Red Algae share the characteristics of ___________ (mechanism of nutrition) and

Question

Red Algae share the characteristics of ___________ (mechanism of nutrition) and the photosynthetic pigment _______ with Green Algae as it does with other alga. However they so not share the characteristics of _________ (a photosynthetic pigment) specifically for the green algae group named ___________ structural and functional similarities with modern plants.

heterotrophy – chlorophyll b, chlorophyll b – Spirogyra.

Carrageenan – fucoxanthin, chlorophyll a -- Laminaria

autotrophy – chlorophyll a, chlorophyll b – Charophyta.

phycocyanins – phycoerythrin, chlorophyll a – Chloropyta.

Diatoms and Brown Algae are both ______. But are grouped in a common clade because of the similarity of their ______ and this structure’s ____-like projections when present.

Photosynthetic – flagella – hair-

Brown or golden – photosynthetic structures – amoeba-

autotrophic – body forms --  pennate or centric-

Question 7

Amoebozoans include both _________ and __________. The second group was once classified as __________. But are now placed in this clade because among other characteristics they are __________ (mechanism of nutrition) like amoeba.

Red algae and Green algae – plants autotrophic

Zygomycota and Ascomycota – fungi -- heterotrophic

Slime Molds and Oomycetes – fungi -- heterotrophic

Amoebae and Slime Molds (mycetozoans) – fungi and animals – phagotrophic.

Question 8

The clade Euglenozoa includes organisms such as Trypanosoma and ________ a common type of structure for locomotion.

Euglena with a flagellum

Paramecium with cilia

Plankton in fresh water or oceans

The vertebrae hosts of these organisms

Question 9

Table 1 on p. 63 outlines four Supergroups, of which one is the Alveolates. Identify two groups within the Alveolates and their shared common characteristics.

2. Formaniniferas and Radiolarians with a test shell

1.Ciliates and Dinoflagellates with alveoli sacs below the cell membrane

4. Euglena with flagella for locomotion

3. Red and Brown algae with air sacks for flotation

heterotrophy – chlorophyll b, chlorophyll b – Spirogyra.

Carrageenan – fucoxanthin, chlorophyll a -- Laminaria

autotrophy – chlorophyll a, chlorophyll b – Charophyta.

phycocyanins – phycoerythrin, chlorophyll a – Chloropyta.

Explanation / Answer

Red Algae share the characteristics of autotrophy (mechanism of nutrition) and the photosynthetic pigment chlorophyll a with Green Algae as it does with other alga. However they so not share the characteristics of chlorophyll b (a photosynthetic pigment) specifically for the green algae group named charophyta structural and functional similarities with modern plants.

The correc toption is...................3. autotrophy – chlorophyll a, chlorophyll b – Charophyta.

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