BIO 5101 C655 Zoology
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Free BIO 5101 C655 Zoology Questions
Explain how ecological pressures can lead to changes in animal behavior over time.
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They create competition for resources, leading to aggressive behaviors.
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They cause animals to migrate to new habitats without any behavioral changes
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They influence the development of traits that enhance survival and reproduction.
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They have no significant impact on animal behavior
Explanation
Explanation:
Ecological pressures, such as predation, competition for resources, and environmental changes, can shape animal behavior over generations. Behaviors that improve survival and reproductive success are naturally selected, leading to adaptive behavioral traits. For example, foraging strategies, mating rituals, or social behaviors may evolve in response to these pressures, demonstrating how ecological factors drive behavioral adaptation and contribute to species evolution.
Correct Answer:
They influence the development of traits that enhance survival and reproduction
What is the primary focus of herpetology?
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The study of mammals
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The study of amphibians and reptiles
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The study of birds
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The study of fish
Explanation
Explanation:
Herpetology is the branch of zoology that focuses on the study of amphibians (such as frogs and salamanders) and reptiles (such as snakes and lizards). Herpetologists study their anatomy, physiology, behavior, ecology, and evolutionary relationships. This field helps scientists understand the diversity, adaptation, and conservation needs of these cold-blooded vertebrates.
Correct Answer:
The study of amphibians and reptiles
Which of the following is an important feature of the scientific method?
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A good hypothesis does not necessarily need to be tested.
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If research results are not conclusive, the opinion of experts should be relied upon.
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Anyone should be able to repeat an experiment.
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Once demonstrated, conclusions cannot be changed.
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A researcher's methods should not be described once desired results have been obtained.
Explanation
Explanation:
A core feature of the scientific method is reproducibility, meaning anyone should be able to repeat an experiment to verify results. This ensures reliability, reduces bias, and allows the scientific community to confirm findings. Transparent methods and repeatable experiments are fundamental for building trust and advancing scientific knowledge systematically.
Correct Answer:
Anyone should be able to repeat an experiment.
What is the significance of studying embryonic development in zoology?
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It helps in understanding animal behavior
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It provides insights into the growth and development processes of various animal species
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It focuses on the classification of animals.
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It examines the evolutionary relationships among species
Explanation
Explanation:
Studying embryonic development in zoology provides critical insights into the growth, formation, and differentiation of tissues and organs in various animal species. By analyzing developmental stages, scientists can understand how genetic and environmental factors influence morphology and physiology. This knowledge also helps identify homologous structures and evolutionary relationships, making embryology a vital tool in both developmental biology and evolutionary studies.
Correct Answer:
It provides insights into the growth and development processes of various animal species.
In general, the main distinction between dispersal and migration is that:
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Migration is long-distance, whereas dispersal is short-distance
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Dispersal is only done by young animal, whereas migration can be young or old
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Migration is a circumnavigation, whereas dispersal is tangent to the natal site
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Dispersal is a one-way movement, whereas migration is a repeated movement
Explanation
Explanation:
Dispersal refers to the one-way movement of an organism from its birthplace to a new location, often to reduce competition, inbreeding, or resource scarcity. Migration, in contrast, involves repeated, often seasonal, movements between specific areas for feeding, breeding, or climate adaptation. This distinction helps ecologists understand patterns of population distribution, gene flow, and resource utilization.
Correct Answer:
Dispersal is a one-way movement, whereas migration is a repeated movement
What is the primary function of flagella in protozoa?
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Reproduction
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Locomotion
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Photosynthesis
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Nutrient absorption
Explanation
Explanation:
Flagella are whip-like structures that enable protozoa to move through their environment. They provide locomotion by propelling the cell, allowing it to seek food, escape predators, and interact with its surroundings. This movement is crucial for survival and plays a key role in feeding, reproduction, and habitat exploration in unicellular organisms.
Correct Answer:
Locomotion
What is the typical body temperature that mammals maintain for homeostasis?
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35°C (95°F)
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37°C (98.6°F)
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39°C (102.2°F)
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40°C (104°F)
Explanation
Explanation:
Mammals maintain an average body temperature of approximately 37°C (98.6°F) to ensure optimal functioning of physiological processes. This regulated temperature supports enzymatic reactions, metabolic activity, and homeostatic balance. Maintaining a stable internal temperature allows mammals to adapt to environmental changes while keeping vital organs and systems functioning efficiently.
Correct Answer:
37°C (98.6°F)
Ethology refers to?
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The ethical behaviors of trainers.
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Behavioral acts done with no obvious reason
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The treatment of behavior problems.
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The study of animal behavior
Explanation
Explanation:
Ethology is the scientific study of animal behavior, particularly in natural conditions. It focuses on understanding how animals interact with their environment, communicate, reproduce, and survive. By observing behaviors in natural settings, ethologists can identify patterns, instincts, and learned behaviors, providing insights into adaptation, evolution, and species survival strategies. This field is foundational for zoology, ecology, and conservation biology.
Correct Answer:
The study of animal behavior.
What is the primary focus of mammalogy?
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The study of reptiles
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The study of mammals
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The study of birds
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The study of amphibians
Explanation
Explanation:
Mammalogy is the branch of zoology that focuses on the study of mammals. It examines their anatomy, physiology, behavior, ecology, and evolutionary relationships. By studying mammals, mammalogists gain insights into their adaptation strategies, social structures, reproductive biology, and interactions with the environment, contributing to conservation efforts and understanding of vertebrate diversity.
Correct Answer:
The study of mammals
Zoology is considered a science because:
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it is a theory
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it is the study of animals
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it is a hypothesis
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researchers employ the scientific method
Explanation
Explanation:
Zoology is considered a science because it employs the scientific method to study and understand animals. Researchers make observations, form hypotheses, conduct experiments, and analyze data to draw evidence-based conclusions. This systematic and methodical approach distinguishes scientific inquiry from casual observation or informal study.
Correct Answer:
researchers employ the scientific method
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