Of the millions of living species, about cause 90 percent of the worldwide crop damage.

6. in the dna double helix, how are the two strands of dna held together? a. chemical bonds between base pairs hold the two strands of dna together. b. hydrogen bonds between the base pairs hold the two strands of dna together. c. hydrogen bonds between sugar groups and phosphate groups hold the two strands of dna together. d. chemical bonds between sugar groups and phosphate groups hold the two strands of dna together.

What do animals wth echolocation have in common other than echolocation

Photosynthesis converts solar energy into what type of energy?