Prokaryotic: singular chromosome and no real nucleus - lack membrane bound organelles (ie. bacteria & archea)
eukaryotic: multiple strands, with a nucleus - membrane bound organelles. (ie. animals & plants)
Answer:
1: Organism
2: Population
3: Community
4: Ecosystem
(the word bank literally gave it away)
Explanation:
You can see that box 1 is next to 1 animal, so it's an organism.
You can see box 2 is next to a group of the same animals, so it's a population
You can see box 3 is next to a small group of multiple species, so it's a comunity
You can see box 4 is next to a fully functioning group of species, so it's called an ecosystem
The red blood cell will be more exposed to oxygen making it a lighter color. ur veins r full of dark red blood and white blood cells (which are donut shaped)
I believe the answer is radiometric dating.
