Q: Deserts are generally dry ecosystems having very little what? A:

OPTIONS:
- heat
- snowfall
- mountains
- rainfall

Answer: rainfall

Problem: OPTIONS:
- dioxide
- hydrogen
- carbon
- oxygen
Q: Q: Plants not only contribute food but what else for organisms? A:
Answer: oxygen

Problem:OPTIONS:
- recombinant dna
- models dna
- addition dna
- satellite dna

Q: What is the term for very large arrays of tandemly repeating, non-coding dna? A:
****
A: satellite dna

Q: What is the name of a reactant in an enzymatic reaction? A:
OPTIONS:
- membrane
- Scar
- tissues
- substrate
substrate

Q: What are the 3 types of tissues that modern plants have? A:
OPTIONS:
- cambrium, epidermis, and ground
- sturdy , ground , and vascular
- sinuous , ground , and vascular
- dermal, ground, and vascular

Answer: dermal, ground, and vascular

input with options: Q: What abbreviated form refers to oxidation-reduction reactions, which are part of respiration and photosynthesis? A:
OPTIONS:
- oxid reactions
- morph reactions
- reflex reactions
- redox reactions
output:
redox reactions