For this problem, I think you missed to include the observation or the result of the incubation that has to be shown. However, I think that this problem is talking about not just a single species growing in the plate. This is due to unsterilized materials used and/or in the contamination from the procedure of the streaking itself.
The answer is d:the large ears of the desert rat give off heat. Choice a,b, and c are behavioral adaptations.
Answer:
The other populations will decrease.
Explanation:
If the grass population decreases, then the grasshoper population will decreace, causing the mice population to decrease, which will lead to the decrease in owl population.
Answer: b. burning fossil fuels
Explanation:
