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Question
Which of the following is the connecting link between plants and animals?
Which of the following is the connecting link between plants and animals?
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Solution
The correct option is C Euglena
Organisms in Euglenophyta, such as Euglena, have both autotrophic and heterotrophic (holozoic) mode of nutrition. In the presence of sunlight, it carries out photosynthesis. In the absence of sunlight, it adopts heterotrophic (holozoic) mode of nutrition. Hence, it is the connecting link between plants, as they photosynthesize, and animals, as they have holozoic mode of nutrition.
Slime moulds have saprophytic mode of nutrition. Paramecium and Amoeba have holozoic mode of nutrition.
Organisms in Euglenophyta, such as Euglena, have both autotrophic and heterotrophic (holozoic) mode of nutrition. In the presence of sunlight, it carries out photosynthesis. In the absence of sunlight, it adopts heterotrophic (holozoic) mode of nutrition. Hence, it is the connecting link between plants, as they photosynthesize, and animals, as they have holozoic mode of nutrition.
Slime moulds have saprophytic mode of nutrition. Paramecium and Amoeba have holozoic mode of nutrition.
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