The Biologic Podcast
The Biologic Podcast is an educational audio series exploring the living world, from the origin of life nearly 4 billion years ago through the evolution of cells, genomes, and DNA. It traces evolutionary history and surveys modern biodiversity, then examines ecological interactions and Earth's biomes. Later episodes focus on the physiology and diversity of plants, fungi, and animals, including humans, in a structured journey through biology.
Episodes
Episode 135 - Insect Metamorphosis
Episode 134 - Paraneoptera II - Hemiptera - The True Bugs
Episode 133 - Paraneoptera I - Psocodea - The Bark Lice & True Lice
Episode 132 - Phasmatodea - The Stick & Leaf Bugs
Episode 131 - Mantodea - The Mantises
Episode 130 - Blattodea - The Cockroaches & Termites
Episode 129 - Orthoptera - The Crickets & Grasshoppers
Episode 128 - Odonata - The Dragonflies & Damselflies
Episode 127 - Early Insect Evolution
Episode 126 - Humans & Crustaceans
Episode 125 - Allotriocarida
Episode 124 - Malacostraca III - Brachyura - The Crabs
Episode 123 - Malacostraca II - Astacidea - The Lobsters & Crayfish
Welcome to Episode 123! Today we move deeper into the Malacostraca by exploring the Astacidea, the lobsters and crayfish, as well as their many relatives.
Episode 122 - Malacostraca I - The Shrimp, Krill, & Relatives
Welcome to Episode 122! Today, we'll begin our exploration of the large and diverse clade Malacostraca, which includes the shrimp, lobsters, and crabs. We'll start with the earliest branches and offshoot groups, many of which, like the krill, have become widespread, abundant, and critically important for global ecosystems.
Episode 121 - Early Crustacean Evolution
Welcome to Episode 121! Today we are introducing a new series on the crustaceans! In today's show, we'll dive into the early evolutionary history of the crustaceans, and take a closer look at a handful of the most basal groups in the clade.
Episode 120 - Humans & Myriapods
Hello and welcome to Episode 120! Today we'll be wrapping up our series on the myriapods by looking at the long historical relationship between humans and our many-legged friends. From prehistorical mythology to the cutting edge of modern day technology, myriapods have quietly achieved a unique kind of cultural significance.
Episode 119 - Chilopoda - The Centipedes
Welcome to Episode 119! Today we will take a closer look at the class Chilopoda, also known as the centipedes. These are a uniquely predatory group of myriapods, with many fascinating adaptations for their ecological niche.
Episode 118 - Diplopoda - The Millipedes
Welcome to Episode 118! In today's show, we return our focus to the myriapods by examining one of the more well-known groups, the millipedes of Diplopoda. They are a curious branch of arthropods, with many fascinating traits and behaviors that may seem otherwordly in their strangeness, or uncanny in their familiarity.
Episode 117 - The Soil Biome
Welcome to Episode 117! In today's special episode, we'll be stepping back from the myriapods to examine the soil biome itself. We will explore all aspects of the soil, from its material composition and chemical qualities, to its ecological role as a foundational substrate for life. This episode will transform the way you think about the dirt under your feet, and pull back the curtain to reveal th
Episode 116 - Pauropoda & Symphyla
Welcome to Episode 116! Today we will take a look at some of the smallest terrestrial creatures, some of the most obscure myriapods, oft left unseen as they crawl around in the soil.
Episode 115 - Early Myriapod Evolution
Welcome to Episode 115! Today we're beginning a new series about the myriapods, those cryptic and classic creepy crawlies that dwell in the soils of the world. In this episode, we'll begin with a broad overview of the evolution and diversification of the myriapods.
Episode 114 - Humans & Arachnids
Welcome to Episode 114! In today's show, we'll wrap up our series on the arachnids by exploring their relationship with humans, from our evolution and prehistory, to the modern day. In human cultural lore, arachnids are nuanced and complex entities. They have inspired many technologies, their biochemistry has provided many medicinal chemicals, and their influence on human culture and experience ha
Episode 113 - Araneae II - Araneomorphae
Welcome to Episode 113! We're finishing up the two-part mini-series on the true spiders of Araneae with this in-depth look at the Araneomorphae. This group comprises the vast majority of modern spiders, and demonstrates a bewildering degree of biodiversity and ecological contribution.
Episode 112 - Araneae I - Early Spider Evolution - Mesothelae & Mygalomorphae
Welcome to Episode 112! Today's show will explore the early evolution of the true spiders, their anatomy and physiology, and the life strategies and behavior of early spider groups like the Mesothelae and Mygalomorphae. This is part 1 in the Araneae mini-series; part 2 will explore the Araneomorphae.
