Download presentation
Presentation is loading. Please wait.
Published byHilary Bishop Modified over 9 years ago
1
Multicellular Eukaryotic Cells Some 75% or more of the oxygen in the planet’s atmosphere is actually produced by photosynthetic algae and cyanobacteria.
2
Generally consider members of the Protista kingdom Some scientists want to reclassify them as plants especially green algae Genetic studies and biochemical similarity indicate a need for reclassification of green algae.
3
Thallus- body of seaweed Blade- leaf-like flattened portions Holdfast- root-like structure that anchors thallus to substrate
4
Three types of Multicellular Seaweed 1. Green (Chlorophyta) 2. Brown 3. Red Algae
5
Sea Lettuce(ulva)& Dead Man’s Finger (codium)
6
Rockweeds (Fucus) - found Temperate Shores
7
Macrocystis- largest of the kelps- up to 100 m (330 ft) have been found Kelp forests- very biological productive
8
Irish Moss (Chrondrus) - North Atlantic Red Alga
9
Seaweeds are edible- especially red and brown
10
Agar- From Red Algae. Used in canned meats. Also, by Biologists to grow microorganisms.
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.