bio 182 final NAU Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.

. Double fertilization: - Occurs in angiosperms. The pollen produces 2 sperm cells. One sperm cell fertilizes the egg to form a zygote. The other sperm cell fertilizes the 2 polar nuclei to form a 3n endosperm. Which of the following explains why it's rare to have a higher trophic level than quaternary consumers? - Energy is lost between the trophic levels due to waste. Which of the following dispersion patterns could result from the distribution of resources in an environment? - Clumped and random Which of the following groups of plants show both homospory and heterospory? - Seedless Vascular Plants What two factors determine terrestrial biomes? - Temperature and precipitation What is the most important characteristic of the tundra? - It is the only biome that contains permafrost Before winter, brown bears gain weight to prepare for hibernation. This is considered - An acclimation and an anatomical response When studying population ecology, all of the following affect an organism's schedule of reproduction and survival except: - Death rate Which area of an ocean would you expect to find cyanobacteria, a photosynthesizing organism? - Photic zoneWhich of the following types of species are slow-developing, but have high competitive ability? - K-selected It is possible for exponential growth to continue indefinitely - False Which of the following explains why an intraspecific exploitation competitive relationship would lead to a negative effect on both individuals involved? - The individuals are indirectly competing with each other over resources. All of the following levels of ecology are correctly paired with their definitions except: - Community ecology - studies how individuals in a community acclimate to their environments Which biome is considered one of the most productive areas in the world and contains a mix of freshwater and saltwater? - Estuary When studying the interaction between Staphylococcus aureus and Staphylococcus epidermidis in the human microbiota, what level of ecology are we focusing on? - Population ecology When studying how Staphylococcus aureus and Staphylococcus epidermidis contribute to the energy flow of the human microbiota, what level of ecology are we looking at? - Ecosystem ecology Decreasing the predators in an area would ______ herbivores and _______ primary producers. - . Increase; decrease You discover a new species of plant. You notice that members of this species spread their seeds by wind. Which type of survivorship curve would you expect this species to follow? - Type IIIWhich category of organisms is least likely to become a pioneer species of succession? - Kselected A fire wipes out an entire population of deciduous trees on the Eastern coast of the United States. Which type of growth model would you expect this population to follow in the immediate years after the disaster? - Exponential (J-curve) growth A fire wipes out an entire population of deciduous trees on the Eastern coast of the United States. Which type of growth model would you expect this population to follow as time goes on? - Logistic (S-curve) growth . Carrying capacity is the same for every species. - False Which of the following is not a factor that affects loss of biodiversity? - Emigration Secondary metabolites are a part of which plant defense? - Chemical Mycorrhizae exemplify which type of interaction? - Mutualism Which of the following is true about rivers? - . Rivers are more nutrient rich downstream than they are upstream. Which of the following is/are true about type III individuals? (Choose all that apply) - They follow an opportunistic lifestyle. They have high juvenile mortality rates. Which of the following interactions would be considered to have a positive impact on one individual and a negative impact on the other? - A pathogenic bacterium infects a population of cattleWhat kind of dispersion pattern does a map of US population density display? - Clumped All of the following are studied in population ecology except: - Trophic levels Which two combined factors would most rapidly increase a population size? - High birth rates; high immigration rates Which of the following would not be a density-dependent factor? (Choose all that apply) - Drought Fire In which countries is population increasing? - Developing The biotic environment of an organism includes all except: - The temperature's effect on an organism's environment Which of the following explains the relationship between ecosystem functionality and species diversity? - As species diversity increases, ecosystem functionality increases Which of the following processes contribute to the recycling of carbon? - Cellular respiration and photosynthesis The World Wildlife fund displays a giant panda as its official logo, which makes it highly recognizable. What is the giant panda considered? - A flagship species