Need someone to define these for me/ describe them: •dna helicase, replication forks(corigin the replication)

•dna polymerase, leading strand, lagging strand (Okazaki fragments)

• dna ligase links Okazaki fragment,2 semi conservative strands.

What molecule does hemoglobin decay into over time

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.