A tick living on the body of a deer is an example of:
1. mutualism
2. commensalism
3. parasitism

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

What type of plant is good for a bioassay and where can i buy it? i only have a month.

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?