1-20 of 833 Search Results for

sexual-selection

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
The American Biology Teacher. 2017; 792135–143 doi: https://doi.org/10.1525/abt.2017.79.2.135
Published: 01 February 2017
...Xana Sá-Pinto; Pedro Cardia; Rita Campos Sexual selection plays an important role in species evolution and speciation, and is fundamental to understanding of biological evolution. In the last decades, research on sexual selection helped understand its causes and impacts in species evolution, sexual...
Journal Articles
The American Biology Teacher. 2015; 772128–133 doi: https://doi.org/10.1525/abt.2015.77.2.8
Published: 01 February 2015
... disciplines. We offer a set of activities, implemented successfully at both the secondary and postsecondary levels, that involve students in guided inquiry toward creation and progressive revision of a robust model of selection that accounts for both natural and sexual selection and their complicated...
Journal Articles
The American Biology Teacher. 2007; 696351–358 doi: https://doi.org/10.2307/4452177
Published: 01 August 2007
...Seth W. Coleman; Jeffrey S. Jensen Copyright National Association of Biology Teachers References Andersson, M. (1982). Female choice selects for extreme tail length in a widowbird. Nature, 299, 818-820. Andersson 818 299 Nature 1982 Andersson, M. (1994). Sexual Selection...
Journal Articles
The American Biology Teacher. 2003; 656436–443 doi: https://doi.org/10.2307/4451532
Published: 01 August 2003
... Teacher, 61, 266-274. Lawson 266 61 The American Biology Teacher 1999 McLain, D.K. (1982). Density dependent sexual selection and positive phenotypic assortative mating in natural popula- tions of the soldier beetle, Chauliognathus pennsylvanicus. Evolution, 36, 1227-1235 10.2307/2408155...
Journal Articles
The American Biology Teacher. 1983; 456310–319 doi: https://doi.org/10.2307/4447713
Published: 01 October 1983
... .1979. Sexual selection and sexual conflict. In Blum, M.S., and Blum, N.A. (eds.) Sexual selection and reproductive competition in insects. N.Y.: Academic Press. Parker Sexual selection and sexual conflict Sexual selection and reproductive competition in insects 1979 PROKOPY, R.J. 1980...
Images
In the activity that models <b>sexual</b> <b>selection</b> by mate competitions, particip...
Published: 01 February 2017
Figure 3. In the activity that models sexual selection by mate competitions, participants use balloons of two distinct sizes (A) to fight other participants for the opportunity to mate with individuals of the limiting sex (represented by the masks used in the mate choice activity; Figure 2 Figure 3. In the activity that models sexual selection by mate competitions, participants use balloons of two distinct sizes (A) to fight other participants for the opportunity to mate with individuals of the limiting sex (represented by the masks used in the mate choice activity; Figure 2 More
Images
Example data table: <b>sexual</b> <b>selection</b> pressure.   Figure 3. Example data tab...
Published: 01 February 2015
Figure 3. Example data table: sexual selection pressure. Figure 3. Example data table: sexual selection pressure. Figure 3. Example data table: sexual selection pressure. Figure 3. Example data table: sexual selection pressure. More
Journal Articles
The American Biology Teacher. 2018; 808561–569 doi: https://doi.org/10.1525/abt.2018.80.8.561
Published: 01 October 2018
... understanding of basic entomological concepts. After a short background of the most important findings and methods currently used in evo-devo, we outline five case vignettes that span a variety of insect groups and entomological topics, including morphology and sexual selection. Figure 3. Relationship...
Journal Articles
The American Biology Teacher. 2014; 76153–56 doi: https://doi.org/10.1525/abt.2014.76.1.11
Published: 01 January 2014
... easily used as a basis for sequel activities that will emphasize the implications of genetic variation on natural and sexual selection. Figure 1. Modeling meiosis during the first activity. (A) Display of what students get as chromosomes of a germ cell: 2 sets of duplicated homologous chromosomes...
Images
(A)  Start the activity of mate choice with a population of masks with four...
Published: 01 February 2017
. (Masks are available at https://goo.gl/bI0lNU.) (B) When participants represent the limiting sex, sexual selection will cause the increase in frequency of the preferred male phenotype through generations. Photo credits: Pedro Cardia. . (Masks are available at https://goo.gl/bI0lNU.) (B) When participants represent the limiting sex, sexual selection will cause the increase in frequency of the preferred male phenotype through generations. Photo credits: Pedro Cardia. More
Journal Articles
The American Biology Teacher. 2016; 783233–240 doi: https://doi.org/10.1525/abt.2016.78.3.233
Published: 01 March 2016
...Sehoya Cotner; Sadie Hebert We describe a multiweek laboratory exercise that engages students in class-based research related to sexual reproduction, selection, orientation, and operational sex ratios. Specifically, students discuss contemporary research on sex in the bean beetle, Callosobruchus...
