Q: Q: Most ecosystems are disturbed too often to attain what final, stable status? A:

OPTIONS:
- undisrupted community
- calm community
- even community
- climax community

A: climax community

input: OPTIONS:
- nitrogen cells
- animal cells
- man-made cells
- plant cells Now, answer this question: Q: Chloroplasts, leucoplasts and chromoplasts are found in what type of cells? A:
A:
output: plant cells

Q: The combustion of propane gas produces carbon dioxide and what else? A:

OPTIONS:
- methane
- carbon monoxide
- phosphorous
- water vapor

Answer: water vapor

Problem: OPTIONS:
- metastasis and biotic
- innate and biotic
- hygroscopic and abiotic
- abiotic and biotic
Q: Q: The interaction of what opposite factors describe a biome and ecosystem? A:
Answer: abiotic and biotic

Problem:OPTIONS:
- pore
- ear
- mouth
- nose

Q: The major entrance and exit for the respiratory system is which facial orifice? A:
****
A: nose

Problem:OPTIONS:
- oval
- square
- triangular
- circular

Q: The e. coli chromosome, like many other bacterial chromosomes, is what shape? A:
****
A:
circular