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Marco Algae #2
STUDY GUIDE
| Question | Answer |
|---|---|
| Algae are divided taxonomically into different groups based on differences in | photosynthetic |
| The macroalgae are commonly known as: | seaweed |
| The color of light that penetrates seawater to the greatest depth in coastal waters is | blue |
| The depth distribution of algae is limited by | light distribution |
| The compensation depth refers to | the depth where there is enough light for photosynthesis |
| The greatest diversity of algae is found at: | tropics |
| In colder regions, some macroalgae die off in winter, but others termed ____ live for at least 2 years. | Perennial |
| What is the dominant photosynthetic pigment found in all types of algae? | chlorophyll |
| Photosynthetic pigments of algae are found in cells within: | chloroplast |
| All of the following photosynthetic pigments are found in red algae except: | fucoxanthin |
| Excess sugars stored by high-latitude algae can | antifreeze |
| Some algae utilize calcium carbonate to | deter herbivores |
| Fragmentation is a type of ____ for drift algae, like Sargassum. | Asexual |
| When two or more separate multicellular algae stages occur in succession during the life cycle, we call this: | alternation of generations |
| Which of these groups of algae could you potentially find in a high mountain lake? | Green |
| The phylum of green algae is: | chlorophyta |
| Those green algae that have large cells with multiple nuclei are termed: | coenocytic Large Cell small nuclei. Nucleus keeps repeating no cell division |
| The marine macrophyte group with the highest number of species is: | red algae |
| The following are all main points of the article Seaweeds and Medicine, except: | it’s extremely expensive to extract substances from seaweed. |
| Coralline red algae have an outer covering made of: | calcium carbonate |
| The haploid stage of the red algae life cycle is called: | gametophyte stage |
| the diploid stage of the red algae life cycle is called | sporophyte stage |
| The carposporophyte: | remains in the female gametophyte |
| Red algae are important to biomedical/microbiological laboratories due to the algal production of: | agar phaeophyta |
| Brown algae belong to the phylum | phaeophyta |
| All the following photosynthetic pigments are found in brown algae except | phycocyanins |
| Brown algae can reach up to ____ meters in length. | 100m |
| Brown algae are most diverse and abundant along coastlines ____. | Temperate regions |
| Most brown algae start life attached to rocks; a notable exception is: | sargassum |
| Rockweed has eliminated the ____ life stage. | Gametophyte stage |
| In the giant kelp the large thallus is the ____ life stage. | Sporophyte stage. |
| This structure can grow >50 m long in kelp | stipe (stem) |
| Which of the following is false about Sargassum? | Is not a PHODOPHYTE |
| ____ is an important food additive that is obtained from giant kelp | alginate |
Created by:
Johnsonnatalie