Life Science, Natural Selection & Evolution, Non-NGSS Articles, NSE 1: Evolution Evidence (HS), NSE 2: Evolution Factors (HS), NSE 5: Population Flux (HS)

Genetic Diversity in Laboratory Rodent Colonies

Inbred or Outbred? Genetic Diversity in Laboratory Rodent Colonies SUMMARY: This study looked at genetic diversity in gerbils used in labs. Due to the fact that labs are small, groups tend to become less diverse overtime; however, the overall diversity of the gerbils can be found if you outbreed them. The significance of inbred or… Continue reading Genetic Diversity in Laboratory Rodent Colonies

Inheritance & Variation of Traits, Inheritance 1: Behavior and Reproduction (MS), Inheritance 2: Genes and Growth (MS), Inheritance 2: Role of DNA (HS), Inheritance 4: Asexual/Sexual (MS), Inheritance 4: Population Genetics (HS), Inheritance 5: DNA Technology (MS), Life Science

Sexual reproduction in parasitic protists

Sexual reproduction and genetic exchange in parasitic protists SUMMARY: Sexual reproduction is often murky in parasites because it’s difficult to observe at times. There are two other ways to determine if an organism has sex: differences in genomes and genes for meiosis. However, in parasites, there are exceptions to this rule in that some organisms… Continue reading Sexual reproduction in parasitic protists

Inheritance 5: DNA Technology (MS), Life Science, Natural Selection & Evolution, NSE 2: Taxonomy (MS)

Relationship between the flagellates and the ciliates

Relationship between the flagellates and the ciliates SUMMARY: This is an article comparing the structural and genomic differences between ciliates and flagellates. Dinoflagellates seem to be the ancestors of ciliates based on similarities in various cell structures and rRNA sequencing. Structures compared include: mitochondria, mechanisms of cilia and flagella, nucleus, and how flagellate and ciliates… Continue reading Relationship between the flagellates and the ciliates

Earth Science, Earth's System, ES 1: Geochemical Cycles (HS), ES 4: Carbon Cycling (HS), HE 3: Stratigraphic Records (MS), History of Earth, Inheritance & Variation of Traits, Inheritance 1: Mitosis (HS), Inheritance 4: Population Genetics (HS), Interdependent Relationships in Ecosystems, IR 1: Ecosystem Interactions (MS), Life Science, M&E 1: Photosynthesis (HS), M&E 1: Photosynthesis (MS), M&E 4: Biogeochemical Cycles (MS), Matter & Energy in Organisms/Ecosystems, Natural Selection & Evolution, NSE 1: Fossil Records (MS), NSE 5: Population Flux (HS)

The evolution of diatoms and their biogeochemical functions

The evolution of diatoms and their biogeochemical functions SUMMARY: This article talks about the evolution, cell structure, and ecological role of diatoms. The first section is an introduction to what diatoms are. The second section talks about the evolution of photosynthesis (from cyanobacteria to eukaryotes with chloroplast). The third section explains the significance of the… Continue reading The evolution of diatoms and their biogeochemical functions

Chemical Reactions, CR 1: Determining Chemical Reactions (MS), Physical Science

Fungal biodegradation and enzymatic modification of lignin

Fungal biodegradation and enzymatic modification of lignin SUMMARY: A summary breaking down and explaining the different types of ligninases found in white-rot and brown-rot fungi. Each section is a description of a particular type of ligninase and its specific function. LESSON COMMENTS: This is a great article if you’re teaching students about redox reactions in… Continue reading Fungal biodegradation and enzymatic modification of lignin

Inheritance & Variation of Traits, Inheritance 1: Mitosis (HS), Inheritance 4: Asexual/Sexual (MS), Life Science

Rotifer Reproduction Mechanism

Genetic exchange among bdelloid rotifers is more likely due to horizontal gene transfer than to meiotic sex SUMMARY: This study looked at the conclusion drawn by another team of researchers that said that bdelloid rotifers possibly used a type of meiosis similar to that found in a genus of plants called Oenothera [1]. Five hundred… Continue reading Rotifer Reproduction Mechanism