Pseudopods are used by amoebas for locomotion. A. True B. False QUESTION 22 Golden, brown and green algae are photosynthetic A. True B. False QUESTION 23 What is the primary ecological role of prokaryotes? A. parasitizing eukaryotes, thus causing diseases B. Breaking down organic matter and recycling of nutrients C. adding methane to the atmosphere QUESTION 24 The protist that causes malaria has the folloving characteristics EXCEPT. A. Apicomplexan B. obligate parasite C. transmitted by mosquitos D. Autotroph QUESTION 25 plants have stem vascular bundles arranged in a ring A. Monocot B. Diacot/ Eudicot.