Examlex
Which of the following is the correct sequence of the different zones in the open ocean (top to bottom) ?
Teratogen
A substance, agent, or process that can cause developmental malformations in an embryo or fetus.
Arms and Legs
Extremities of the human body, where arms are the upper limbs involving the shoulders to the hands, and legs are the lower limbs extending from the hips to the feet.
Teratogens
Agents, such as chemicals or viruses, that can cause harm to a developing fetus.
Embryo
The early developmental stage of an organism, in humans, this phase lasts from the second to the eighth week of pregnancy.
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