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MB Ch 5 (1st Half) 2 Of 3

Test Description: Marine Bio BMCHS

Instructions: Answer all questions to get your test result.

1) Some bacteria can ___________________, which no other organisms can do

Aphotosynthesize Bfix inorganic carbon into organic carbon compunds Cfix inorganic nitrogen into organic nitrogen compunds Dlive near volcanoes

2) Cyanophytes are crucial to life because scientists think that

ACyanophytes convert carbon dioxide into nitrogen BCyanophytes are blue green CPhotosynthesis evolved in cyanophytes DCyanophytes are old

3) Cyanophytes are crucial to life because scientists think that

ACyanophytes convert carbon dioxide into nitrogen BCyanophytes are blue green CCyanophytes are old DCyanophytes created the oxygen in the atmosphere

4) Taxonomists define algae as those organism that

Aloosely fit the term Bbelong in one of the seven specific phyla in Kingdom Protista Chave chlorophyoll and are not plants Dloosely fit the term and belong in one of the seven specific phyla in Kingdom Protista

5) ______________________ make up phylum Bacillariophyta

ABacteria BDinoflagellates CDiatoms DProkaryotes

6) Diatoms account for ________________ of the photosynthetic biomass on Earth

A99% B25% C50% D10%

7) ____________________ make up phylum Dinophyta

ADinoflagellates BProkaryotes CBacteria DDiatoms

8) Genus Symboiodium is important to coral reefs because it lives inside coral polyp and provides coral with food via photosynthesis

Atrue Bfalse

9) Chlorophyll a is a pigment

Athat has no role in photsynthesis Bfound only in cyanophytes Cthat is directly involved in photosynthesis Dthat assists chlorophyl b to capture light

10) Red algae can live deeper than other algae because they produce cellulose which resists water pressure better

Afalse Btrue

*select an answer for all questions

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