Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 2SQ
Identify each of the following reproductive barriers as prezygotic or postzygotic
- a. One lilac species lives on acidic soil, another on basic soil.
- b. Mallard and pintail ducks mate at different times of the year.
- c. Two species of leopard frogs have different mating calls.
- d. Hybrid offspring of two species of jimsonweed always die before reproducing.
- e. Pollen of one kind of pine tree cannot fertilize another kind.
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Which of the following is an example of postzygotic reproductive isolation?a. Sperm of species A dies in the oviduct of species B before fertilization can take place.b. Hybrid zygotes between species A and B are spontaneously aborted early indevelopment.c. The mating seasons of species A and B do not overlap.d. Males of species A are not attracted to the pheromones produced by the females ofspecies B.
1. Sea urchins are broadcast spawners that release clouds of sperm/eggs into the water column. However, the
ability to successfully fertilize the egg by the sperm is restricted to very specific gametic proteins that inhibit
cross species fertilization. This is an example of a
a. Post zygotic barrier b.Habitat isolation c.Mechanical isolation d.Pre zygotic barrier e.Hybrid breakdown
Which of the following traits is more associated with an Opportunistic (Equilibrial) species?
Which of the following traits is more associated with an Opportunistic (Equilibrial) species?
A.
Short maturation time
B.
Producing offspring at many different times over the course of life
C.
Producing a lot of eggs at one time
D.
High juvenile mortality
E.
High level of parental care
Chapter 14 Solutions
Campbell Essential Biology (7th Edition)
Ch. 14 - Distinguish between microevolution, speciation,...Ch. 14 - Identify each of the following reproductive...Ch. 14 - Why is a small, isolated population more likely to...Ch. 14 - Many species of plants and animals adapted to...Ch. 14 - Mass extinctions a. cut the number of species to...Ch. 14 - Prob. 6SQCh. 14 - A paleontologist estimates that when a particular...Ch. 14 - Why are biologists careful to distinguish...Ch. 14 - In the three-domain system, which two domains...Ch. 14 - Prob. 10IMT
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