Which of the following is NOT a major type of marine ecosystem? a. estuary
c. surface zone
b. intertidal area
d. polar ice
PLZ HELP I HAVE 2 HRS

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

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.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata