: You can find the Workbook for 7th Grade Biology (Latiushin & Lamekhova) at retailers like Vasha-kniga or Knizhka US.
: Porifera (sponges), Cnidarians (jellyfish), and various worm phyla (Flatworms, Roundworms, Annelids). Mollusks : Snails, bivalves, and cephalopods. Arthropods : Crustaceans, Arachnids (spiders), and Insects. Vertebrates (Chordates) : gdz po biologii klass v.v.latiushin
Биология. Животные 7кл [Р/т] Вертикаль - Латюшин В.В., Ламехова Е.А. : You can find the Workbook for 7th
: How breathing, circulation, and nervous systems developed over time. and various worm phyla (Flatworms