Q: Behind the pupil, a single lens focuses light on a layer of what? Choices: - photons - chloroplasts - electrons - photoreceptors A:
photoreceptors

Q: Unlike prokaryotes, eukaryotes have what? Choices: - cell membrane - golgi apparatus - cell wall - cell nucleus A:
cell nucleus

Q: Flow of what can introduce alleles that are advantageous or ones that are disadvantageous? Choices: - babies - eggs - larvae - genes A:
genes

Q: What leads to the buildup of electric charges on objects? Choices: - movement - gravity - rotation - polarization A:
polarization