Answer:
D
Explanation:
Biotic factors-all the influences that organisms in the community have on each other
The first box is migration
The second box is the northern regions have become warmer because of climate change
A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
Answer:
Viruses are neither prokaryotes nor eukaryotes because they lack all of the characteristics of living things except for the ability to reproduce. They are considered parasitic because they cannot live or replicate without a living host. Viruses consist of genetic material (either DNA or RNA), a protein coat, and sometimes a lipid envelope surrounding the protein coat. They have no function except to reproduce.
Answer:
Energy is passed between organisms through the food chain. The organism that obtains energy from sunlight is called the producer.
Explanation:
