Super Read Worksheet 4.2 answers

ANSWERS
Super Read! Worksheet 4.2

1.
a. infectious agents
b. bacteria
c. They are not cells
d. They all lack a membrane-bound nucleus
e. yes
f. yes
g. replicate
h. reproduce
i. Some have DNA; others have RNA.
j. Most bacterial DNA are single, double-stranded, circular chromosomes that attach to the cell membrane.
k. yes and no
l. yes

2.

Organism
Sacrodinians

Zooflagellates

Locomotion
flowing manner

whip-like manner

Structures for
Movement
pseudopods

flagella

Adaptations
can become a hard cyst

symbiotic relationships

3.

Organism
Protist

Fungi

Types
plankton, protozoans

many forms, including yeasts

Size
mostly microscopic

huge range, from microscopic to giant puffball

Beneficial
Functions
Plankton: serve as a food source in aquatic environment, carry out 70% of Earth's photosynthesis
Protozoans: predators of bacteria, recycle chemicals in the environment

food, medicine
recycling processes

Harmful
Functions
cause disease, harm crops

attract flies, smell foul

Organism	Sacrodinians	Zooflagellates
Locomotion	flowing manner	whip-like manner
Structures for Movement	pseudopods	flagella
Adaptations	can become a hard cyst	symbiotic relationships

Organism	Protist	Fungi
Types	plankton, protozoans	many forms, including yeasts
Size	mostly microscopic	huge range, from microscopic to giant puffball
Beneficial Functions	Plankton: serve as a food source in aquatic environment, carry out 70% of Earth's photosynthesis Protozoans: predators of bacteria, recycle chemicals in the environment	food, medicine recycling processes
Harmful Functions	cause disease, harm crops	attract flies, smell foul