Biology Biology Practice Problems Solutions Library

Species Solutions Library

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39 solutions

Species

Q. What are the two types of speciation?

Solved • May 19, 2020

Species

Q. Define, in a single sentence, the four types of species concept

Solved • May 19, 2020

Species

Q. Define five types of pre-zygotic and three types of post-zygotic barriers

Solved • May 19, 2020

Species

Q. Under the biological species concept, a species is a group of organisms thata. are physically similarb. share recent common ancestorc. live togethe...

Solved • May 19, 2020

Species

Q. Which of the following would a biologist describe as microevolution a. formation of new speciesb. extinction of speciesc. dramatic biological chang...

Solved • May 19, 2020

Species

Q. Which butterfly has changed gradually but significantly from its ancestor through microevolutionary events that were not part of a speciation event...

Solved • May 19, 2020

Species

Q.  The emergence of a new plant species over a brief period of time, followed by a long period of little change, is consistent with what pattern of s...

Solved • May 19, 2020

Species

Q. When plants undergo allopatric speciation, an initial reproductive barrier is often A) polyploidy B) gametic isolation C) temporal isolation D) pol...

Solved • May 19, 2020

Species

Q. The geographic isolation of a population from other members of the species and the subsequent evolution of reproductive barriers between it and the...

Solved • May 19, 2020

Species

Q. The Monterey pine and the Bishop's pine inhabit some of the same areas of central California. The Monterey pine releases pollen in February, while ...

Solved • May 19, 2020

Species

Q. Two species that occasionally mate and produce zygotes, but which have incompatible genes that prevent the resulting embryo from developing, are se...

Solved • May 19, 2020

Species

Q. Which of the reproductive barriers separates two flowering plant species that could interbreed except that one has a deep flower tube and is pollin...

Solved • May 19, 2020

Species

Q. Which of the reproductive barriers separates a pair of species that could interbreed except that one mates in spring and the other in fall?

Solved • May 19, 2020

Species

Q. Two populations of organisms belong to the same biological species when they A) can't mate with each other, because mating occurs at different time...

Solved • May 19, 2020

Species

Q. Which of the following statements regarding the definition of species is false? A) The ecological species concept identifies species in terms of th...

Solved • May 19, 2020

Species

Q. Speciation, or the formation of new species, is A) a form of microevolution. B) responsible for the diversity of life. C) necessary for natural sel...

Solved • May 19, 2020

Species

Q. Which of the following best demonstrates the unity among all living organisms? a. Descent with modification b. Related DNA sequences and common gen...

Solved • May 19, 2020

Species

Q. Which of the following best describes evolution? a. It is the tendency for species to remain unchanged over successive generations. b. It is the ch...

Solved • May 19, 2020

Species

Q. Which of the following is a trunk-crown ecomorph?

Solved • May 12, 2020

Species

Q. Which of the following is an example of an adaptation in anole lizards? a) small toe pads in the anole lizards that live in the tree canopy b) long...

Solved • Apr 23, 2020

Species

Q. Connecting the Concepts: MacroevolutionThe process of macroevolution refers to major evolutionary changes over time, through which new types of org...

Solved • Apr 22, 2020

Species

Q. In many species, both prezygotic and postzygotic barriers can cause reproductive isolation. Which of the following best describes how behavioral is...

Solved • Sep 13, 2018

Species

Q. Which of the following would most likely cause sympatric speciation?A. geographic isolationB. hybrid fusionC. physical barriersD. sexual selection

Solved • Sep 13, 2018

Species

Q. What is the difference between allopatric speciation and dispersive speciation?

Solved • Jul 16, 2018

Species

Q. Describe the Biological Species concept, Morphospecies concept, and Phylogenetic species concept.

Solved • Jul 16, 2018

Species

Q. Name three different "Groups" of organisms that are considered eukaryotic microorganisms?

Solved • Jul 13, 2018

Species

Q. Describe the similarities and differences between the terms allopatric speciation, parapatric speciation and sympatric speciation.

Solved • Jul 2, 2018

Species

Q. Describe an example (real or hypothetical) that illustrates allopatric speciation. How does gene flow between populations affect the chances of spe...

Solved • Jun 26, 2018

Species

Q. Discuss in some detail three prezygotic barriers preventing two separate species from producing offspring.

Solved • Jun 20, 2018

Species

Q. What are the main characteristics that differentiate and unite Bacteria (Eubacteria), Archaea, Protists and Fungi. 

Solved • Jun 8, 2018

Species

Q. A species of bird in the forest have specialized beaks for pecking through nuts and eating them. The birds with the larger beaks are able to crack ...

Solved • Nov 14, 2017

Species

Q. The ostrich and the emu look very similar and live in similar habitats, however they are not very closely related. This is an example of _______.a....

Solved • Oct 13, 2017

Species

Q. Many insects have a “lock and key” type of genitalia in which the male reproductive structures will only fit into the reproductive structures of fe...

Solved • Aug 3, 2017

Species

Q. What type of evolutionary event typically follows a mass extinctiona. sympatric speciationb. adaptive radiationc. hybrid infertilityd. stabilizing ...

Solved • Aug 3, 2017

Species

Q. The biological species concept states that species evolve toa. become morphologically differentb. have separate evolutionary pathwaysc. have separa...

Solved • Aug 3, 2017

Species

Q. Which of the following is an example of something that could lead to allopatric speciation?a. colonization of an islandb. sexual selectionc. allopo...

Solved • Aug 3, 2017

Species

Q. Which of the following is an example of a pre-zygotic isolating mechanisma. hybrid sterilityb. hybrid inviabiltyc. gametic isolationd. hybrid break...

Solved • Aug 3, 2017

Species

Q. One problem with the biological species concept is thata. it can’t be applied to organisms without sexual reproductionb. it can’t be applied to spe...

Solved • Aug 3, 2017

Species

Q. ____________ speciation is controversial because the effects of _______________ may prevent the population from splitting in two.a. Allopatric, nat...

Solved • Aug 3, 2017