Organism Characteristics
Membrane
Bound
Coll
Organeles
wall
✓
DNA
Nucleus
w
V
X
✓
✓
v
Y
Z
v
✓
V
The table above shows the characteristics of four different single-celled organisms. Which of the organism(s) are prokaryotic?
A
organism Y only
B В
organism W and organism Z
C C)
organism X only
D
organism X and organism Y

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules