#Question id: 9149
#Unit 9. Diversity of Life Forms
In creating global climate patterns, which of the following factors is the primary cause of all of the other factors that are listed?
#Question id: 3539
#Unit 8. Inheritance Biology
In cucumbers, orange fruit color (R) is dominant over cream fruit color (r). A cucumber plant homozygous for orange fruits is crossed with a plant homozygous for cream fruits. What are phenotype of progeny if backcross between the F1 and the orange parent.
#Question id: 1027
#Unit 4. Cell Communication and Cell Signaling
Which of the following bacteria lack a cell wall?
#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: 16123
#Unit 7. System Physiology – Animal