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The stages of embryo development are made visible by keeping the eggs under a thin skin of paraffin oil. Superficial cleavage, contraction, segmentation and the formation of the limbs and of the body can be...
Epiboly is a crucial aspect of the gastrulation of meroblastic eggs, leading to the establishment of the three germ layers and the formation of the yolk sac. Fundulus heteroclitus has large transparent eggs...
Studies the early stages of the development of the axolotl, an aquatic salamander with emphasis on genetically-determined characteristics. Two wild-type dark axolotls are mated, each is heterozygous for...
Demonstrates techniques used by field geologists to study regional metamorphic terrain such as that exposed in the Dalradsian in east-central Scotland. Deformation is looked at in terms of the relationship...
A CAL module in five units on optical mineralogy: Introduction; Basic concepts (the nature of light, the petrological microscope); Optical studies under plane-polarised light (shape, cleavage, refractive...
Shows normal development in a wide range of organisms, using real-time and time-lapse cinemicrography to demonstrate major cellular rearrangements. The diversity of embryonic patterns by shown by the way...
S260 support video in four bands: 1) Minor Intrustions (15 min): Looks at volcanic activity that occurred during the early stages of the opening of the North Atlantic 60 million years ago. Concentrates on...
Seven activities designed as science learning resources: 1) Holly Leaf Miner: explores the biology of this insect and its predators, showing how to undertake a biological project to quantify mortality...
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Learning on Screen
Related searches have been automatically generated using the OpenCalais semantic analysis service.
Related searches have been automatically generated using the OpenCalais semantic analysis service.