You are presented with the question "What stimulates the reproductive organs to develop testicles?" and the following answer choices: - sperm - mechanical - barnacles - the penis - the moon - testosterone - Chemical energy - competition Now knowing that testosterone stimulates the reproductive organs to develop into male organs and testicles are male reproductive organs, choose the best answer.
testosterone
You are presented with the question "what responds to daily and seasonal cycles and to disease?" and the following answer choices: - bees - insects - resistance - agriculture - humans - tortoises - cactuses - vegetation Now knowing that plants respond to daily and seasonal cycles and to disease and cactuses are one type of succulent plants, although they are usually referred to separately, choose the best answer.
cactuses
Q: You are presented with the question "what can high temperatures cause?" and the following answer choices: - symptoms - dioxins - Rise - Pollution - anemia - Allergies - disease - sweating Now knowing that high temperatures can cause an object to combust and dioxins are the byproducts of combustion processes, choose the best answer.
A: dioxins
Question: You are presented with the question "what do some plants use a stem to store?" and the following answer choices: - CO2 - H20 - RNA - UV - urea - Dew - h2o - rain Now knowing that astem is used to store water by some plants and water is made up of H2O molecules, choose the best answer.
Answer: h2o
*Question*
You are presented with the question "what requires stamina to succeed at physical activities?" and the following answer choices: - mushrooms - Mammal - trees - bullfrogs - oxygen - Lobsters - humans - pigeons Now knowing that an animal requires stamina to succeed at physical activities and humans are animals too, choose the best answer.
**Answer**
humans
*Question*
You are presented with the question "What does blowing into a whistle do?" and the following answer choices: - makes a sight - makes sound - causes disruption - duplicate itself - unidirectional - decrease stamina - makes hearing - to move people Now knowing that blowing air into a whistle causes air to vibrate inside the whistle and sounds are caused by vibrations in the air, choose the best answer.
**Answer**
makes sound