Chapter 22, Problem 6STP

Summary Introduction

Introduction:

Protists includea group of organisms that are unicellular and microscopic. They have a highly organized cell that is a nucleus and specialized organelles. Amoeba, paramecium, flagellated protists are found in this group, they live in different habitats.

Answer to Problem 6STP

Correct answer:

The correct answer is option (A) they absorb nutrients from decaying organisms.

Explanation of Solution

Explanation/justification for the correct answer:

Option (A)they absorb nutrients from decaying animals. The fungilike protists like slime mold absorb nutrients from the decomposed organic matter of dead organisms. So, the correct answer is option (A).

Explanation for incorrect answer:

Option (B)they obtain nutrients by feeding on the unicellular organism. Fungi sometimes show mutualism with some bacteria. But this is not in the case of protists.So, this is an incorrect option.

Option (C)they have a symbiotic relationship with an animal host, obtaining nutrients from it. Fungi do not show symbiotic relationship except parasitic fungi. Instead, they show mutualism with other organisms like bacteria.So, this is an incorrect answer.

Option (D)they produce sugars as a nutrient source by using energy from sunlight. Fungi do not undergo photosynthesis. So, this is an incorrect answer.