Episode 111 - Scorpiones - The Scorpions & Relatives
In today's show, we'll take a look at the infamous scorpion, as well as several of its near relatives. It will be an exciting adventure in the life of a scorpion or scorpion-like creature, as they scuttle along in deserts or forests, using their claws or venomous tail to attack prey. These are incredible, charismatic and cryptic creatures, representing a modern scientific frontier waiting to be st
Episode 110 - Acariformes & Parasitiformes - The Ticks & Mites
Hello and welcome to Episode 110! Today we will explore the anatomy, lifestyle and ecology of two major arachnid groups; the acariformes and the parasitiformes, more commonly known as the mites and the ticks. Although they're most well known for the handful of groups that parasitize animals and sometimes even eat blood, most of them are herbivores whose collective consumption and metabolic activit
Episode 109 - Early Arachnid Evolution
Welcome to Episode 109! Today's episode is an important one. It marks the beginning of our four part mega series on the arthropods. In this first part, we introduce the most basal arthropod clade, the arachnids, and explore their evolutionary origins. We'll look at the ecological challenges they faced, and the friends and relatives they made along the way. Today's show will set the stage for the r
Episode 108 - Humans & Molluscs
Welcome to Episode 108! Today we'll be exploring the unique and diverse relationships that humans have with the many types of molluscs that share this world with us. They are part of our myths and legends, they are sources of food and medicines, and they've inspired countless technologies. We have a surprisingly close relationship with these most alien-like of Earthly creatures.
Episode 107 - Cephalopoda II - Coleoidea - The Squid, Cuttlefish, & Octopus
Welcome to Episode 107! This is part 2 in a 2-part series on the cephalopods. Today we will explore the evolutionary history of the coleoids, a "recent" branch of cephalopod. We will also examine their alien anatomy, their unusual life cycle, and their shockingly sophisticated intelligence.
Episode 106 - Cephalopoda I - Nautiloidea - The Nautiluses
Welcome to Episode 106! This show is part 1 in a 2-part series on the cephalopods. Today we will explore the evolutionary history of the cephalopods, and take a closer look at the physiology and life cycle of the descendants of the strange, basal lineage of nautiloids.
Episode 105 - Gastropods - Slugs and Snails
Welcome to Episode 105! Today we'll be exploring the wild world of gastropods, including their unique and bizarre physiology, as well as their even more bizarre reproductive strategies. It'll be a thoroughly entertaining and provocative episode, exploring the biology of a quiet, innocuous, and infinitely weird group of invertebrates.
Episode 104 - Bivalvia - Clams, Oysters, Mussels, and relatives
Welcome to Episode 104! Todays show will dive into a particularly strange and unusual type of animal life; the bivalves. Despite most bivalves being blind, immobile piles of slimy goo encased between two shell plates, they are remarkably fascinating creatures, with many critically important ecological contributions that help make aquatic habitats more habitable for all kinds of life.
Episode 103 - Early Mollusk Evolution
Hello and welcome to Episode 103! Today we'll be opening up a new chapter in the Biologic Podcast by diving into the anatomy, physiology, life cycle, and ecology of the rest of the animal kingdom, starting with the molluscs. The first episode in this new series will explore early mollusk evolution, and the biology of the earliest, most basal mollusk clades.
Episode 102 - Humans & the First Metazoans
Welcome to Episode 102! Today, we're going to end our series on the first Metazoans with a relatively short and sweet exploration of their complex and fascinating relationship with Humans; how we see the sponges and anemones and jellyfish in our myths, urban legends, and imagination, and the role they've played in our technical and scientific breakthroughs.
Episode 101 - Cnidaria - Corals, Anemones, Jellyfish, Hydra, and relatives
Welcome to Episode 101! In today's show, we'll continue our exploration of the early metazoans by focusing on the large and diverse clade Cnidaria. Here we will see all manner of jellyfish, corals, and sea anemones, among many other bizarre and strange relatives, including tiny filter feeders and obligate parasites. This will be a deep dive to meet some of the weirdest animals alive today.
