which of these causes sickle-cell anemia base pair substitution too many chromosomes too few chromosomes base pair deletion

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

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet