2points what is an index fossil? o a. a fossil that is found all over the world o b. a fossil found in rocks from one time period o c. a fossil that is more than 60,000 years old o d. a fossil that is from an animal that did not evolve subm apex answer

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

What are two examples of conduction that we use everyday

What is the period of cell life when it is conducting