grade 12 life sciences term 1 -term 4 video links

TERM 1 WORK (VIDEOS) | ||||
TOPIC | SUBTOPIC | VIDEO LINK | NOTES | PAST PAPER |
DNA CODE OF LIFE | https://youtu.be/D4T7ODkqO_c | https://youtu.be/D4T7ODkqO_c | https://thundereduc.com/ | https://thundereduc.com/ |
DNA DISCOVERY Simplified | https://youtu.be/Sqf7hBSC0rc | https://thundereduc.com/ | https://thundereduc.com/ | |
DNA STRUCTURE | https://youtu.be/TdQpAfTq7Wk | |||
DNA BASE CALCULATION | https://youtu.be/rIuKxOalNgA | |||
DNA PROFLING AND RNA STRUCTURE | https://youtu.be/2A5apLIG7Nk | |||
Protein synthesis | COMING | SOON | ||
MEISOSIS | All | COMING | SOON | |
REPRODUCTION | Development of the zygote until implantation | https://youtu.be/j5Y95j6vRYw | ||
MENSTRUAL CYCLE uterine cycle & ovarian cycle | https://youtu.be/Gx52nSW7q5I | |||
MORE | COMING | SOON | IN | 2days |
GENETICS | Introduction to genetics | https://youtu.be/gL4ZTMWr1mQ | |
Monohybrid cross (how do we mark genetic crosses) | https://youtu.be/IeQuNBZDFNU | ||
TYPE OF DOMINANCE, explained | https://youtu.be/9v283jVvUvc | ||
Sex determination | |||
Blood group | https://youtu.be/T0BYCpn7rPE | ||
Dihybrid cross | |||
Pedigree (sex and non sex linked) | |||
Biotechnology and genetic engineering | COMING | SOON | |
HUMAN EYE | Introduction to Human eye Structure and function | https://youtu.be/ouWDYGFw6As | ||
Pupillary mechanism (dim and bright light) | https://youtu.be/_3qPt7aXxD8 | |||
Accommodation (near and far vision) | https://youtu.be/0Avr1LzGs0M | |||
Eye defects (short sightedness, long sightedness, astigmatism & cataracts) | https://youtu.be/cBdsfVFBH5k | |||
HUMAN EAR | Introduction to Human ear and hearing | https://youtu.be/CJ3pvNfFUkc | ||
HEARING PROCESS | https://youtu.be/mMDwTI1jQUQ | |||
Process of Balance & hearing defects (middle ear infection and deafness) | https://youtu.be/IgPFmRXuBpk | |||
THE BRAIN AND REFLEX ARC | Introduction to nervous system And brain | https://youtu.be/wcDz-a4No0s | ||
Types Nevers (neurons) Motor, sensory and connector | https://youtu.be/yObTZzrr2xI | |||
Reflects arc (and questions) | https://youtu.be/yObTZzrr2xI?t=411 | |||
Synapse | COMING | SOON | ||
ENDOCRINE AND HOMEOSTASIS | Endocrine system (endocrine glands) | https://youtu.be/x9OdFlctD-s | ||
Homeostasis of glucose and | https://youtu.be/z4yDgQGJ0kM | |||
Salt balance (aldosterone) | https://youtu.be/d3olBXHOWMs?t=448 | |||
Osmoregulation (ADH) Water balance regulation | https://youtu.be/d3olBXHOWMs?t=179 new | |||
Thermoregulation (temperature) | https://youtu.be/z4yDgQGJ0kM?t=900 new | |||
https://youtu.be/z4yDgQGJ0kM?t=550 old | ||||
PLANT RESPONSE TO NVIRONMENT | INTRODUCTION | https://youtu.be/ptaSiUqQjW0 | ||
Geotropism and photo tropism | https://youtu.be/FJITdbC4I5Q | |||
EVOLUTION BY NATURAL SELECTION | Introduction to evolution (theory vs hypothesis) | https://youtu.be/Sx2pBsmbLm8 | ||
Evidences for evolution | https://youtu.be/QceKF1hcWHM | |||
Continuous and Discontinuous variation | https://youtu.be/I7iwAgcOI_E | |||
THEORIES OF EVOLUTION (Lamarckism vs Darwinism) | https://youtu.be/A2e73Juqx0Y | |||
Punctuated equilibrium vs gradualism | https://youtu.be/K6cK34QowPY | |||
artificial selection Vs natural selection | https://youtu.be/1lRXYacWHvo | |||
SPECIATION (allopatric) | https://youtu.be/qcTjZkGG2gM | |||
Present day evolution (drug resistance eg Bacteria, HIV, mosquitoes ) | https://youtu.be/_0oyan0tpbY |
HUMAN EVOLUTION | Introduction to human evolution | https://youtu.be/LOsNfpmGvnY | ||
differences between humans and apes | https://youtu.be/yhH6W3lNEmI | |||
Bipedalism Vs Quadrupedalism | https://youtu.be/JuhBWGUW15s | |||
Fossils, Mt DNA, Cultural evidences | https://youtu.be/JW10yRgqGYE | |||
Out of Africa hypothesis | https://youtu.be/H–P1cWBvAo | |||
Understanding phylogenetic tree general | https://youtu.be/QEGOK5hNGfE | |||
phylogenetic tree (explained in detail) | https://youtu.be/QEGOK5hNGfE | |||
EXTRA CLASSES
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