Multiple Choice
Dictyostelium discoideum is an unusual organism,one that straddles the boundary between the unicellular and the multicellular.Its feeding phase consists of individual amoeba-like cells that move independently,feeding on bacteria by phagocytosis.When the food runs out,cells begin to aggregate into a multicelled structure that migrates toward light.The cells differentiate into a base,stalk,and spores; only the spores survive to colonize a new habitat.What is the advantage of forming spores?
A) The spores will eat the other cells
B) The spores are photosynthetic
C) Spores are smaller and can be transported to new habitats
D) Spores can mate with other species
E) Spores have flagella and can swim to new habitats
Correct Answer:

Verified
Correct Answer:
Verified
Q31: A dinoflagellate has both a transverse flagellum
Q34: Sponges:<br>A)Are the simplest animals<br>B)Are plants<br>C)Are the most
Q35: Figure 17.21 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4115/.jpg" alt="Figure 17.21
Q36: Cryptosporidium is an apicomplexian that can contaminate
Q37: Entamoeba histolytica can cause amoebic dysentery.It moves
Q40: The microscopic food that supports the ocean's
Q42: As more CO<sub>2</sub> is released into the
Q43: A jellylike substance produced by red marine
Q44: Dictyostelium discoideum is an unusual organism,one that
Q66: Protists can be autotrophs.