Carol saw a streak of light across the night sky; she called it a shooting star, what did she actually see? (10 Points)

a meteor

a comet

a meteorite

a star

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.