input: OPTIONS:
- north america
- australia
- south america
- africa Now, answer this question: Q: Fossil evidence indicates that the ancestors of humans originated on which continent? A:
A:
output: africa

Q: What is another name for molecular compounds? A:

OPTIONS:
- phenotype compounds
- oxidized compounds
- synthetic compounds
- covalent compounds

Answer: covalent compounds

Problem: OPTIONS:
- pound
- volume
- density
- kilogram (kg)
Q: Q: What is the the basic si unit for mass? A:
Answer: kilogram (kg)

Problem:OPTIONS:
- biomes
- spontaneous mutation
- food chains
- ecological pyramids

Q: What can demonstrate the decrease in energy, biomass or numbers within an ecosystem? A:
****
A: ecological pyramids

Q: All living things need air and this to survive? A:
OPTIONS:
- stimuli
- habitat
- ecosystem
- water
water

Q: In fruit flies, all homeotic genes are found on one what? A:
OPTIONS:
- genome
- enzymes
- site
- chromosome

Answer:
chromosome