mamarriana

Genocastase

Science EN ↓ 41 episodes

A biology guide to help IB students (or anyone interested) to study and delve into biology. I enjoy talking about genetics, ecology, animal physiology, plant morphology, and a bit of metabolism. Hope you enjoy listening to this podcast as much as I enjoy recording it !!

Author

mamarriana

Category

Science

Podcast website

podcasters.spotify.com

Latest episode

Aug 14, 2024

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Episodes

Cardiovascular system 14.08.2024

Hey guys!! Today we’ll be discussing: 1. Separate Circulation for the Lungs (Pulmonary Circulation) 2. Description of Pulmonary Circulation 3. Heart Structure: Chambers and Valves 4. Initiation of the Heartbeat by the Sinoatrial Node 5. Role of the Sinoatrial Node as a Pacemaker 6. Propagation of Electrical Signal from the Sinoatrial Node 7. Pressure Changes During the Cardiac Cycle

Circulatory system 09.08.2024

Hey guys! Today we’ll be discussing Here are the topics: 1. Blood Flow and Pressure in Arteries 2. Structure and Function of Arteries 3. Capillary Function and Material Exchange 4. Veins and Blood Return 5. Identification of Blood Vessels 6. William Harvey's Discovery of Blood Circulation Visit notion! ;)) https://prickly-casquette-c39.notion.site/Circulatory-System-ce9b0ba447cb4a88a83b654abba7a4f...

Nutrient absorption 08.08.2024

Hey guys!! Today we’ll be discussing 1. Tissue Layers of the Small Intestine 2. Enzyme Digestion of Macromolecules 3. Pancreatic Enzyme Secretion 4. Peristalsis and Food Movement 5. Villi and Absorption Surface Area 6. Nutrient Absorption in the Small Intestine 7. Membrane Transport of Nutrients 8. Starch Digestion and Transport to the Liver 9. Dialysis Tubing as a Model for Intestinal Absorption...

Digestive system anatomy 07.08.2024

Hey guys!! Today we’ll discuss 
 ​ Digestive System Overview ​ Tissue Layers and Muscle Contraction in the Small Intestine ​ Pancreatic Enzymes and Digestion ​ Structure and Function of Villi ​ Absorption Mechanisms in the Small Intestine 
 Visit notion!! 
 https://prickly-casquette-c39.notion.site/Digestive-System-and-Nutrient-Absorption-38f816729a43424380c06e399887ef47?pvs=4

Cladograms 06.08.2024

Hey guys! Today we’ll discuss the structure and function of cladograms :) Visit notion https://prickly-casquette-c39.notion.site/Understanding-Cladograms-0eec6ed008c34e109285daffc468e5ae?pvs=4

Diversity of organisms 05.08.2024

Hey guys! Today we’ll be discussing 1. Definition of a Clade 2. Natural Classification System 3. Evidence for Clades 4. Molecular Clock 5. Reclassification of Species 6. Features of Bryophyta, Filicinophyta, Coniferophyta, and Angiospermophyta 7. Features of Animal Phyla

Taxonomy 02.08.2024

Hey guy! Today we will discuss: 1. Universal Acceptance of the Binomial System 2. Development of the Binomial System at International Congresses 3. Description of the Binomial System of Nomenclature 4. Naming New Species Using the Binomial System 5. Hierarchical Classification of Species by Taxonomists Visit notion! https://prickly-casquette-c39.notion.site/Biological-Classification-and-Taxonomy-9...

Artificial selection and homologous structure 01.08.2024

Hey guys! Today we will discuss on: 1. How Selective Breeding of Domesticated Animals Shows Artificial Selection Can Cause Evolution 2. Evolution of Homologous Structures by Adaptive Radiation 3. Comparison of the Pentadactyl Limb in Mammals, Birds, Amphibians, and Reptile 4. Gradual Divergence and Speciation 5. Continuous Variation and Gradual Divergence 6. Development of Melanistic Insects in Po...

Natural selection 31.07.2024

Hey guys!! Today we will be discussing How Natural Selection Increases the Frequency of Adapted Characteristics Mechanism of Natural Selection Fitness and Reproductive Success Selective pressure A case study on evolution The fossil record Visit my Notion! https://prickly-casquette-c39.notion.site/Natural-Selection-7ab2914551dd4a399e4ec06d6da52393?pvs=4

Evolutionary speciation 30.07.2024

Hey guys! Here are the topics discussed: 1. Variation 2. Development of Melanistic Insects in Polluted Areas 3. Role of Variation in Natural Selection Visit notion! https://prickly-casquette-c39.notion.site/Population-Divergence-962c555c888440279ee0852b708019a7?pvs=4

Evolution intro 29.07.2024

Helloo guys!! Here are the topics discussed: 1. Mechanisms of Evolution 2. Fossil Record as Evidence for Evolution 3. Selective Breeding and Artificial Selection 4. Homologous Structures and Adaptive Radiation 5. Pentadactyl Limb Comparison 6. Conclusion Visit notion! https://prickly-casquette-c39.notion.site/Evolution-and-Heritable-Characteristics-e46523bbf0d741168e73d3b615e7274f?pvs=4

