Exam 22: The Algae

______ have virtually indestructible shells of glass which have been used industrially for their polishing,filtering,and reflective properties.

This dinoflagellate species is stimulated to producing toxins after consuming fish feces.The skin of fish affected by the toxin is destroyed and the affected fish die within hours after exposure to the toxin.This dinoflagellate species is

______ can be used as soil additive since it can act like a field of broken glass to discourage some microscopic garden pests.

The unicellular algae that cause "Red Tides" are known as _______.

Based on genetic studies,the living genus of algae that most closely resembles the evolutionary ancestor of land plants is

In the life cycle of brown algae,meiosis specifically occurs in

You discover a flagellated single-celled organism living in a freshwater pond.It has a greenish color,a pellicle,and a large red eye spot.You have discovered a

You discover a single-celled organism living in a tide pool encased within a glassy wall-like shell.It has a centric shape.You have discovered a

Dinoflagellates only occur in marine environments.

Spirulina,now a dietary protein supplement,was first grown in shallow ponds by the Aztecs.

Which group of algae can be differentiated into a holdfast,stipe,and blade?

You discover a single-celled organism living in a freshwater pond.It is covered in cellulose plates and has two flagella.You have discovered a

Agar is derived from ______ and is used as a growth medium for microorganisms.

Which of the following is a neurotoxin produced by members of the Cyanobacteria?

This organism first appeared in the fossil record 3.5 billion years ago and has phycobillin accessory pigments.This organism is a

How do red algae differ from green and brown algae?

Invasive species usually have low reproductive rates.

All of the following correctly pair up an organism with a unique structure or compound is possesses except one.Choose the exception.