Super Read Worksheet 4.1 answers

ANSWERS
Super Read! Worksheet 4.1

1
a. Unusually small bacteria or poisons from bacteria cause tobacco mosaic disease.
b. They are so diverse.
c. Four (One is on page 330 ; three are on page 331.)
d. It is a virus that contains an RNA core that replicates by first transcribing its RNA into DNA.
e. It is a protein molecule that can cause disease in animals.

2
a. true
b. false
c. true
d. false
e. true

3
a. page 344, "Bacteria's oil-eating debut"
b. page 344, "Everyday Biology"
c. page 344, right column
d. page 345, left column
e. page 346, left column

4
a. ...food and shelter for many marine plant and animal species.
b. ...that they are all eukaryotic organisms.
c. ...about 1.5 billion years ago.
d. ...protists in the water can cause serious illness in humans.
e. ...size, shape, and color.