This printable crossword puzzle on the topic of Ecology & Evolution has 17 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
These can also be recorded as questions
This is often formed by an observation
A proposed answer for a scientific question
Cells with nucleus and membrane bound organelle
Dividing a group into 2 with contradicting characteristics until every individual in the collection is by itself
A simple, single-celled organism that lacks a nucleus and membrane-bound organelles
Groups of phyla
Species were grouped into a broad category, still based on similarities, he labeled
Related families are grouped into this
Grouped orders
Grouped classes
A group of similar organisms that can breed and produce fertile offspring.
Have centrioles and are supported by collagen
Can be completed in a field or a lab
In an experiment, you do this after observing
The highest taxonomic rank of organisms in the three-domain system of taxonomy
A cell which has a nucleus and organelles bounded by a thick and rigid cell wall