Make up one of the food chains that are characteristic of the lake.

1) dead organisms – toothless – bacteria – algae – crustaceans – bleak – perch
2) reed – mosquito – dragonfly – frog – already – heron
3) larvae – crucian carp – pike



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.