ANSWER:
1. Cellular level aka cells
2. Organelle
3. Organs an example could be the heart
4. Organism
5. Population
6. Abiotic factors? I’m not sure on this one
7. Biosphere
Here are the four postulates of natural selection. These are <span>features, differences in population members' ability to reproduce and survival of the fittest in terms of variability, heritability and reproduction. Hope this answers your question. Have a great day!</span>
Answer:
It has a postanal tail.
It has pharyngeal arches.
Answer:
Oxygen
Explanation:
During photosynthesis, oxygen is released. I found this from a quizlet.
