Question: If male gametes had to swim from male to female reproductive organs for fertilization, then why do male gametes swim from male to female reproductive organs?  Answer choices: - temperature changes  - to leave the egg  - fertilization  - competition  - it needs them  - to feed  - permineralization  - to heal themselves
Answer: fertilization

Question: If something produced by the Sun has a negative impact on an organism, then what has a negative impact on an organism?  Answer choices: - sun  - HIV  - smog  - ill  - fire  - Cars  - HPV  - pain
Answer: sun

Question: If chemical messengers control anti-aging, then what controls anti-aging?  Answer choices: - A computer  - air  - chemical messengers  - ice  - an electric stove  - Electrical energy  - water  - Chemical energy
Answer:
chemical messengers