question: Sperm and egg nuclei combine to do what?
Options:
- (A) combine genes
- (B) rapid expansion
- (C) fertilize gametes
- (D) reproduce
- (E) allow growth
- (F) build proteins
- (G) spread flower seeds
- (H) remove eggs
answer: Fertilization of gametes produces a diploid zygote. Sperm and egg nuclei combine to form the diploid zygotic nucleus 2. Sperm and egg nuclei combine to fertilize gametes.
The answer is (C)

question: _ is how organisms grow and repair themselves.
Options:
- (A) respiration
- (B) hormone secretion
- (C) potatoes
- (D) Mitosis
- (E) complex
- (F) gene regulation
- (G) properties
- (H) recycling
answer: Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grow and repair themselves.
The answer is (D)

question: Marine annelids can make a swimming larvae called what?
Options:
- (A) barnacles
- (B) survive
- (C) graptolites
- (D) epidermal
- (E) Something to move
- (F) a trochophore
- (G) fertile
- (H) permineralization
answer: Adult worms go through a major transformation to develop reproductive organs. Marine annelid worms have larvae called trochophores that swim about by means of cilia. Marine annelids go through a major transformation to be able to make larvae called trochophores that swim about by means of cilia.
The answer is (F)

question: _ is how organisms grow and repair themselves.
Options:
- (A) respiration
- (B) hormone secretion
- (C) potatoes
- (D) Mitosis
- (E) complex
- (F) gene regulation
- (G) properties
- (H) recycling
answer:
Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grow and repair themselves.
The answer is (D)