Episode 100 - The Ediacaran Biota
Welcome to Episode 100! Today's special episode will be a deep dive into the world of the Ediacaran biota. We'll explore the early days of the Ediacaran, and the changing world that would give rise to the earliest animal-like organisms. Then, we'll follow their evolution through the Avalon, the White Sea, and the Nama time periods to see how this Ediacaran life evolves, diversifies, and eventually
Episode 99 - Ctenophora - The Comb Jellies
Welcome to Episode 99! Todays show will explore the strange and cryptic creatures known as the Ctenophora, or the comb jellies. These incredible and basal animals are quite unlike anything else in the sea, such that they may hold the secrets to many long-standing mysteries of early animal evolution.
Episode 98 - Porifera - The Sponges
Welcome to Episode 98! Today we will be exploring the anatomy, life cycle, and ecology of the most basal animal lineage with children still alive today; the sponges. These unassuming filter feeders are revealed to be extremely fascinating and complex creatures, critical to marine ecology.
Episode 97 - Early Metazoan Evolution
Welcome to Episode 97! Today we'll be exploring the evolution of the animal lineage, starting way back over a billion years ago with the ancesetral Opisthokonta. We'll look at how the earliest multicellular creatures formed the first animals, and the first lineages of animals that really took off and successfully colonized the worlds oceans, with descendents still swimming around to this day.
Episode 96 - Vertebrata V - Mammals
In this final episode on our phylogenetic exploration of the deutereostomes and the vertebrates, we'll take a look at the taxonomy and biodiversity of the mammals. The clade is the least species-rich of all the vertebrates, but their size and abundance make them key shapers of terrestrial, and many aquatic, ecosystems.
Episode 95 - Vertebrata IV - Birds
In this exciting episode of the podcast, we'll explore the taxonomy and biodiversity of the surviving descendants of the dinosaurs; the modern birds.
Episode 94 - Vertebrata III - Reptiles
Hello and welcome to Episode 94! Today we'll be exploring the taxonomy of the reptiles, those sturdy tetrapods that diverged from their amphibian ancestors, during the warmer, drier period after the collapse of the Carboniferous rainforests.
Episode 93 - Vertebrata II - Amphibians
Welcome to Episode 93! Today we follow the vertebrates as they evolve out of the water, by exploring the taxonomy and phylogeny of the amphibians.
Episode 92 - Vertebrata I - Fish
Welcome to Episode 92! Today we will be exploring the taxonomy and phylogenetics of the most basal vertebrate clade; the fish.
Episode 91 - Echinoderms
Welcome to Episode 91! Today we'll introduce the Deuterostome animals, and explore the taxonomy and phylogenetic relationships within the most basal extant branch; the Echinoderms.
Episode 90 - Arthropoda IV - Insects
Welcome to Episode 90! This will be an exploration of the taxonomy and phylogenetic relationships of the largest and most biodiverse animal clade on the planet; the Insects.
Episode 89 - Arthropoda III - Crustaceans
Welcome to Episode 89! Today we'll be exploring the enormous diversity of the crustaceans, from the tiniest arthropods that make up the zooplankton, to the largest crabs and lobsters.
Episode 88 - Arthropoda II - Myriapods
Welcome to Episode 88! We'll dig into the earth to explore the terrestrial world of the millipedes, the centipedes, and all the tiny symphylans and pauropods.
Episode 87 - Arthropoda I - Arachnids
Welcome to Episode 87! Today we'll begin an adventurous exploration of the arthropods, starting with the oldest arthropod lineage that has survived into the modern day: the arachnids!
Episode 86 - Mollusks
Welcome to Episode 86! Enjoy a brief overview of each major clade, and the evolutionary relationships, within the Mollusk phylum.
Episode 85 - World of Worms
Welcome to Episode 85, which will explore all the worms and worm-like creatures that live across our planet, in all habitats, in all ecological niches.
Episode 84 - Protostomes & Deuterostomes
Very early in the evolutionary history of animals, there was a divergance that would ultimately lead to the creation of two major divisions in the Kingdom Animalia; the Protostomes & Deuterostomes. In this episode, we'll explore this ancient evolutionary split, the physiological differences between the two clades, and the modern descendant species that represents them today.
Episode 83 - Animal Hormones
The animal endocrine system is a complex decentralized chemical communication network that coordinates growth and homeostasis across the whole organism. Hormones are a critical component of this system, and we'll explore the many forms they can take. And while we're on the topic of glands, we'll also cover the basics of the exocrine system.
Episode 82 - Animal Nerves
Today we'll examine the chemistry, anatomy, and physiology of the animal nervous system, from action potentials to neural circuits to animal behavior.
Episode 81 - Animal Immunity
In this episode, we'll explore the complex dynamics of the defensive system that protects animals from the countless microbes and pathogens they encounter every day: the immune system!
