This is an example of observational study, because the biologist is not interfering or interacting with the subjects of study but just watching and registering data (recording with cameras).
The biologist is not conducting an experiment because (he is not setting up special conditions to register different responses to drive conclusions), and the biologist is not making any survey (questionnaires for example).
Answer: observational study
3 3/5 is what you're looking for :)<span />
9-7= 2 and ±2-±8=6 here are the answers to one of the questions you need help whith
Answer:7.54
is already rounded to the nearest hundredth. but rounded to nearest whole number will be 8
Step-by-step explanation:
It is either A or C just incase you needed an answer quickly
