Author Question: What is usually responsible for a harmful algal bloom? a. Diatoms b. Viruses c. Cyanobactiera d. ... (Read 95 times)

Mr3Hunna · **on:** Aug 22, 2018

What is usually responsible for a harmful algal bloom?
a. Diatoms
b. Viruses
c. Cyanobactiera
d. Dinoflagellates

Question 2

What photosynthetic organism is found in the tissues of coral?
a. Dinoflagellates
b. Diatoms
c. Coccolithophores
d. Cyanobacteria

tjayeee · **Reply #1 on:** Aug 22, 2018

Answer to Question 1

ANS: D
A harmful algal bloom happens when high concentrations of phytoplankton begin to affect nearby
organisms in a negative way. Dinoflagellates are usually the culprits. Some make toxins within their
cells as a by-product of metabolism. This affects marine life through the natural consumption in food
webs. Information can be found in the section Most Phytoplankton are Photosynthetic Autotrophs

Answer to Question 2

ANS: A
The majority of dinoflagellates are free-living, but some are found in the tissues of other organisms.
They have whip-like flagella for minimal movement. Information can be found in the section Most
Phytoplankton are Photosynthetic Autotrophs.