What causes pressure?
a. converting phases
b. conduction of heat
c. changes in bonding
d. collisions of molecules

List two modern organisms that have pentameral symmetry

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 could be a pathway of food through an ecosystem