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Though some bacteria are disease-producing agents (pathogenic) that attack human beings, other animals and/or plants, most are …
Though some bacteria are disease-producing agents (pathogenic) that attack human beings, other animals and/or plants, most are …
beneficial
All cyanobacteria, formerly called …, contain chlorophyll, which enables them to carry out Photosynthesis
All cyanobacteria, formerly called …, contain chlorophyll, which enables them to carry out Photosynthesis
blue green algae
whip-like motion of long hair-like structures known as …
whip-like motion of long hair-like structures known as …
flagella
others like Paramecium bear many shorter hair-like structures called … .
others like Paramecium bear many shorter hair-like structures called … .
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a complex flowing motion in which the cell constantly changing shape, sends out extensions called … or false feet into which the rest of the cell contents flow.
a complex flowing motion in which the cell constantly changing shape, sends out extensions called … or false feet into which the rest of the cell contents flow.
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fungi, like animals, must obtain their food in an already synthesized form from outside, but unlike animals, they cannot … this food but only can … it.
fungi, like animals, must obtain their food in an already synthesized form from outside, but unlike animals, they cannot … this food but only can … it.
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Brown and Red Algae are primarily ... (live only in sea water) and are commonly known as SEAWEEDS
Brown and Red Algae are primarily ... (live only in sea water) and are commonly known as SEAWEEDS
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Green algae are relatively simple plants that live only in water or in very … environments on land.
Green algae are relatively simple plants that live only in water or in very … environments on land.
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Of these 3 groups (The Ferns, the Gymnosperms, and the Angiosperms), … are the most primitive.
Of these 3 groups (The Ferns, the Gymnosperms, and the Angiosperms), … are the most primitive.
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Of many characteristics that distinguish the animals from the plants and fungi we shall here mentioned but two;
First: Animal cells lack a rigid …
Second: The principle mode of nutrition in animals is … of food; most plants, by contrast depend on … and most fungi on … .
Of many characteristics that distinguish the animals from the plants and fungi we shall here mentioned but two; First: Animal cells lack a rigid … Second: The principle mode of nutrition in animals is … of food; most plants, by contrast depend on … and most fungi on … .
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All echinoderms are strictly … ; they have apparently never been able to invade either the freshwater or the terrestrial habitats
All echinoderms are strictly … ; they have apparently never been able to invade either the freshwater or the terrestrial habitats
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A major subgroup called the VERTEBRATES comprises all animals possessing an …, particularly a … .
A major subgroup called the VERTEBRATES comprises all animals possessing an …, particularly a … .
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