Answer:
ectoderm would be the answer.
The central element for all living things is carbon, which is why you might often hear the phrase "carbon-based" lifeforms. Another term is often "organic matter"
It's most likely a because plant,fish and turtles need water to survive nevermind just go for b lol :)
A punnet square is a chart to help figure out the possible genotypes of two organisms' offspring.
hope it helps!
The 10x objective... it's not zoomed in all the way, but it will provide a large field of vision to locate the specimen. Then after it's located you switch to the 40x objective to zoom in on a the specimen to observe it.
