کارت شما خالی است

فروشگاه

کمیت: 0

مجموع: 0,00

0

Ecosystems

Ecosystems

This is a video presenting the characteristics of natural and artificial ecosystems.

02:54

زيست شناسى

کلیدواژه‌ها

ecosystem, táplálékhálózat, self-regulating system, tundra, forest, lake, interaction, balance, plough land, horticulture, anyagforgalom, city, nature, pollutant, ecology, biology

Added to your cart.