Q: The sun’s energy is converted to chemical energy by a what?    Choices:  - bacterium  - mammal  - amphibian  - plant  A:
plant
Q: What does the presence of gill slits suggest about humans and fish?    Choices:  - Shared History  - Common Cells  - Same evolutionary chain  - common ancestor  A:
common ancestor
Q: Q: The negatively charged electrons are attracted to the positively charged what?    Choices:  - axon  - atom  - ion  - nucleus  A:
A: nucleus
Question: Q: Our global ecological footprint depends on resource use per person and what population factor?    Choices:  - population fluctuation  - population sample  - population decrease  - population density  A:
Answer: population density
*Question*
Q: What is the study of structure, properties, and interactions of matter?    Choices:  - petrology  - biology  - geology  - chemistry  A:
**Answer**
chemistry
(Q).
Q: Antibiotics can be used to fight what, in general?    Choices:  - fever  - viruses  - pathogens  - bacteria  A:
(A).

bacteria