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Biology 1 Vocabulary

Across
A recipe for mice: combine sweaty rags and bread crumbs, wait
A radioactive substance found in fossils
The amount of time it takes for half of the carbon-14 to change and dissipate
Body structure that no longer has any use
Structures that have similar functions but different origins of development
Number of biology tests this year
Radioactive isotope that has a half life used for dating organisms
A fossil used for dating strata correlations
Changes in the genetic structure of an organism to adapt to their settings to survive
The rock that fossils are found in most commonly
The career that studies fossils and remains
Down
Structures that have similar origin but no common function
The study of embryos and their development
The process of giving a fossil a precise date and age
The remains of a dead organism preserved through time