Fill In the Blanks
Instruction:
In the text below some words are missing. Drag words from the box below to the appropriate place in the text. To undo an answer choice, drag the word back to the box below the text.
Biological systems
Since biological systems with signs of engineering are unlikely to have arisen from accidents or coincidences, their must come from natural selection, and hence should have useful for survival and reproduction in the environments in which humans evolved.
A
0/0
AnswersDiscussion
Frequency:
Source:
Order: