ve5tc
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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Virus
A tiny no living particle that enters then reproduces inside of a cell
Host
An organism that provides a source of energy for a parasite
Vaccine
A substance used for vaccination that consist of weak pathogens
Bacteria
Single called organism that lack nucleus
Protist
A eukaryotic organism that cannot be classified as a plant animal or fungus
Parasite
An organism that benefits by living on its host
Resistant
In which an organism resist an internal or external force
Tissue
A group of similar cells that perform a similarly duty
Vascular plants
A plant that has a vascular tissue for transporting materials
Nonvascular plants
A low growing plant that lacks true vascular tissue
Vertebrates
An animal with a back bone
Invertebrates
An animal without a backbone
Organ
A body structure that is composed of different kinds of tissue that work together
Mammals
A vertebrate whose body tempeture is regulated by its internal heat and does not lay eggs
Symmetry
In which to halfs are identical