biological

体内時計

an innate mechanism in living organisms that controls the periodicity of physiological functions

生物学的な親

a person who is the genetic parent of a person

血縁関係のある親。

生物学上の父親

a man who is the genetic father of a person

血のつながりのある父親。

生みの母

a woman who is the genetic mother of a person

養母とは対照的に、子供を産んだ母親。

生物兵器

a weapon of mass destruction that uses a biological agent

生物科学

any of the branches of natural science dealing with the structure and behaviour of living organisms

生物の研究。

生物戦

the use of biological toxins or infectious agents as weapons of war

生物リズム

a naturally occurring cycle of activity in a living organism

生物多様性

the variety of life in the world or in a particular habitat or ecosystem

生態系における生命体の多様性

生物攻撃

an attack using biological agents like bacteria or viruses

細菌やウイルスなどの生物剤を使用した攻撃