Make two food chains from the proposed list of organisms: squirrel, frog, spruce, butterfly, marten, snake eagle, dragonfly, thistle, already.

(First comes the one who eats ..) 1) snake eater —-> frog —-> dragonfly —-> butterfly —-> thistle 2) marten —-> squirrel —-> spruce



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.