Answer:
sorry can not help wish i could.
Explanation:
D. Learned behaviors do not directly affect natural selection because they are not inherited.
This is true because learned behaviors can be taught to the offspring but do not come within them the way instincts do.
Answer: 1) Organism X is positively affected by the relationship and organism Y is negatively affected
Explanation: the predator eats the prey, so the predator benefits but the prey is killed. parasites are heterotrophic organisms that live on or in another living thing and do harm to it while they themselves benefit. <3
Answer:
<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>
Explanation:
