Line 1: *Antibodies are large, Y-shaped proteins that recognize and bind to antigens. ALL immunogens are antigens. Antibodies are large, Y-shaped proteins that recognize and bind to immunogens.*
*(G)*
Line 2: *Antibodies are large, y-shaped proteins that recognize and bind to:
Options:
- (A) humans
- (B) A Greek letter
- (C) bones
- (D) the skin
- (E) animals
- (F) inorganic items
- (G) immunogens
- (H) water*
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Line 1: *Aggression is behavior that is intended to cause harm or pain. Curses are spells that are often intended to cause harm to another person. Curses are a form of aggression.*
*(A)*
Line 2: *What is a curse?
Options:
- (A) a form of aggression
- (B) Something coming from a gland
- (C) after too much water received
- (D) forest is destroyed
- (E) friendly behavior
- (F) a form of love
- (G) nonaggressive
- (H) death and devastation*
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Line 1: *Petals attract pollinators to the flower. Pollination is by flies, wasps, and bees. Petals attract flies, wasps, and bees to the flower.*
*(A)*
Line 2: *In order to attract flies, wasps, and bees, what does a flower employ?
Options:
- (A) petals
- (B) colors
- (C) insects
- (D) camouflage
- (E) Energy
- (F) scentless
- (G) lack of color
- (H) pollen*
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Line 1: *Coral reefs provide food and shelter to many ocean organisms. Coral reefs are formed from coral skeletons. Something formed from skeletons provide food and shelter to many ocean organisms.*
*(B)*
Line 2:
*What provides food and shelter to many ocean organisms?
Options:
- (A) It helps them survive
- (B) Something formed from skeleton
- (C) sedimentary rocks
- (D) important habitats
- (E) Something with a head, thorax, and abdomen
- (F) it protects them
- (G) gastropod shells
- (H) in their habitats*
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