Logic of a solution: *Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are immobile.*
*(F)*
The original question: *Which is immobile?
Options:
- (A) adult starfish
- (B) all matter
- (C) adult goldfish
- (D) gastropod shells
- (E) tadpoles
- (F) adult sponges
- (G) an object
- (H) an organism's body*

Line 1: *Flagella help prokaryotes move. Flagella are elongated cilia which moves like a whip or a tail. Cilia help prokaryotes move.*
*(H)*
Line 2: *What help prokaryotes to move?
Options:
- (A) organisms
- (B) tentacles
- (C) glucose
- (D) feet
- (E) Energy.
- (F) Energy
- (G) Mitosis
- (H) cilia*

Logic of a solution: *Soil can be depleted of nutrients. An important nutrient commonly added to soil is nitrogen. Soil can be depleted of nitrogen.*
*(D)*
The original question: *Nitrogen depletion is a condition of some:
Options:
- (A) bushes
- (B) humans
- (C) animals
- (D) soils
- (E) disease
- (F) legumes
- (G) mammals
- (H) Birds*

Line 1: *Chloroplasts contain the green pigment chlorophyll. Photosynthetic Pigments Photosynthetic Pigments Pigments are colorful compounds. Chloroplasts contain the green compound chlorophyll.*
*(H)*
Line 2: *What contains the green compound chlorophyll?
Options:
- (A) mitochondria
- (B) Most plants
- (C) vacuoles
- (D) color of leaves
- (E) cell walls
- (F) peachleaf willow
- (G) In their leaves
- (H) chloroplasts*

Logic of a solution: *Fungi are the only organisms that can decompose wood. Bows are wood, and wood breaks. Only fungi can decompose bows.*
*(H)*
The original question: *What can decompose a bow?
Options:
- (A) Acids
- (B) Oak
- (C) CO 2
- (D) pine
- (E) erosion
- (F) Wind
- (G) water
- (H) Fungi*

Logic of a solution: *Insulin is a hormone that helps cells absorb sugar from the blood. Diabetes is caused by a reduction in insulin or a resistance to insulin. Diabetes is caused by a reduction of a hormone that helps cells absorb sugar from the blood.*
*(C)*
The original question:
*What is caused by a reduction of a hormone that helps cells absorb sugar from the blood?
Options:
- (A) Dehydration
- (B) anemia
- (C) diabetes
- (D) glucose
- (E) cancer
- (F) fever
- (G) low blood sugar
- (H) strokes*