Episode 80 - Animal Respiration
In this episode, we'll explore both the chemistry and physiology of animal respiration. This will also involve a brief exploration of the cardiovascular system, which is integral to the function of the respiratory system.
Episode 79 - Animal Form & Function
The subtle but foundational relationship between form and function can be seen at all levels of biological organization, from cells to tissues to organs to limbs and body plans.
Episode 78 - Animal Movement
The ability to move, freely & autonomously, is one of the defining characteristics of all but the most basal animals, distinguishing them from the stationary plants, and the creeping fungi.
Episode 77 - Animal Reproduction
Animals are some of the most complex and dynamic organisms on Earth, and their mechanisms for reproduction are just as varied and complex.
Episode 76 - Animal Sensoria
An animal uses its senses to perceive and engage with the world around it, which is critical when you can move around an environment, searching for prey, and escaping predators.
Episode 75 - Animal Nutrition
All animals must eat food to survive, but how an animal eats, how often, and what it eats, play a fundamental role in the animal's evolution.
Episode 74 - Animal Hydration
Water is critical for life. So how does the animal body use its water? How does it maintain a healthy osmotic balance, to sustain life?
Episode 73 - Animal Development
Compared to plants and fungi, the animals have the most complex bodies, with the most complex body systems. Today, we'll explore the process of development that creates this complex animal body.
Episode 72 - Humans & Fungi
Today we'll be exploring the diverse and exciting ways in which Humans have used the many fungal species that share our planet.
Episode 71 - Basidiomycota
The basidiomycota are one of the most advanced and diverse groups of fungi, including all the puffballs, conks, and traditional mushrooms.
Episode 70 - Ascomycota
The ascomycota are one of two major divisions with the 'higher fungi'. Along with the basidiomycota, they have come to dominate the fungal kingdom, and have spread across all Earthly habitats.
Episode 69 - Glomeromycota
Hidden in the soil, the glomeromycota fungi seek out and fuse with the roots of plants, to engage in a symbiosis that sustains the worlds forests.
Episode 68 - Early Protozoa & Monokarya
The mysterious origin of the fungal lineage generated a diversity of fungal protozoa, which would give rise to the earliest true fungi.
Episode 67 - Fungal Evolution
The story of fungal evolution is shrouded in mystery, but what little evidence there is, suggests an incredibly long history that fundamentally influences all life on Earth.
Episode 66 - Fungal Ecology
The fungal organism engages with its community and environment in countless ways; without the fungi, much of life on Earth would not be possible.
Episode 65 - Fungal Reproduction
Among all the branches on the tree of life, the fungi have perhaps the most complex, diverse, and exotic means of reproducing, both sexually and asexually.
Episode 64 - Fungal Sensoria
Fungi sense the world with a variety of cellular and chemical structures, giving them a unique perspective of reality.
Episode 63 - Fungal Chemicals
The fungal lifestyle is built upon the diverse array of chemicals they can produce to engage in symbioses with other organisms, to break down detritus food, to parasitize other organisms, and to defend themselves from various threats.
Episode 62 - Fungal Nutrition
Fungi do not have mouths to eat their food, nor do they have roots like plants. There's the mystery: how exactly do fungi acquire the nutrients they need to stay alive?
Episode 61 - Fungal Development
Welcome to the world of fungi! We will begin our exploration of this exotic branch on the tree of life, with fungal development & physiology.
Episode 60 - Humans & Plants
Plants are fundamental to human existence. Without them, we would not, and could not, exist. This episode will explore the deep relationship between humans & the vegetable world.
Episode 59 - Angiosperms
The angiosperms are all those plants equipped with the most revolutionary development in floral reproductive capacity; the flower. The angiosperms and their colorful flowers have radically influenced Earths ecosystems for tens of millions of years.
Episode 58 - Gymnosperms
The gymnosperms are the mighty seed plants that, like the dinosaurs, once dominated the biomes of the planet. Though less dominant today, the gymnosperms retain a global presence, and a heavy influence in regional ecology.
Episode 57 - Ferns
The ferns are an unassuming branch of the Kingdom Plantae; they prefer the shade under the canopy, they unfurl their leaves with the elegance of a violinist, and they quietly dominate the undergrowth of forests around the world.
Episode 56 - Bryophytes
The bryophytes are an ancient lineage of simple plants, so simple they don't even have true vasculature systems. These small plants have a subtle but influential role in their ecology, and they serve as an evolutionary bridge between the simple algae, and more complex plants.
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