Which of the following passages inaccurately describes the evolutionary process? Wings are a highly valuable structure for any species as they increase survivorship and dispersal capabilities. Insect wings are hypothesized to have evolved from dorsal extensions from their thorax that, over generations, were selected for as they helped to absorb solar energy, aiding in thermoregulation. AS mutations continued to accrue, muscles attached to those flaps, making them more motile, and uitimately setting the foundation for wingS. Mammals have three ossicles, or tiny bones, in their middle ear that aid the hearing: the malleus, the incus, and the stapes. The stapes is the oldest of the three bones, having evolved from the pharyngeal arch ll, called the hyoid arch. We know it's the oldest as it is found in tetrapods (the columella) and in some more recently evolved fish. The malleus and incus evolved from bones of their ancestral mammal-like reptiles jaws, the articular and the quadrate bone respectively. Those bones moved into the middle ear as the single dentary bone of mammals evolved. The acacia species Acacia hindsil, which is native to tropical dry forests in Central America, has co-evolved with ants of the genus Pseudomyrmex, ultimately becoming obligate mutualists. The ants depend completely on their host plants for nectar and the food bodies rich in proteins and lipids which they require. The acacia also provides shelter the so-called domatia, in the hollows of its swollen thorns. In return for room and board, the ants become bodyguards, prote cting their host against herbivores and competing plants. Without this protection, the acacia tree would be out competed or completely destroyed by herbivores. Birds today are defined by the presence of teathers. Feathers have many Uses to include thermoregulation, communication, sounds production, and of course, flight. Feathers seem to have evolved trom reptilian scales, and likely originally evolved for the purpose of thermoregulation before flight.

Which of the following passages inaccurately describes the evolutionary process? Wings are a highly valuable structure for any species as they increase survivorship and dispersal capabilities. Insect wings are hypothesized to have evolved from dorsal extensions from their thorax that, over generations, were selected for as they helped to absorb solar energy, aiding in thermoregulation. AS mutations continued to accrue, muscles attached to those flaps, making them more motile, and uitimately setting the foundation for wingS. Mammals have three ossicles, or tiny bones, in their middle ear that aid the hearing: the malleus, the incus, and the stapes. The stapes is the oldest of the three bones, having evolved from the pharyngeal arch ll, called the hyoid arch. We know it's the oldest as it is found in tetrapods (the columella) and in some more recently evolved fish. The malleus and incus evolved from bones of their ancestral mammal-like reptiles jaws, the articular and the quadrate bone respectively. Those bones moved into the middle ear as the single dentary bone of mammals evolved. The acacia species Acacia hindsil, which is native to tropical dry forests in Central America, has co-evolved with ants of the genus Pseudomyrmex, ultimately becoming obligate mutualists. The ants depend completely on their host plants for nectar and the food bodies rich in proteins and lipids which they require. The acacia also provides shelter the so-called domatia, in the hollows of its swollen thorns. In return for room and board, the ants become bodyguards, prote cting their host against herbivores and competing plants. Without this protection, the acacia tree would be out competed or completely destroyed by herbivores. Birds today are defined by the presence of teathers. Feathers have many Uses to include thermoregulation, communication, sounds production, and of course, flight. Feathers seem to have evolved trom reptilian scales, and likely originally evolved for the purpose of thermoregulation before flight.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Which of the following passages inaccurately describes the evolutionary process?

Wings are a highly valuable structure for any species as they increase survivorship and dispersal capabilities. Insect wings are hypothesized to have

evolved from dorsal extensions from their thorax that, over generations, were selected for as they helped to absorb solar energy, aiding in

thermoregulation. AS mutations continued to accrue, muscles attached to those flaps, making them more motile, and uitimately setting the

foundation for wingS.

Mammals have three ossicles, or tiny bones, in their middle ear that aid the hearing: the malleus, the incus, and the stapes. The stapes is the oldest

of the three bones, having evolved from the pharyngeal arch ll, called the hyoid arch. We know it's the oldest as it is found in tetrapods (the

columella) and in some more recently evolved fish. The malleus and incus evolved from bones of their ancestral mammal-like reptiles jaws, the

articular and the quadrate bone respectively. Those bones moved into the middle ear as the single dentary bone of mammals evolved.

The acacia species Acacia hindsil, which is native to tropical dry forests in Central America, has co-evolved with ants of the

genus Pseudomyrmex, ultimately becoming obligate mutualists. The ants depend completely on their host plants for nectar and the food bodies rich in

proteins and lipids which they require. The acacia also provides shelter the so-called domatia, in the hollows of its swollen thorns. In return for room and

board, the ants become bodyguards, prote cting their host against herbivores and competing plants. Without this protection, the acacia tree would be out

competed or completely destroyed by herbivores.

Birds today are defined by the presence of teathers. Feathers have many Uses to include thermoregulation, communication, sounds production,

and of course, flight. Feathers seem to have evolved trom reptilian scales, and likely originally evolved for the purpose of thermoregulation before

flight.

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