas a gene controls flowers color such that R+purple and r= white. In an isolated pea patch, there are 36 purple- flowering plants and 64 white -flowering plants A)...
- Q Lord Howe Island is a volcanic island in the Tasman Sea that is about 11 km long and 2.8 kmwide. The island has two species of palm trees, Howea forsteriana...
- Q Antibiotics have been used to treat bacterial infections since the 1940s. In recent years,many antibiotics have become less effective as resistance to these treatments rises.Which statement best describes how bacterial...
- Q Monarch butterflies are a type of milkweed butterfly that belongs to the family Nymphalidae. Many butterflies, including monarchs, eat plants that have bitter or poisonous juices, which make them taste...
- Q A structure that species have but no longer use is known as a ...?Homologous structureAnalogous structureVestigial structure
- Q Knowledge of which of the following would provide the best evidence regarding the evolutionary relationships of the species shown in the diagram?Feeding patternsNeck LengthsDNA sequencesCommon Predators
- Q A field of pea plants is in Hardy-Weinburg equilibrium. The yellow pea phenotype is dominant and controlled by the Y allele. The green pea phenotype is recessive and controlled by...
- Q If the green and brown beetles were sprayed with a pesticide and only the brown bugs survived because they are resistant to the pesticide, what would the beetle population eventually...
- Q Where can you find your state-specific Lottery information to sell Lottery tickets and redeem winning Lottery tickets?Barcode and Quick Reference GuideLottery Terminal HandbookLottery vending machineOneWalmart using Handheld/BYOD
- Q Which of the following events likely impacted the survivorship of the 1920's cohort that you studied in this week's lab?the Great Depressionthe invention of vaccines & antibioticsWorld War IIthe Dust...
- Q The Rh(-) allele is recessive to the Rh(+) allele. Given that p+2pq+q=1 and p+q=1, calculate the genotype frequencies form the homozygous dominant, heterozygous, and homozygous recessive alleles. (Again, write only...
- Q Which type of selection occurs when a population experiences a shift in diversity toward the larger organisms?stabilizing selectiondirectional selectiondisruptive selectionadaptive selection
- Q Which statement describes what will most likely occur in the rabbit population due to the introduction of the predator? The rabbits will mutate their genes and express genes that increase...
- Q Discuss three specific problems or injustices that were present in American life during the 1800s andearly 1900s.Explain how reforms proposed during the Progressive Era attempted to address these problems.
- Q Petroleum geologist Glen Penfield was looking for gravity and magnetic anomalies in the Gulf of Mexico when he accidentally located a large meteorite crater.TrueFalse
- Q A biologist is studying jaw size in a population of Atlantic wolf fish (also called sea wolves). She notes that specimens collected in 1922 had a jaw width of 84,...
- Q In situations where there are very closely tied, interacting species, evolution in one species is frequently matched by evolution in the other species. An example of this is that as...
- Q Choose all of the following situations below that are examples of pre-zygotic barriers to reproduction. (Choose all that apply)a. The embryo dies due to a lethal combination of genesb. Incompatibility...
- Q Red touch yellow, kill a fellow.Red touch black, venom lack.This is a short rhyme that was written to make it easy to tell apart two very similar looking North American...
- Q A population of Daphnia in a crystal clear lake (Lake A) has genetic variation that increases melaninproduction and helps with the very high UV light exposure at this particular lake....
- Q Which of the following is not an assumption of the Hardy-Weinberg theorem?a. There is no migration or gene flow from outside of the population.b. There is no mutation in the...
- Q Several decades ago, research into human evolution and the coalescence theory when applied to human genomes resulted in dubbing a woman who lived long ago "Mitochondrial Eve." What does this...
- Q Which of the following events can be the origin of a new gene in a species? (select all that apply)a. The fixation of a new mutation through genetic driftb. A...
- Q Some populations of Tiger Salamander have the ability to not undergo complete metamorphosis. Some individual salamanders will retain tadpole like characteristics like gills throughout their life if they live in...
- Q If chimpanzees and humans are each other's closest relatives, how do you explain the fact that chimpanzees have an opposable hallux (big toe) like gorillas, but unlike humans? (Pick the...
- Q The Dobzhansky Muller model provides an explanation for why hybrids have low fitness. Which description below accurately represents this explanation?a. Two populations diverge at a single locus, such that one...
- Q Imagine a hypothetical population of 100 individuals that is completely isolated from other populations. This population has two alleles (A and a) at a particular locus and there are are...
- Q An individual is heterozygous for a chromosomal inversion that lowers fertility while individuals that are homozygous do not experience lower fertility. Which model of selection best describes fitness variation for...
- Q There are two species of omnivorous crab in the same genus. When these two crab species occur sympatrically one crab will evolve larger claws that are useful for breaking the...
- Q Research looking at the genetic differences in human populations resulted in a calculated Fst value of approximately 0.12. Based on this value, which of the following statements are supported?a. Humans...
- Q Bowhead whales are the only species of large whales that live their entire life in the icy water of the Arctic Ocean. They have a couple adaptations that help them...
- Q Organisms become more complex over time, therefore it isn't possible for an organism to reverse this and become more simplified. This applies to both morphology and genome content.TrueFalse
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