Q: Q: What do obligate aerobes need to live? A:

OPTIONS:
- blood
- acid
- dioxide
- oxygen

A: oxygen

input: OPTIONS:
- sediment
- soil
- horizontal stata
- rock stata Now, answer this question: Q: What is stacked in layers in "layer cake geology"? A:
A:
output: rock stata

Q: In the mouth, enzymes present in what begin to chemically break down food? A:

OPTIONS:
- blood
- acid
- lymph
- saliva

Answer: saliva

Problem: OPTIONS:
- temperature
- chemical makeup
- density
- fertility
Q: Q: What does the color of soil indicate? A:
Answer: fertility

Problem:OPTIONS:
- hypothesis
- consciousness
- breathing
- homeostasis

Q: Hormones often regulate what through antagonistic functions? A:
****
A: homeostasis

Problem:OPTIONS:
- female adaptive system
- female reproductive system
- male circulatory system
- male reproductive system

Q: The vas deferens and ejaculatory ducts are part of what system? A:
****
A:
male reproductive system