Questions by Cristina

Questions by Cristina

Instead of using a family tree, scientists use a(n) _____ tree to track the evolutionary history of a species.

asked Sep 14, 2017

2 answers

5 votes

62.8k views

Segment RS is an altitude of triangle PQR. Find the area of the triangle. a. 15.5 b. 16 c. 17.5 d. 18

asked Feb 25, 2017

2 answers

1 vote

77.8k views

A bacterium and amoeba are placed in different domains because A. a bacteria is single celled B an amoeba is photosynthetic C an amoeba can move D a bacterial cell is much simpl

asked Feb 8, 2015

2 answers

0 votes

120k views

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