Algae

Question 1

Spores

Answer 1

Tiny, sometimes microscopic seed like structures utilizes for reproduction by some species of algae.

Question 2

Cell division

Answer 2

A reproductive method used by some species of algae.

Question 3

Fragmentation

Answer 3

A reproductive method used by some forms of algae where large pieces of the algae break off from the parent material, move to a new location, and begin to grow.

Question 4

Planktonic Algae

Answer 4

Single-celled algae found in ponds, reservoirs, and along lake shores. Plankton blooms can be dangerous and are often distinguished by a change in color at the water surface. Often indicates that a lake or pond is polluted with excess nutrients like nitrogen or phosphorus. Ex. Microcystis (blue-green algae, green algae)

Question 5

Filamentous Algae

Answer 5

Algae composed of long cells attached end to end to form threads. Threads are often long and intertwined, forming mats on the bottom or the surface of the water. Found in ponds, lakes, and slow moving water. Ex. Spirogyra spp.

Question 6

Macrophytic Alage

Answer 6

Algae that are large and resemble vascular plants that attach to the bottom of a water body. The two most common types are Chara and Nitella, both of which usually indicate clean water.

Question 7

Problems caused by algae

Answer 7

• Dying algae can de-left nutrients like dissolved oxygen and suffocate fish
• out of control algae can clog distribution lines, intakes, sprinkler heads, other equipment
• foul odors
• ca cause foul tasting water from treatment facilities

Question 8

Benefits of algae

Answer 8

• Cover for fish

- food for fish and waterfowl