Webster City Schools - Biology: Recent Episodes
Science Department
Biology is the study of life, and this course examines all aspects of life. Throughout the semester, students will study cell structure and function, how energy is obtained, cell reproduction and ecology, DNA and genetics. Students will also learn about the nature of science by formulating hypotheses, designing and conducting experiments, and relating science and technology to societal issues.
This podcast explains how and why organisms are classified. How different types of systems classify organisms and show relationships.
This podcast explains the processof protein production by ribosomes from the DNA instructions. Describes RNA, Transcription, and Translation.
This podcast shows how certain traits are controlled by the multiple alleles and genes and sex linked traits. Discusses environmental influences over genetics.
This podcast will show you how the chromosome number is reduced to half during the formation of gametes.
This podcast will look at the function of ATP. It will also look at how plant cells use photosynthesis in the production of sugar and how the mitochondria use the sugar to produce ATP for the cell.
Review of Osmosis and Diffusion. Explains the process of active, passive transport and facilitated diffusion in a cell.
Function and structure of the plasma membrane. Movement of material by diffusion and osmosis across the plasma membrane
Podcast discusses the three parts of the cell cycle, interphase, mitosis, and cytokinesis. Also covers the four stages of mitosis.
Podcast covers biodiversity. Why it is important and how are humans threatening the biodiversity of the planet?
Podcast covers the trends in human population growth and the usage of age structure graphs to show the different types of population growth.
Podcast covers how populations are distributed and the concepts of carrying capacity and limiting factors.
Podcast covers how nutrients move through an ecosystem and why those nutrients are important.
Podcast covers the flow of energy through an ecosystem, food chains, food webs and pyramids
Podcast covers the levels of biological organization and how the abiotic and biotic factors interact