Answer:
True
Explanation:
Because of Pangea, they show evidence of fossils deep underground in different continents
Http://www.livescience.com/22537-skeletal-system.html
Diatoms contain chloroplasts that have four membranes. These four membranes are evidence of secondary endosymbiosis (Option c).
<h3>What is secondary endosymbiosis?</h3>
Secondary endosymbiosis is a hypothesis used to explain why diatom chloroplasts have four membranes.
According to this hypothesis, diatoms received different genes from distinct photosynthetic and non-photosynthetic ancestors.
The acquisition of genes of different ancestors led to diatoms having chloroplasts with four membranes.
Learn more about the endosymbiosis hypothesis here:
brainly.com/question/2957447
Answer: I believe it was an epidemic
Explanation:
Hope this helps!
Temperature, viscosity, and amount of dissolved gases
