Here are my educated guesses:
1. Earth
2. A niche
3. Detritivore
4. Omnivores
5. True
6. The amount of sunlight available to a vegetable garden
7. When it begins exponential growth instead of logistic growth
hope it helps u out :v
Experiments are often replicated or repeated even when no obvious mistake was visible. This is to establish how variable results are. Statistically, multiple runs are used to determine the variance or standard deviation around the average value. The best answer for this is choice C, to double check results.
Answer:
the environment and parasites
