Which of the following is not a main type of community structure?

open

stable

closed

none of the above

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

Monitor and apply fix up strategies

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.