#Question id: 12760
#Section 5: Applied Ecology & Evolution
#Question id: 8854
#Section 2: Evolution
Which cells in a sponge are primarily responsible for trapping and removing food particles from circulating water?
#Question id: 12102
#Section 1: Ecology
Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions
Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?
#Question id: 12440
#Section 1: Ecology
#Question id: 4943
#Section 2: Evolution
In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?