Logic of a solution: *Cancer is a disease that occurs when the cell cycle is no longer regulated. Mitosis is part of the cell cycle. Cancer is a disease that occurs when mitosis is no longer regulated.*
*(H)*
The original question: *What disease is caused when mitosis is regulated?
Options:
- (A) tuburculosis
- (B) death
- (C) HIV
- (D) disease
- (E) illness
- (F) arthritis
- (G) Toxicity
- (H) cancer*
Line 1: *Fertilization of gametes produces a diploid zygote. Female gametes are called eggs. Fertilization of eggs produces a diploid zygote.*
*(F)*
Line 2: *Fertilization of what would produce a diploid zygote?
Options:
- (A) fetus
- (B) seeds
- (C) H 2 O
- (D) bamboo
- (E) offspring
- (F) eggs
- (G) apples
- (H) sperm*
Logic of a solution: *Plants detect and respond to the daily cycle of light and darkness. Diurnal cycles Diurnal cycles are the daily cycles of light and darkness. Plants detect and respond to diurnal cycles.*
*(D)*
The original question: *What is the name of the light cycle that plants detect?
Options:
- (A) photons
- (B) three
- (C) Summer
- (D) diurnal
- (E) autumn
- (F) Energy.
- (G) Energy
- (H) sunlight*
Line 1: *Organisms use lipids to store energy. Another name for fat is lipid . Organisms use fat to store energy.*
*(C)*
Line 2: *Organisms use what to store energy?
Options:
- (A) food
- (B) skin
- (C) fat
- (D) RNA
- (E) batteries
- (F) CO 2
- (G) bone
- (H) O2*
Logic of a solution: *Animals adapt to cold temperatures. Temperatures are moderate in summer and COLD in winter. Animals adapt to the coolness in the winter.*
*(F)*
The original question: *What do animals do in the winter?
Options:
- (A) Release energy
- (B) running and lifting
- (C) it keeps an organism warm
- (D) adapt to warm weather
- (E) adapt to extreme heat
- (F) adapt to coolness
- (G) shed fur
- (H) by making heat*
Logic of a solution: *Fertilization occurs when a sperm and an egg fuse to form a diploid zygote. Male gametes are called sperm. Fertilization occurs when a male gamete and an egg fuse together to form a diploid zygote.*
*(D)*
The original question:

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
*What is formed when a male gamete and an egg fuse together?
Options:
- (A) Plant reproduction
- (B) simple zygote
- (C) spread flower seeds
- (D) diploid zygote
- (E) Chemical energy
- (F) peachleaf willow
- (G) duplex zygote
- (H) reproductive zygote*