#Question id: 23930
#General Aptitude
#Question id: 5027
#Unit 11. Evolution and Behavior
Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1. Protostomes invade terrestrial environments.
2. Cambrian explosion occurs.
3. Deuterostomes invade terrestrial environments.
4. Vertebrates become top predators in the seas.
#Question id: 2262
#Unit 2. Cellular Organization
Ribosomes are made up of ____ subunits.
#Question id: 1398
#Unit 4. Cell Communication and Cell Signaling
Which of the following properties is (are) characteristic of a benign tumor?
a. well differentiated b. localized to tissue of origin c. metastatic
d. promotes angiogenesis e. surrounded by a fibrous capsule
#Question id: 20988
#Unit 12. Applied Biology