Examlex
The mouth is the last thing produced by growth of the archenteron through the sea urchin gastrula.
Chorionic Villus Sampling (CVS)
A test used to find genetic defects that involves taking samples of hairlike material that surrounds the embryo.
Ultrasound Sonography
A process in which high-frequency sound waves scan the mother’s womb to produce an image of the unborn baby, whose size and shape can then be assessed.
Teratogen
An environmental agent, such as a drug, chemical, virus, or other factor that produces a birth defect.
Environmental Factor
Any external element that can influence the development or outcome of a process or the health of an organism.
Q9: What problem might result from damage to
Q16: Low genetic diversity, narrow geographic distribution of
Q17: Which of the following trophic levels could
Q28: Many plant species produce flowers of a
Q28: The ozone layer is found in which
Q33: Bicoid mRNAs are produced by the zygote.
Q47: Which chamber of the heart receives blood
Q48: You owe your life to chloroplasts. The
Q66: One difference between passive and active transport
Q76: Antibodies are a part of our _