Line 1: *Mollusks are a major food source for other organisms, including humans. Mollusks in the diorama include snails and clams. Snails are a major food source for other organisms, including humans.*
*(C)*
Line 2: *What are a major food source to organisms including humans?
Options:
- (A) leeches
- (B) earthworms
- (C) snails
- (D) plants
- (E) tapeworms
- (F) trees
- (G) potatoes
- (H) bushes*

Logic of a solution: *Animals adapt to cold temperatures. Sasquatches are obviously Earth-type animals. Sasquatches adapt to cold temperatures.*
*(E)*
The original question: *What organism can adapt to cold temperatures?
Options:
- (A) insects
- (B) a fish
- (C) sensory neurons
- (D) sweating
- (E) Sasquatches
- (F) peachleaf willow
- (G) athletes
- (H) protect them*

Line 1: *Meiosis is the type of cell division that produces gametes. Gametes are haploid egg or sperm that fuse to form a zygote. Meiosis is the type of cell division that produces haploid cells.*
*(F)*
Line 2: *Meiosis is the type of cell division that produces:
Options:
- (A) animals
- (B) Plant reproduction
- (C) Most plants
- (D) peachleaf willow
- (E) Plants growth
- (F) haploid cells
- (G) spread flower seeds
- (H) rapid expansion*

Logic of a solution: *Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently, immobile.*
*(A)*
The original question: *What is true of all adult sponges?
Options:
- (A) they are immobile.
- (B) at or near the margins
- (C) They may not survive.
- (D) water conservation
- (E) Light passing through water
- (F) competition
- (G) To keep their body heat.
- (H) permineralization*

Line 1: *Hydrogen bonds cause water to expand when it freezes. Water is everywhere H20. Hydrogen bonds cause H20 to expand when it freezes.*
*(C)*
Line 2: *What causes h20 to expand when frozen?
Options:
- (A) evaporation
- (B) vaporization
- (C) hydrogen bonds
- (D) helium bonds
- (E) mysterious forces
- (F) nitrogen bonds
- (G) Physical weathering
- (H) precipitation*

Line 1: *Cells are the basic units of the structure and function of living things. Osteogenic cell types are indicated. Osteogenic is a type of the basic units of the structure and function of living things.*
*(B)*
Line 2:
*What is a type of the basic units of the structure and function of living things?
Options:
- (A) sensory neurons
- (B) osteogenic
- (C) animals
- (D) Chemical energy
- (E) Energy
- (F) trees
- (G) ferns
- (H) fur and fat*