Distribution of Protists

1.

2.

3.

1. moist terrestrial habitats

2. planktonic - free floating in lakes/oceans

3.  some parasitic in humans and animals

Link in food chain

part of plankton in aquatic habitats

Structure of Protists

1

2

3

1. Plasma membrane, sometimes cell wall

2. endoplasm - fluid area inside ectoplasm

3.  ectoplasm - gelatinous area immediately under plasma membrane