Ap Environmental Strengths And Improvement Opportunities ch 4 Quiz B 100621| 2023/24 Update

  Strengths and Improvement Opportunities Ch 4 Quiz B Course: AP Environmental Science ‡ Instructor: SHANNON ‡ Questions: 30 QUESTION A: I only C: III only D: I and II only E: I, II, an III Which of the following conditions must be present for natural selection to occur in a population? I. There must be enough genetic variability within the population. II. The trait must be heritable III. The trait must not have changed within a population over time A: I only B: II only C: I and II only D: II and III only E: I, II, and III A: differential reproduction B: survival of the strongest C: mutations D: background extinction E: geographic isolation A: skeletal remains in the fossil record B: genetic resistance of some strains of bacteria to antibiotics. C: human opposable thumbs D: plate tectonics E: climatic change A: I only B: II only C: I and III only D: II and III only E: I and II only A: increases the level of carbon dioxide B: changes the earth's climate C: changes the spin of the earth D: decreases soil nutrient richness E: changes magnetic fields and disrupts migration patterns Which of the following can be the result of geographical isolation? A: reproductive isolation B: divergence of gene pools C: speciation D: hybridization and gene swapping E: all of the above. A: radioactivity B: x-rays C: mutagens D: random errors in DNA coding E: greenhouse gasses B: is a combination of genetic diversity and biodiversity C: is the ability of a species to adapt to changing environmental conditions D: is a measure of breadth of niche E: all of the above A: generalist species B: extinct species C: natural species D: competitive species E: specialist species A: tropical rainforest B: temperate forest C: short-grass prairie D: savannah E: boreal forest A: always helpful B: always found in patterns C: very common events D: a source of new genetic material E: always harmful A: Evolution leads to survival of the strongest. B: Evolution leads to survival of the most valuable. C: Organisms develop traits because they need them. D: Fitness is a matter of reproductive success. E: Evolution follows a plan of nature. A: volcanic eruption B: earthquake C: mountain range D: road E: all of these Which of the following is true? A: The higher the species richness, the lower productivity. B: The high the species richness, the lower the sustainability. C: The lower the species richness, the more the productivity. D: The lower the species richness, the more the sustainability. E: The higher the species richness, the more the sustainability. A: the place where the species lives B: how much water the species needs C: how much sunlight the species needs D: how much space the species needs E: temperatures the species can tolerate A: humans B: cockroaches C: pandas D: raccoons E: white-tailed deer A: keystone species are economically beneficial B: keystone species are critical to human survival C: keystone species play critical ecological roles in the community D: keystone species are endangered species E: keystone species are charismatic A: native species B: invasive species C: foundation species D: keystone species E: indicator species A: foundation species B: indicator species C: keystone species D: non-native species E: endemic species A: role B: habitat C: ecological niche D: geographical location E: ecological job A: Endemic species are highly susceptible to extinction B: Endemic species are often generalists C: Endemic species often live on islands D: Endemic species can be outcompeted by non-native invasive species which share a niche. E: Endemic species are often indicator species The process of altering an organism's genetic material in the laboratory through adding deleting, or changing segments of DNA is known as A: genetic engineering B: cloning C: transgenic organisms D: bio-altering E: artificial selection A: 4.5 million years B: 600 million years C: 3.7 billion years D: 500 billion years E: 7 trillion years A: selective breeding B: genetic engineering C: creation of mutagens D: the transportation of non-native species E: reproductive isolation A: natural selection B: adaptability C: genetic drift D: mutation E: scientific theory A: strong opposable thumbs B: physical strength C: upright walking D: complex brain E: All of these have made us successful. A species such as zebra mussels move from one water system to the other on the bottom of boats. Upon arriving, their generalist adaptations allow them to take over niches from local species and modify ecosystems. For this reason, zebra mussels are referred to as A: native species B: invasive species C: foundation species D: keystone species E: indicator species A: endemic species B: endangered species C: specialist species D: native species E: generalist species A: the abundance of individuals within a species B: the number of different species within a community C: the amount of food types a species consumes D: the number of niches a species occupies E: the diversity of species within a community ©2021 ExamSoft Worldwide LLC. All Rights Reserved.