The clumping of red blood cells, which occurs when incompatible blood types are mixed, is an example of group of answer choices sensitization precipitation opsonization immunological surveillance agglutination

Explain why process 2 is so important to sexual reproduction identify processes 1 and 3 state one difference between the cells produced by process 1 and cells produced by process 3

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.

2. which is the last step in the scientific method?