Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 45, Problem 15SQ
Summary Introduction
To match: The each term with their suitable description.
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Which of these is a true statement?a. Habitat loss is the most frequent cause of extinctions today.b. Exotic species are often introduced into ecosystems by accidental transport.c. Climate change may cause many extinctions but also expands the ranges of other species.d. Overexploitation of fisheries could lead to a complete collapse of the fishing industry.e. All of these statements are true.
Match the terms with the most suitable descriptions.___ area effect a. native species with large effect___ pioneer b. first species established in a species new habitat___ indicator c. more species on large islands species than small ones at same distance___ keystone from the source of colonists species d. species that is especially sensitive___ exotic to changes in the environment species e. allows competitors to coexist___ resource f. often outcompete, displace native partitioning species of established community
Chapter 45 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 45 - Testing Biological Control Biological control...Ch. 45 - Testing Biological Control Biological control...Ch. 45 - Testing Biological Control Biological control...Ch. 45 - Prob. 4DAACh. 45 - The type of physical environment in which a...Ch. 45 - Which cannot be a symbiosis? a. mutualism b....Ch. 45 - Prob. 3SQCh. 45 - ______ can lead to resource partitioning. a....Ch. 45 - Prob. 5SQCh. 45 - Lizards that eat flies they catch on the ground...
Ch. 45 - By a currently favoured hypothesis, species...Ch. 45 - With ______, one species evolves to look like...Ch. 45 - Growth of a forest in an abandoned corn field is...Ch. 45 - Prob. 10SQCh. 45 - If you remove a species from a community, the...Ch. 45 - Prob. 12SQCh. 45 - Prob. 13SQCh. 45 - Prob. 14SQCh. 45 - Prob. 15SQCh. 45 - With antibiotic resistance rising, researchers are...Ch. 45 - Flightless birds on islands often have relatives...Ch. 45 - Some attempts to use biological controls prove...
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- Rabbits are important grazers, maintaining some important grassland habitats. If a catastrophe were to reduce rabbit populations what would happen? * a. There would be more grass for the surviving rabbits b. The grassland would be invaded by trees and shrubs c. All of the abovearrow_forwardThe principle of competitive exclusion states that(A) two species cannot coexist in the same habitat.(B) competition between two species always causes extinctionor emigration of one species.(C) two species that have exactly the same niche cannot coexistin a community.(D) two species will stop reproducing until one species leavesthe habitatarrow_forwardIf an ecosystem is greatly altered by the removal of a species, that species is referred to as A. Endangered B. Keyston C. Founder Species D. K-selectedarrow_forward
- When an invasive species alters the community structure it is introduced to, what can the consequence be? a. extinction of economically important species b. reduced predation on some native species c. increased predation on some native species d. all of the abovearrow_forwardConverting a prairie to a farm field is an example of _________. a. overharvesting b. habitat loss c. exotic species d. climate changearrow_forwardPopulation _______________ is the number of individuals of a species per unit of habitat area or volume at a given time. (a) dispersion (b) density (c) survivorship (d) age structure (e) demographicsarrow_forward
- When interspecific competition is weaker than intraspecific competition for both species A & B in the Lotka-Volterra competition model_________________. a. species A wins b. both species coexist c. both species go extinct d. species B winsarrow_forwardCommunities are defined by? A). Species whose ranges overlap B). Species that have the same ranges C). physical features of a defined geographic region D). The area occupied by the species with the largest rangearrow_forwardAs a result of conventional approach to nature a) water,forests,land all are coomodified to maximise profits b)Carbon dioxide emissions are decreased to minimum c)ecological conditions have imroved on our planet d)humans took control of nature completelyarrow_forward
- Species that are the first colonists in a habitat undergoing primary succession a. are usually the fiercest competitors. b. help maintain their habitat constant so their persistence is ensured. c. may change their habitat in a way that favors the invasion of other species. d. must first be successful secondary succession specialists.arrow_forwardNinety-nine percent of all the species that ever existed have gone extinct, a. serving as evidence that current extinction rates are not higher than normal. b. but most of these losses have occurred in the last 400 years. c. which argues that the world just had too many species. d. None of the choices is correct.arrow_forwardBiodiversity hotspotsa. have few populations because the temperature is too hot.b. contain about 20% of Earth’s species even though their area is small.c. are always found in tropical rain forests and coral reefs.d. are sources of species for the ecosystems of the world.e. All except a are correct.arrow_forward
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