Question :
The scavengers of earth are:
Option 1:
Bacteria
Option 2:
Viruses
Option 3: Algae
Option 4: Fungi
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Correct Answer:
Solution : The correct answer is Bacteria.
Bacteria are ecosystem scavengers because Saprotrophic Bacteria help in the decay and decomposition of dead plants and animals. Bacteria are heterotrophs, which means they must obtain energy from other species. They are placed under Monerans in five kingdom classification.
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Which of the following is the basic characteristic of a living organism?
Ability to breathe
Ability to reproduce
Option 3:
Ability to move
Option 4: Ability to eat
Animals with Chitinous exoskeletons are:
Insects
Sponges
Option 3: Sea urchin
Option 4: Snails
An eardrum is absent in:
Snakes
Turtle
Option 3: Tuatara
Option 4: Toads
Nematocysts are present in:
Starfish
Ascaris
Option 3: Centipede
Option 4: Sea anemone
Bryophytes are often called amphibian plants because they:
appear like frog
are found both in water and on land
Option 3: do not have habitat preference
Option 4: can eat insects
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