Nutrition

Question 1

Euglena are autotrophic meaning

Answer 1

they can make their own food

Question 2

Majority of protists are heterotrophic meaning

Answer 2

requiring food in a complex organic form

Question 3

Free-living species scavenge

Answer 3

dead plant or animal debris or graze on bacteria and algae.
(like saprobes)

Question 4

Some species have special feeding structures, such as

Answer 4

oral grooves.

Question 5

Some protozoa absorb food directly through the

Answer 5

cell membrane

Question 6

Parasites live on

Answer 6

fluids of their host.

Question 7

Main limiting factor for growth is

Answer 7

availability of moisture

Question 8

Predominant habitats are

Answer 8

fresh and marine water, soil, plants, and animals.

Question 9

Can survive in extremes of

Answer 9

of temperature and pH

Question 10

Many protozoa can convert to a resistant, dormant stage called a

Answer 10

cyst

Question 11

Name a structure that you will find in bacteria that is very similar to a cyst

Answer 11

Endospores because both are dormant structures