Examlex
What is the most important aspect of the protection of endangered species and ecosystems?
Cell's Environment
The surrounding conditions and factors that interact with and influence a cell's function and survival.
Genes
The segments on a DNA molecule that act as hereditary blueprints for the organism’s development.
Umbilical Cord
A flexible helical structure containing blood vessels that connects the developing organism to the placenta.
Placenta
An organ made up of tissue from both the mother and the fetus that serves as a barrier and filter between their bloodstreams.
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