Line 1: *Mollusks have a circulatory system with one or two hearts that pump blood. Interestingly, a squid is also a mollusk. Squids have a circulatory system.*
*(F)*
Line 2: *Which animals have a circulatory system?
Options:
- (A) insects
- (B) mammals
- (C) fur seals
- (D) sharks
- (E) cows
- (F) squids
- (G) a fish
- (H) chickens*
Logic of a solution: *Amphibians have a relatively complex circulatory system with a three-chambered heart. All frogs are amphibians. Frogs have a three-chambered heart.*
*(F)*
The original question: *Frogs have a _-chambered heart.
Options:
- (A) alveoli
- (B) organ
- (C) ovaries
- (D) oxygen
- (E) edible
- (F) three
- (G) nektar
- (H) CO 2*
Line 1: *Roundworms may be free-living or parasitic. Roundworms Nearly all puppies and kittens have roundworms. Puppies and kittens may have parasitic worms.*
*(H)*
Line 2: *What might puppies and kitties have?
Options:
- (A) They have thick fur
- (B) leeches
- (C) Animal fur
- (D) fur and fat
- (E) sensory neurons
- (F) parasitic snakes
- (G) crickets
- (H) parasitic worms*
Logic of a solution: *Many nucleotides bind together to form a chain called a polynucleotide. Nucleotides are the building blocks of DNA . The building blocks of DNA bind together to form a chain called a polynucleotide.*
*(D)*
The original question: *What do the building blocks of dna bind together to form?
Options:
- (A) A compound that donates proton
- (B) colors of the spectrum
- (C) Electrical energy
- (D) chain called a polynucleotide
- (E) Something with exactly eight protons
- (F) Something that makes plants green
- (G) Something with a head, thorax, and abdomen
- (H) biological diversity*
Line 1: *Fertilization of gametes produces a diploid zygote. Diploid zygote forms multicellular embryo in venter. Fertilization of gametes leads to formation of multicellular embryo in venter.*
*(H)*
Line 2: *Fertilization of what leads to formation of multicellular embryo in venter
Options:
- (A) seeds
- (B) grow
- (C) epidermal
- (D) pollen
- (E) Deposition
- (F) fertile
- (G) orchids
- (H) gametes*
Line 1: *Cell division is more complex in eukaryotes than prokaryotes. All plants are eukaryotes. Cell division is more complex in plants than prokaryotes.*
*(F)*
Line 2:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
*Cell division in what is more complex than cell division in prokaryotes?
Options:
- (A) bacteria
- (B) archaea
- (C) animals
- (D) SO2
- (E) fungi
- (F) plants
- (G) complex
- (H) E. coli*