Journal Articles
The American Biology Teacher. 2012; 749648–651 doi: https://doi.org/10.1525/abt.2012.74.9.9
Published: 01 November 2012
...Dani Moore; C. Tate Holbrook; Melissa G. Meadows; Lisa A. Taylor In species that reproduce sexually, an individual’s fitness depends on its ability to secure a mate (or mates). Although both males and females are selected to maximize their reproductive output, the mating strategies of the two sexes...
Images
Relationship between (log) body size and the (log) length of three differen...
Published: 01 October 2018
relationships. Genital size changes very little with increasing body size (hypoallometry), whereas horns exhibit hyperallometric growth, which is commonly found among sexually selected secondary characteristics. Figure 3. Relationship between (log) body size and the (log) length of three different traits relationships. Genital size changes very little with increasing body size (hypoallometry), whereas horns exhibit hyperallometric growth, which is commonly found among sexually selected secondary characteristics. Figure 3. Relationship between (log) body size and the (log) length of three different traits More
Journal Articles
The American Biology Teacher. 2020; 822104–112 doi: https://doi.org/10.1525/abt.2020.82.2.104
Published: 01 February 2020
... possible because populations possess genetic variation. Genetic variation is generated continuously by random mutations and sexual reproduction. Phenotypes considered favorable at one point can be considered detrimental at any other given point. Question 3. Would this type of natural selection work if...
Journal Articles
The American Biology Teacher. 2020; 822114–119 doi: https://doi.org/10.1525/abt.2020.82.2.114
Published: 01 February 2020
.... & Okamoto, S. ( 2006 ). Public acceptance of evolution . Science , 313 , 765 – 766 . Misevic, D. , Ofria, C. & Lenski, R.E. ( 2006 ). Sexual reproduction reshapes the genetic architecture of digital organisms . Proceedings of the Royal Society B , 273 , 457 – 464 . Nehm, R.H...
Journal Articles
The American Biology Teacher. 2019; 819610–617 doi: https://doi.org/10.1525/abt.2019.81.9.610
Published: 01 December 2019
... lesson are listed in Table 1 . Table 1. Concept list for meiosis lesson. Concept Code a Description HS-M 1 In sexual reproduction, a specialized type of cell division referred to as “meiosis” is responsible for the production of sex cells – such as gametes in animals (sperm and...
Journal Articles
The American Biology Teacher. 2019; 819626–635 doi: https://doi.org/10.1525/abt.2019.81.9.626
Published: 01 December 2019
... inheritance and include parent/adult plants AND Describe that a seed is “carrier” of traits from a parent plant and/or pass coded info to the next generation OR Mention sexual reproduction or gametes OR Mention plants have male and females structures List 4 or more characteristics and its traits similarities...
Journal Articles
The American Biology Teacher. 2019; 817492–501 doi: https://doi.org/10.1525/abt.2019.81.7.492
Published: 01 September 2019
... California, Arizona, western Texas, New Mexico, and Nevada. Although thousands of people (and animals) are diagnosed with the disease each year, the public is not well informed about the “danger that is lurking in the dust.” Schools traditionally focus on sexually transmitted diseases in the classroom...
Includes: Supplementary data
Journal Articles
The American Biology Teacher. 2019; 816417–422 doi: https://doi.org/10.1525/abt.2019.81.6.417
Published: 01 August 2019
...-Repository/AERA-Online-Paper-Repository/Owner/635669 . Bouwma-Gearhart, J. & Bouwma, A. ( 2015 ). Inquiry through modeling: exploring the tensions between natural & sexual selection using crickets . American Biology Teacher , 77 , 128 – 133 . Bouwma‐Gearhart, J. , Stewart, J...
Includes: Supplementary data
Journal Articles
The American Biology Teacher. 2019; 816442–448 doi: https://doi.org/10.1525/abt.2019.81.6.442
Published: 01 August 2019
... content, but the genes used (expressed) by the cell may be regulated in different ways. Not all DNA codes for a protein; some segments of DNA are involved in regulatory or structural functions, and some have no as-yet-known function. (HS-LS3-1) LS3.B: Variation of Traits In sexual reproduction...
Includes: Supplementary data