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33: The Animal Body - Basic Form and Function - Biology

33: The Animal Body - Basic Form and Function - Biology


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The structures of animals consist of primary tissues that make up more complex organs and organ systems. Homeostasis allows an animal to maintain a balance between its internal and external environments.

  • 33.0: Prelude to The Animal Body
    The structures of animals consist of primary tissues that make up more complex organs and organ systems. Homeostasis allows an animal to maintain a balance between its internal and external environments.
  • 33.1: Animal Form and Function
    Animals vary in form and function. From a sponge to a worm to a goat, an organism has a distinct body plan that limits its size and shape. Animals’ bodies are also designed to interact with their environments, whether in the deep sea, a rainforest canopy, or the desert. Therefore, a large amount of information about the structure of an organism's body (anatomy) and the function of its cells, tissues and organs (physiology) can be learned by studying that organism's environment.
  • 33.2: Animal Primary Tissues
    The tissues of multicellular, complex animals are four primary types: epithelial, connective, muscle, and nervous. Recall that tissues are groups of similar cells group of similar cells carrying out related functions. These tissues combine to form organs—like the skin or kidney—that have specific, specialized functions within the body. Organs are organized into organ systems to perform functions.
  • 33.3: Homeostasis
    Animal organs and organ systems constantly adjust to internal and external changes through a process called homeostasis (“steady state”). These changes might be in the level of glucose or calcium in blood or in external temperatures. Homeostasis means to maintain dynamic equilibrium in the body. It is dynamic because it is constantly adjusting to the changes that the body’s systems encounter. It is equilibrium because body functions are kept within specific ranges.
  • 33.E: The Animal Body - Basic Form and Function (Exercises)

Start Quiz: Biology 33 The Animal Body Basic Form & Function

This NASA image is a composite of several satellite-based views of Earth. To make the whole-Earth image, NASA scientists combine observations of different parts of the planet. (credit: NASA/GSFC/NOAA/USGS)

Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.

Chapter 33: The Animal Body: Basic Form and Function MCQ Multiple Choices Questions Quiz Test Bank

33.1 Animal Form and Function

33.2 Animal Primary Tissues

Name: Biology 33 The Animal Body Basic Form & Function
Download URL: Download MCQ Quiz PDF eBook
Book Size: 20 Pages
Copyright Date: 2015
Language: English US
Categories: Educational Materials

Question: A plane that divides an animal into equal right and left portions is ________.

Question: The symmetry found in animals that move swiftly is ________.

Question: Which type of epithelial cell is found in the urinary bladder?

Question: The pleural cavity is a part of which cavity?

Question: Which type of animal maintains a constant internal body temperature?

Question: Which type of epithelial cell is found in glands?

Question: What term describes the condition of a desert mouse that lowers its metabolic rate and "sleeps" during the hot day?

Question: Which type of connective tissue has the most fibers?

fibrous connective tissue

Question: A plane that divides an animal into dorsal and ventral portions is ________.

Question: Which type of epithelial cell is best adapted to aid diffusion?

Question: Which type of connective tissue has a mineralized different matrix?


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