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Explanation of the phases of mitosis

Micturition (peeing) starts with urine flowing from the kidneys to the bladder via ureters. The bladder expands using transitional epithelium. Urine exits through the urethra, controlled by internal and external urethral sphincters. Ureters prevent backflow, thereby reducing infection risk

Details on the light-dependent reactions of photosynthesis

C-4 Photosynthesis: How some plants avoid photorespiration

Overview of photosythesis

Introduction to evolution, variation in a population and natural selection

Introduction to viruses

Video 1: Finding percentages with a double number line
Video 2: Finding the whole with a tape diagram
Online activity: Find percents visually

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.