Problem: OPTIONS:
- bacteria
- protozoa
- animals
- plants
Q: Q: What are the only living organisms that can make their own food? A:
Answer: plants

Problem:OPTIONS:
- sporozoans
- enzymes
- nuclides
- nucleiotides

Q: What molecules with a nitrogen base are the basic components of nucleic acids? A:
****
A: nucleiotides

Q: What is the term for polyatomic ligands with two or more donor atoms? A:
OPTIONS:
- proteins
- polyamines
- angiosperms
- chelates
chelates

Q: As distance from the source increases, the area covered by the sound waves increases, lessening what? A:
OPTIONS:
- velocity
- density
- duration
- intensity

Answer: intensity

Question: Q: In some plants, the sporophyte is diploid, while the gametophyte is what? A:
OPTIONS:
- gametes
- humanoid
- meiosis
- haploid
Answer: haploid

input: OPTIONS:
- .350 million
- 500 million
- .250 million
- 600 million Now, answer this question: Q: How many years ago may the earliest fungi have evolved? A:
A:
output:
600 million