Q: Who created the idea of an evolutionary tree to represent the relationships between different species and their common ancestors? Choices: - Carl Sagan - Scopes - Isaac Newton - charles darwin A:
charles darwin

Q: What are different forms of the same gene? Choices: - genomes - peptides - nuerons - alleles A:
alleles

Q: Q: For a star to form, what force pulls gas and dust into the center of the nebula? Choices: - weight - centrifugal force - motion - gravity A:
A: gravity

Question: Q: What do you call trees that lose their leaves in the fall and grow new ones in the spring? Choices: - perennial - fibrous - coniferous - deciduous A:
Answer: deciduous

*Question*
Q: What is the term for evolution over geologic time above the level of the species? Choices: - mutation - speciation - microevolution - macroevolution A:
**Answer**
macroevolution

(Question)
Q: What are the main organs for breathing in a mammal? Choices: - gills - nostrils - intestines - lungs A:
(Answer)
lungs