Textbook Question
Which protostome phyla successfully made the transition from water to land? Select True or False for each phylum.
T/FMollusca
T/FArthropoda
T/FAnnelida
T/FNematoda
Ch. 31 - Protostome Animals
Freeman8th EditionBiological ScienceISBN: 9780138276263
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Table of contents
- Ch. 1 - Biology: The Study of Life13
- Ch. 2 - Water and Carbon: The Chemical Basis of Life14
- Ch.3 - Protein Structure and Function10
- Ch.4 - Nucleic Acids and the RNA World10
- Ch. 5 - An Introduction to Carbohydrates10
- Ch. 6 - Lipids, Membranes, and the First Cells11
- Ch. 7 - Inside the Cell10
- Ch. 8 - Energy and Enzymes: An Introduction to Metabolism10
- Ch. 9 - Cellular Respiration and Fermentation11
- Ch. 10 - Photosynthesis12
- Ch. 11 - Cell-Cell Interactions12
- Ch. 12 - The Cell Cycle8
- Ch. 13 - Meiosis12
- Ch. 14 - Mendel and the Gene23
- Ch. 15 - DNA and the Gene: Synthesis and Repair15
- Ch. 16 - How Genes Work16
- Ch. 17 - Transcription, RNA Processing, and Translation16
- Ch. 18 - Control of Gene Expression in Bacteria16
- Ch. 19 - Control of Gene Expression in Eukaryotes12
- Ch. 20 - The Molecular Revolution: Biotechnology, Genomics, and New Frontiers15
- Ch. 21 - Genes, Development, and Evolution12
- Ch. 22 - Evolution by Natural Selection16
- Ch. 23 - Evolutionary Processes13
- Ch. 24 - Speciation15
- Ch. 25 - Phylogenies and the History of Life13
- Ch. 26 - Bacteria and Archaea15
- Ch. 27 - Diversification of Eukaryotes16
- Ch. 28 - Green Algae and Land Plants16
- Ch. 29 - Fungi18
- Ch. 30 - An Introduction to Animals9
- Ch. 31 - Protostome Animals15
- Ch. 32 - Deuterostome Animals17
- Ch. 33 - Viruses16
- Ch. 34 - Plant Form and Function16
- Ch. 35 - Water and Sugar Transport in Plants16
- Ch. 36 - Plant Nutrition13
- Ch. 37 - Plant Sensory Systems, Signals, and Responses16
- Ch. 38 - Flowering Plant Reproduction and Development16
- Ch. 39 - Animal Form and Function17
- Ch. 40 - Water and Electrolyte Balance in Animals16
- Ch. 41 - Animal Nutrition16
- Ch. 42 - Gas Exchange and Circulation16
- Ch. 43 - Animal Nervous Systems16
- Ch. 44 - Animal Sensory Systems16
- Ch. 45 - Animal Movement11
- Ch. 46 - Chemical Signals in Animals16
- Ch. 47 - Animal Reproduction and Development16
- Ch. 48 - The Immune System in Animals16
- Ch. 49 - An Introduction to Ecology15
- Ch. 50 - Behavioral Ecology16
- Ch. 51 - Population Ecology16
- Ch. 52 - Community Ecology20
- Ch. 53 - Ecosystems and Global Ecology17
- Ch. 54 - Biodiversity and Conservation Ecology18
Chapter 31, Problem 7
Pose a hypothesis to explain why the evolution of the wing was such an important event in the evolution of insects.
Verified step by step guidance1
Step 1: Understand the concept of evolution. Evolution is a process that results in changes in the inherited characteristics of species over successive generations. It's driven by natural selection, where traits that enhance survival and reproduction become more common in successive generations.
Step 2: Consider the role of wings in insects. Wings allow insects to fly, which can aid in finding food, escaping predators, and dispersing to new habitats. This can increase their survival and reproduction rates.
Step 3: Formulate a hypothesis. Based on the above understanding, a possible hypothesis could be: 'The evolution of the wing in insects was a significant event because it provided them with the ability to fly. This ability to fly could have increased their survival and reproduction rates by allowing them to find food more efficiently, escape from predators more effectively, and disperse to new habitats more easily.'
Step 4: Consider how you could test this hypothesis. This could involve comparing the survival and reproduction rates of winged and wingless insects, or studying the fossil record to see if the appearance of wings in insects coincided with an increase in their diversity or abundance.
Step 5: Remember that a hypothesis is a proposed explanation for a phenomenon, and it must be testable and falsifiable. It's not a fact, but a starting point for further investigation.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Evolutionary Adaptation
Evolutionary adaptation refers to the process by which species develop traits that enhance their survival and reproduction in specific environments. The evolution of wings in insects is a prime example, as it allowed for improved mobility, access to new habitats, and evasion from predators, significantly impacting their ecological success.
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History of Evolutionary Theory Example 1
Flight Mechanics
Flight mechanics involves the principles governing how organisms achieve and maintain flight. Insects utilize various wing structures and flapping techniques to generate lift and thrust, which not only facilitates movement but also enables behaviors such as foraging and mating, contributing to their evolutionary fitness.
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Ecological Diversification
Ecological diversification is the process by which species exploit different ecological niches, leading to increased biodiversity. The development of wings in insects opened up numerous ecological opportunities, allowing them to colonize diverse environments, adapt to various food sources, and evolve into a wide range of forms and functions.
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Related Practice
Textbook Question
Propose an explanation for why annelids and arthropods were thought to be closely related, before phylogenetic analyses in the late 1990s.
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Textbook Question
Use your understanding of insect evolution to predict two adaptations for terrestrial living that occurred in spiders.
Textbook Question
Which of these choices is an example of homology (similarity due to common ancestry)?
a. Suspension feeding in sponges and clams
b. Ectoparasite lifestyle in aphids and ticks
c. Cnidocytes (stinging cells) in jellyfish and sea anemones
d. Radial symmetry in cnidarians and echinoderms
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Textbook Question
Evaluate this statement: Evolution is said to occur when new traits accumulate over time, increasing complexity.
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