the sea star pisaster occhraceus is a keystone species. Ten years afteer O. Ochraceus is removed from selected interdiak communities along the Washington coast, how might those communties compare ti control communities

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.