Question

Which of the following protists are autotrophic. Select all that apply. Partial credit will be given.

Question 8 options:

Paramecium


brown algae


radiolarian


red algae


slime mold


green algae

Answer 1

The autotrophic protists from your list are:

1. **Brown algae** - These are multicellular and contain chlorophyll, allowing them to photosynthesize.
2. **Red algae** - They are also photosynthetic and contain pigments that allow them to capture light energy.
3. **Green algae** - This group is primarily autotrophic and includes many freshwater and marine species that perform photosynthesis.

The other options—**Paramecium** (which is heterotrophic), **radiolarian** (which are also mostly heterotrophic), and **slime mold** (which is heterotrophic as well)—are not autotrophic.

So, the correct answers are:

- Brown algae
- Red algae
- Green algae