BIO 5101 C655 Zoology
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Free BIO 5101 C655 Zoology Questions
If a researcher is observing the mating rituals of a bird species in its natural habitat, which branch of zoology are they primarily utilizing, and why is this approach significant?
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Comparative anatomy, because it compares different species' mating structures
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Ethology, because it examines behavior in a natural context
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Animal physiology, because it studies the biological processes involved
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Zoography, because it focuses on the geographic distribution of species
Explanation
Explanation:
By observing mating rituals in the natural habitat, the researcher is utilizing ethology. This approach is significant because it studies animal behavior in the context in which it naturally occurs, allowing scientists to understand instinctive and learned behaviors, social interactions, and reproductive strategies. Studying behavior in its ecological context provides insights into evolutionary adaptations and species survival.
Correct Answer:
Ethology, because it examines behavior in a natural context
Ornithology is the discipline dealing with
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mammals
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flying insects
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birds
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reptiles
Explanation
Explanation:
Ornithology is the branch of zoology that focuses on the study of birds. It examines their anatomy, physiology, behavior, ecology, and evolutionary relationships. By studying birds, ornithologists gain insights into migration patterns, mating behaviors, communication, and adaptations to diverse environments, contributing to conservation efforts and a deeper understanding of avian biodiversity.
Correct Answer:
birds
If a new species is discovered with anatomical features similar to those of two existing species, how might genetics research be utilized to determine the evolutionary relationship among them?
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By comparing the behavioral traits of the new species with those of the existing species.
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By analyzing the DNA sequences of all three species to identify genetic similarities and differences.
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By examining the ecological roles of the species in their respective environments.
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By assessing the geographical distribution of the species.
Explanation
Explanation:
Genetics research can determine evolutionary relationships by analyzing DNA sequences of the new species and comparing them to existing species. Similarities and differences in genetic material reveal common ancestry, divergence times, and evolutionary pathways. This molecular evidence complements anatomical observations, allowing scientists to accurately construct phylogenetic trees and understand the evolutionary connections among species.
Correct Answer:
By analyzing the DNA sequences of all three species to identify genetic similarities and differences.
Explain why entomology is considered significant in the field of zoology
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It helps in understanding mammalian behavior
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It provides insights into the ecological roles and diversity of insects
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It focuses solely on the anatomy of insects
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It is primarily concerned with the classification of vertebrates
Explanation
Explanation:
Entomology, the scientific study of insects, is significant in zoology because insects play vital roles in ecosystems as pollinators, decomposers, and as part of the food chain. Studying insects helps scientists understand their diversity, population dynamics, and ecological functions. Insights gained from entomology can inform agriculture, disease control, and conservation efforts, making it a critical subfield for understanding broader ecological interactions and the health of ecosystems.
Correct Answer:
It provides insights into the ecological roles and diversity of insects
Host-parasite relationship that is characterized by mutual benefit to host and parasite:
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Probiosis
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Evasion
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Parasitism
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Symbiosis
Explanation
Explanation:
Symbiosis refers to a close and long-term interaction between two different species where both benefit from the relationship. In contrast, parasitism benefits the parasite at the expense of the host. Symbiotic relationships can include examples such as pollinators and flowering plants or gut bacteria and their animal hosts, highlighting mutual advantages in survival and reproduction.
Correct Answer:
Symbiosis
What is the primary focus of zoography in the study of animals?
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The classification of animal species
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The study of animal behavior
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The geographic distribution and habitats of animals
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The physiological processes of animals
Explanation
Explanation:
Zoography focuses on the geographic distribution and habitats of animals. It studies where species are found, how they interact with their environment, and the patterns of biodiversity across different regions. This branch of zoology helps scientists understand ecological adaptations, species ranges, migration patterns, and factors that influence the presence and abundance of animals in various habitats.
Correct Answer:
The geographic distribution and habitats of animals
If a mammal is exposed to a cold environment, which physiological response would most likely occur to help maintain its body temperature?
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Increased sweating to cool down the body.
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Vasodilation to increase blood flow to the skin
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Increased metabolic rate to generate more heat.
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Decreased heart rate to conserve energy
Explanation
Explanation:
When a mammal is exposed to cold, its body responds by increasing metabolic rate to generate additional heat. This physiological adaptation produces energy through cellular processes, helping maintain body temperature and preserve homeostasis. Combined with other mechanisms such as shivering and vasoconstriction, increased metabolism allows the mammal to survive and function effectively in cold environments.
Correct Answer:
Increased metabolic rate to generate more heat
What does ethology study in relation to animal behavior?
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The genetic makeup of animals
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The evolutionary history of animals
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The adaptive significance of animal behaviors
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The anatomical structures of animals
Explanation
Explanation:
Ethology studies the adaptive significance of animal behaviors, focusing on how behaviors contribute to survival and reproduction in natural environments. It examines both instinctive and learned behaviors, analyzing how they have evolved to solve ecological challenges. This field links behavioral traits to evolutionary pressures, ecological contexts, and the overall fitness of organisms within their habitats.
Correct Answer:
The adaptive significance of animal behaviors
If a zoologist in the 19th Century discovered a new animal species using a microscope, what type of research could they conduct to further understand its biology?
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They could only study its behavior in the wild
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They could analyze its cellular structure and compare it with known species
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They could classify it based on its size and color
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They could only focus on its habitat and diet
Explanation
Explanation:
Using a microscope, a zoologist could examine the cellular and tissue structures of a newly discovered species. By analyzing its cells, organelles, and microscopic anatomy, they could compare these features with known species to determine relationships, functions, and adaptations. This approach allows scientists to gain a deeper understanding of the organism’s biology, physiology, and evolutionary connections beyond mere observation of behavior or external characteristics.
Correct Answer:
They could analyze its cellular structure and compare it with known species
Which of the following correctly lists the levels of biological organization in ascending order?
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Population, Community, Ecosystem, Organism, Tissue, Cell, Organ, Biosphere
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Cell, Tissue, Organ, Organism, Population, Community, Ecosystem, Biosphere
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Organism, Cell, Tissue, Population, Community, Ecosystem, Organ, Biosphere
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Biosphere, Ecosystem, Community, Population, Organism, Organ, Tissue, Cell
Explanation
Explanation:
The levels of biological organization describe the hierarchy from simplest to most complex. It begins with the cell (basic unit of life), followed by tissues, organs, organisms, populations, communities, ecosystems, and finally the biosphere, which encompasses all living organisms and their environments on Earth. Understanding this hierarchy allows scientists to study biological processes at multiple scales.
Correct Answer:
Cell, Tissue, Organ, Organism, Population, Community, Ecosystem, Biosphere
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