Textbook Question
Cite an example to explain why species interactions are conditional and dynamic.
Ch. 52 - Community Ecology
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 52, Problem 4
Pioneer species tend to have high ________ and lower survivorship.
Verified step by step guidance1
Understand the concept of pioneer species: Pioneer species are the first organisms to colonize a barren or disturbed ecosystem. They play a crucial role in ecological succession by preparing the environment for subsequent species.
Identify the characteristics of pioneer species: These species often have traits such as rapid growth, high reproductive rates, and the ability to thrive in harsh conditions. They are typically opportunistic and can quickly establish themselves in new areas.
Explore the concept of high reproductive rates: Pioneer species tend to produce a large number of offspring to increase the chances of survival in unpredictable environments. This is often referred to as having high fecundity.
Examine the concept of lower survivorship: Despite their high reproductive rates, individual pioneer species may have lower survivorship due to the challenging conditions they face. This means that while many offspring are produced, fewer survive to adulthood.
Connect these concepts to ecological succession: Pioneer species initiate the process of ecological succession, gradually altering the environment to make it more suitable for other species, which often have higher survivorship and lower reproductive rates.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Pioneer Species
Pioneer species are the first organisms to colonize barren or disturbed environments, initiating ecological succession. They are typically hardy and adaptable, capable of surviving in harsh conditions with minimal resources. Their presence helps modify the environment, making it more suitable for subsequent species.
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Biological Species Concept
Ecological Succession
Ecological succession is the process by which the structure of a biological community evolves over time. It begins with pioneer species and progresses through various stages until a stable climax community is established. This process involves changes in species composition, diversity, and ecosystem structure.
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Survivorship
Survivorship refers to the proportion of individuals in a population that survive to a particular age. In the context of pioneer species, they often exhibit lower survivorship due to their strategy of producing many offspring with the expectation that only a few will survive in the harsh initial conditions of a new environment.
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Related Practice
Textbook Question
What is a disturbance? Consider the role of fire in a forest. Compare the consequences of high-frequency versus low-frequency fire, and high severity versus low severity of fire.
Textbook Question
Evaluate this statement: Species want to increase their fitness by helping friendly species and hurting enemy species.
Textbook Question
What is true about inducible defenses? Select True or False for each statement.
T/F They are always present; thus, an individual is always able to defend itself.
T/F They make it impossible for a consumer to launch surprise attacks.
T/F They result from a coevolutionary arms race.
T/F They make efficient use of resources, because they are produced only when needed.
Textbook Question
What is niche differentiation?
a. The evolution of traits that reduce niche overlap and competition
b. Interactions that allow species to occupy their fundamental niche
c. The degree to which the niches of two species overlap
d. The claim that species with the same niche cannot coexist
Textbook Question
The relationship between corals and the photosynthetic protists they harbor is an example of
a. Commensalism.
b. Competition.
c. Consumption.
d. Mutualism
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