This year we plan an aquatic biology focus. Since we're in an area with a lot of freshwater, but no particularly close salt water, we're focusing on freshwater bio, but I've added a few marine bio resources that look good as well.
Syllabus and online textbook links
http://w3.marietta.edu/~mcshaffd/aquatic/sextant/syllab.htm
Marine Biology Online syllabus
http://www.iteachbio.com/Marine-Biology/marine.html
Marine Biology Coloring Book
http://smile.amazon.com/Marine-Biology-Coloring-Book-Second/dp/006273718X/ref=sr_1_1?ie=UTF8&qid=1459523604&sr=8-1&keywords=Marine+Biology+coloring+book
Online labs
Microfauna/Protista
http://www.microscopy-uk.org.uk/index.html?http://www.microscopy-uk.org.uk/ponddip/
http://www.glencoe.com/sites/common_assets/science/virtual_labs/LS09/LS09.html
Classification
http://www.glencoe.com/sites/common_assets/science/virtual_labs/LS14/LS14.html
Feeding
http://www.glencoe.com/sites/common_assets/science/virtual_labs/LS13/LS13.html
Anatomy
https://www.emindweb.com/products.php
https://www.pc.maricopa.edu/Biology/ppepe/BIO145/lab04.html
http://www2.sd35.bc.ca/uconnect/salmon/DissectionGame.html
http://www.bio200.buffalo.edu/labs/tutor/Perch/Perch.html
https://temp.labster.com/courses/LabsterX/EcologyMarineBiology/2014/about (Two labs, $10 fee)
Water quality
http://www.glencoe.com/sites/common_assets/science/virtual_labs/CT04/CT04.html
http://glencoe.mheducation.com/sites/dl/free/0078802849/383929/BL_09.html
Fish
http://www.glencoe.com/sites/common_assets/science/virtual_labs/CT08/CT08.html
Labs
http://iws.collin.edu/efelker/Biology%201407%201409/Crayfish%20Dissection.pdf
https://www.altoona.psu.edu/biology/www/crayfish/extanat.htm
