Answer: Answer C
Explanation: doesn't appear in your textbook, so you should automatically be a bit suspicious of ... Yeast can get by fine with, or without oxygen.
This is called a food web, where many food chains are combined to form a more detailed version showing feeding relationships within an entire community
The correct answer is A.
Oswald Avery applied several biochemical techniques to large cultures of bacteria in order to extract and purify the "transforming principle". Their experiments showed that most probably the "transforming principle" was DNA. One of the observations leading to this conclusion was that enzymes that degrade proteins or RNA (such ribonucleases) had no effect on the "transforming principle". On the contrary, enzymes degrading the DNA destroyed the extract's transforming capacity.
Answer: Three
Reason/Explanation:
The cat, you and the dog are all different populations. Together, there are three populations.
-DustinBR