Synopsis
Spec references J247: B1.2g J250: B1.2d. How enzymes break down substrates into products, lock and key model, denaturing of proteins, how temperature and pH affects enzyme activity, which processes enzymes are involved in, enzymes in biological detergents. Specification reference B1.2g
Sea turtle conservation | A Perfect Planet
Spec references J247: B6.1b, B6.1c J250: B6.1b, B6.1c. How increasing ocean temperatures affect currents, and therefore marine animals. Conservation of sea turtles example is used in this clip, including how changing sea temperatures affect their survival.
Importance of marine protected areas | A Perfect Planet
Spec references J247: B6.1b, B6.1c, B6.1d J250: B6.1b, B6.1c. How an increase of carbon dioxide and overfishing impacts the sea ecosystem. There has been the creation of marine protected areas, trying to prevent poaching. Sharks, whales and dolphins can also accidentally get killed, for example through commercial fishing.