Answer:
Homeostasis is the ability to maintain a constant internal environment in response to environmental changes so organism must need it so they can be balanced internally in response to the environment .
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The central nervous system consists of the brain and spinal cord.
B.
A. Igneous because liquid rock is magma
Confirmed garrod’s hypothesis using genetic and biochemical studies of bread mold.
The most highly sensitive time within the developing embryo for the risk of malformation related to environmental teratogens is cleft palate at 8 weeks gestation. It is an opening in the roof of the mouth.
A teratogen is any substance and/or physical agent that may cause an irreversible abnormality in the structure of the developing embryo or fetus (e.g., classical pesticides such as DDT).
Cleft palate is a malformation mainly caused by mutagenic agents (teratogens) during pregnancy, which affects approximately one (1) of 650 births.
A cleft palate is a malformation that occurs when the two plates of the skull that form the roof of the mouth cannot be completely joined.
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