Energy pyramids 28.07.2024

Hey guy! Here are the topics discussed: 1. Heat Loss from Ecosystems 2. Impact of Energy Losses Between Trophic Levels 3. Quantitative Representation of Energy Flow using Pyramids 4. Significance of Models in Ecosystem Representation Visit my notion: https://prickly-casquette-c39.notion.site/Food-pyramids-and-energy-flow-755b8d2fdfc24bbcbd9fc9fe870397cd?pvs=4

Climate change 27.07.2024

Hi guys! Here are the topics discussed: 1. Influences on global temperatures and climate patterns 2. Correlation between rising carbon dioxide concentrations and global temperatures 3. Primary drivers of recent increases in atmospheric carbon dioxide 4. Evaluation of claims regarding human activities and climate change 5. Threats to coral reefs from increasing concentrations of dissolved carbon di...

Carbon cycle 26.07.2024

Topics covered: - Components of the Carbon Cycle - Processes of the Carbon Cycle - Carbon Sources - Carbon Sinks - Human Impact - Ocean Acidification - Measurement Techniques - Carbon Sequestration Here’s my notion: https://prickly-casquette-c39.notion.site/Carbon-cycle-fe64f7a564c742dbae063043583a6cae?pvs=4

Element cycles 25.07.2024

Topics discussed: Nitrogen cycle Phosphorus cycle Water cycle Here’s my notion ;) https://prickly-casquette-c39.notion.site/Nutrient-cycles-in-ecosystems-8e8b1dca048545eaa65c5d1df9983a94?pvs=4

Energy flow - Episode 25# 23.07.2024

Topics discussed: 1. Primary Source of Energy in Ecosystems 2. Conversion of Light Energy into Chemical Energy 3. Flow of Energy Through Food Chains 4. Utilization of Energy in Respiration 5. Limitations in Conversion of Heat to Other Forms of Energy Visit my notion! https://prickly-casquette-c39.notion.site/Energy-flow-d70c48dfa2384d5d90d9982658752e6d?pvs=4

Ecosystem dynamics intro. - Episode 25# 22.07.2024

1. Supply of Inorganic Nutrients in Ecosystems 2. Potential of Ecosystems Over Time 3. Establishing Sustainable Systems through Mesocosms. Here’s my notion: https://prickly-casquette-c39.notion.site/Ecosystems-dynamics-intro-to-cycles-and-mesocosms-c9487a10887b414197627d236843145f?pvs=4

Speciation - Episode 23 # 21.07.2024

Helloo guys!! Today we will discuss 1. Definition of a Species 2. Mechanisms of Isolation Leading to Speciation 3. Examples Illustrating Reproductive Isolation Mechanisms 4. Testing Association Between Two Species 5. Importance of Recognizing and Interpreting Statistical Significance

Nutrional strategies and ecological roles - Episode 24# 20.07.2024

Notion: https://prickly-casquette-c39.notion.site/Genocastase-0a2459f48af14c648f7d653c7017375d?pvs=4 Types of Nutrition: Autotrophic Nutrition Heterotrophic Nutrition Distinguishing Consumers from Other Heterotrophs: - Herbivores - Carnivores - Omnivores How Detritivores Obtain Nutrients How Saprotrophs Obtain Nutrients How a Community is Formed What Creates an Ecosystem How Autotrophs Obtain Nutr...

The comeback (with a human insight) 19.07.2024

Hey guys, after a while, I decided to go back and keep recording episodes. :)

Gene pools - Episode 21 # 05.02.2024

Hellooo guys, today we discuss gene pool, speciation, and natural selection

Inheritance high level - Episode 20 # 12.01.2024

Hellooo guys, today we will discuss Morgan’s experiments about genetics. If you wanna read more https://app.kognity.com/study/app/hl-biology-2024/sid-47-cid-230235/book/loci-ahl-id-1962

Inheritance pt. 4 - Episode 19 # 12.01.2024

Hellooo guys, today we will discuss genetic diseases as well data bases where they can be found. If you wanna read more https://app.kognity.com/study/app/hl-biology-2024/sid-47-cid-230235/book/loci-ahl-id-1962.

Inheritance pt. 2 - Episode 18# 09.01.2024

Hellooo guys, here we discuss the concept of ABO blood groups and genetic diseases. If you wanna reas more https://app.kognity.com/study/app/hl-biology-2024/sid-47-cid-230235/book/polygenic-inh-ahl-id-1965

Mendelian laws - Episode 17# 06.01.2024

Hellooo guys, here we discuss Mendel basic laws of inheritance as well as its exceptions. If you wanna read more https://app.kognity.com/study/app/hl-biology-2024/sid-47-cid-230235/book/mendel-genotype-core-id-1818

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