tightly packed cells that protect the leaf, cells contain many chloroplasts, most photosynthesis takes place here, loosely arranged cells with many air spaces for gases, transports food and water to and from the leaf (vascular bundle of xylem and phloem), an opening for gas exchange (stoma), prevents water loss (waxy layer), control the opening of the stomata (guard cells).

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?