Multiple Choice
Evidence supporting the idea that mitochondria and chloroplasts in present-day cells originated as independent organisms includes:
A) Similarities in DNA sequences between mitochondrial and bacterial genomes
B) Similarities in size and shape between mitochondria and some prokaryotes
C) Similarity between photosynthetic pigments in chloroplasts and cyanobacteria
D) Similarity in the way mitochondria, chloroplasts, and prokaryotes reproduce
E) All of these are correct
Correct Answer:

Verified
Correct Answer:
Verified
Q70: Why do scientists hypothesize that RNA was
Q71: By comparing the sequences of human and
Q72: Our closest living relatives on the evolutionary
Q73: Homo sapiens first appeared during the:<br>A)Cretaceous period<br>B)Tertiary
Q74: Ediacaran organisms lived during the:<br>A)Precambrian period<br>B)Cambrian period<br>C)Devonian
Q75: The two major extinctions of living species
Q76: The "Age of Fishes" was the:<br>A)Devonian period<br>B)Ordovician
Q78: The "Cambrian explosion" refers to:<br>A)The mass extinction
Q79: The mass extinctions of the Permian period:<br>A)Paved
Q80: The first flowering plants,first true mammals,and first