Answer:
Y because organism y feed on herbivore
Explanation: using process of elimination this one makes sense and i got it right on the test.
<span>In physical chemistry, the van der Waals forces is the sum of the attractive or repulsive forces between molecules other than those due to covalent bonds or to the electrostatic interaction of ions with one another or with neutral molecules. Van der Waals forces are relatively weak compared to normal chemical bonds, but play a fundamental role in fields as diverse as supramolecular chemistry, structural biology, polymer science, nanotechnology, surface science, and condensed matter physics.</span>
Answer: Yes
Explanation:
The circles are phosphate groups. The pentagons are deoxyribose sugars.
Answer:
B
Explanation:
nitrogenous bases on the two strands of DNA pair up, held together by weak hydrogen bonds.