전체: 2028 / 11170

엑스트라

This tree, popular in rural courtyards, is grown for its stone fruit and good quality timber.

인간의 두피에서 서식하며 혈액을 섭취하는 기생충.

Low-intensity warm-up exercises

It is a common plant in forests that needs to be avoided during excursions.

양파 껍질의 불염포에 있는 옥살산칼슘과 황산칼슘 결정체를 100배의 확대율로 관찰합니다.

Let’s see what a plant cell nucleus looks like under the microscope.

We will use the epidermis of an onion to examine the process of plasmolysis.

The surface of an eelgrass leaf observed under an optical microscope at medium magnification.

Perennial plants are herbaceous plants that live for more than two years.

수산화칼슘용액 속에 공기를 불어넣어서 공중의 이산화탄소 함유를 통해서 탄산칼슘을 생산하는 식험입니다.

속새과(Equisetaceae)에 속하는 가장 흔한 종 중 하나이다.

A common wetland perennial, the common comfrey can be found in swampy hollows in meadows.