Biologist lynn margulis proposed the endosymbiotic theory, which states that different prokaryotic organisms joined in symbiosis eventually become eukaryotic cells. which two plant cell organelles can be viewed as evidence to support her theory?
a cell wall and vesicle
b chloroplasts and vacuole
c mitochondria and chloroplasts
d mitochondria and golgi apparatus

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

What type of graph presents information about how often certain or traits occur?