Ecology - the study of organisms and how they interact with the environment around them., Parasitism - A relationship where one organism is harmed and the other benifits, Parasite - The organism that lives inside another and harms the other, Host - The organism that gets harmed , Biology - The study of life, Population Density  - Population density is a measurement of population per unit land area.,

Ecology

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?