What chromosome mutation involves a single set of chromosomes?

Abnormal softening of a gland is known as

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

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.