Cyanobacteria are a type of that
a) archaebacteria, are producers
b) bacteria, are producers
c) bacteria, produce endospores
d) archaebacteria, produce endospores

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

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?