Guest Hollow's Biology Curriculum Week 27

Christian High School Biology Curriculum

Click here to go back to the Guest Hollow Biology main page and access the other components of the Guest Hollow High School Biology Curriculum.


Illustrated Guide to Home Biology Labs are marked in white

Labs that are alternates to the Illustrated Guide to Home Biology are marked in green.

Optional and extra labs that have nothing to do with the IGTHB book are marked in orange.

Video labs are marked in blue.

Interactive online labs are marked in yellow.

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Week 27


Day 1

Day 2

Day 3

Day 4

Day 5

Guest Hollow's High School Biology Textbook


Chapter 18 Introduction

18.1 Sponges, Cnidarians, Flatworms, and Roundworms

18.2 Mollusks and Annelids


  • Invertebrates in phylum Porifera
  • Cnidarians
  • Platyhelminths
  • Nematode invertebrates


  • Invertebrates from phylum Mollusca
  • Characteristics of annelids


Workbook The rest of the workbook pages may be created at a later date. These pages are lower in my queue than other materials I am working on, since this biology curriculum is accessible for free online and was originally created for my son and not my business. I need to make earning an income via this website my priority at this time. Thanks for understanding! You can use the original CK-12 workbook pages instead, if you wish.

Optional Writing Assignment(s)




IGHBE: Lab Session XI-1: Investigating Porifera and Cnidaria

  • Culture: daphnia or brine shrimp
  • Culture: hydra (optional)
  • Microscope
  • Granita specimen (*granita spicules)
  • Vinegar (white, distilled)

HST kit: Dissect the
Granita (sponge)
Alternate or addition to Lab XI-1


HST kit:
Dissect the clam


IGHBE: Lab Session XI-2: Investigating Platyhelminthes, Nematoda, and Annelida

Alternate lab for XI-2:
HST kit : Dissect the earthworm


Video Dissection of a clam

Optional Online dissection: Dissect the earthworm



Bible Study

Genesis of Germs
The Genesis of Germs

Chapter 1: Microbes by Design


Chapter 2: Beneficial Bacteria


Chapter 3: Bacteria in a Fallen World

Other Resources







Biology Coloring book
Biology Coloring Workbook

Chapter 8
(p. 228) Phylum Porifera

Chapter 8 (p. 230) Phylum Cnidaria

Chapter 8 (p. 232) Phylum Platyhel-minthes

Chapter 8 (P. 234) Phylum Nematoda

(p. 236) Phylum Annelida

Chapter 8 (p. 238) Phylum Mollusca


Microscope slide:
Hydra budding worm

Microscope slide: Planaria (flatworm)

 Cut and assemble paper clam




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Link to Guest Hollow