Which of the following is NOT included in animal anatomy?

Ais a group of individuals of the same that exist together in the same place at the same time

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?