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INTERNATIONAL GCSE Biology (9-1) SPECIFICATION Pearson Edexcel International GCSE in Biology (4BI1) For first teaching September 2017 First examination June 2019 Issue 2. the net movement of particles from a region of higher concentration to a region of lower concentration down a concentration gradient, as a result of their random movement. Carries blood cells, dissolved nutrients, hormones, carbon dio…. The stamen is the male part of the flower and comprises the . So if you're revising Photosynthesis for Edexcel GCSE Biology, you can find all of the Photosynthesis questions that have been ever asked by Edexcel in one single document - useful, no? Fungus, Prokaryote, Protoctist (colonies of single cell), Animals with a backbone; mammals, birds, reptiles, amphibians, fish, Cold-blooded; lungs; dry scaly skin; leathery-shelled eggs, Cold-blooded; adults have lungs, larvae have gills; moist skin; lay jelly-coated eggs in water, Cold-blooded; gills; wet scale; lay eggs in water, Warm-blooded; lungs; feathers; hard-shelled eggs; wings, Warm-blooded; lungs; body hair/fur; give birth to live young; produce milk, Animals without a backbone; arthropods; myriapods, insects, arachnids, crustaceans, Segmented bodies; paired/jointed legs; one pair of antennae; at least nine pairs of legs, Exoskeleton; 3 pairs of jointed legs; 3 body segments; 2 to 4 wings, Exoskeleton; 4 pairs of jointed legs; 2 body segments; feeding/defense appendages, Exoskeleton; 5 to 7 pairs of jointed legs; 2 to 3 body segments; one pair of antennae, Reproduce through spores; no flowers; only branches & leaves. Start studying IGCSE Biology chapter5. 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