Examlex
Gradients of Noggin and Chordin are signaling molecules that initiate _______ of dorsal to ventral cell fates during mesoderm induction.
Environment
Refers to the surrounding conditions and factors that affect living organisms, including natural and man-made elements.
Species
Unique type of organism designated by genus name and specific epithet. Of sexual reproducers, often defined as one or more groups of individuals that can potentially interbreed, produce fertile offspring, and do not interbreed with other groups.
Population
A group of organisms of the same species who live in a specific location and breed with one another more often than they breed with members of other populations.
Trophic Category
The classification of organisms based on their feeding position in the ecosystem, ranging from producers to various levels of consumers.
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