Three pages on the organisms themselves, from a single cell to a migrating whale.
Cell structure, function and reproduction
Everything a marine organism does happens inside a cell, so this topic gives you the structures to look for and the job each one does. You need to know the four structure...
7 questions · 23 marks
Revise this topicClassification, the animal kingdom and the plant and protoctist kingdoms
Marine organisms are sorted into groups by the features they share, from the three domains down to a species carrying its two-part scientific name. This page covers the b...
8 questions · 24 marks
Revise this topicAnimal life cycles and migration
Two life cycles carry most of the marks here: the leatherback turtle, which nests on the beach where it hatched, and the coral polyp, which builds a colony by budding and...
8 questions · 24 marks
Revise this topic