Through light transferring in to a surface
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
This fossil must be younger than 475 million years old, because that is when land plants arose
The dam could burst or, if not properly constructed cause water to spill over the sides and top of the dam. Hope this helps.
