Answer:
Rotifers are specialists at living in habitats where water dries up regularly.
The Monogononta, which have males, produce fertilised 'resting eggs' which can resist desiccation (drought) for long periods.[11]
The Bdelloids, who have no males, contract into an inert form and lose almost all body water, a process known as cryptobiosis. Bdelloids can also survive the dry state for long periods: the longest well-documented dormancy is nine years. After they have dried, they may be revived by adding water. In this, and several other ways, they are a unique group of animals.[12]
Explanation:
The front has a ring of cilia circling the mouth. This gave the rotifers their old name of "wheel animalules". There is a protective lorica round its body, and a foot. Inside the lorica are the usual organs in miniturised form: a brain, an eye-spot, jaws, stomach, kidneys, urinary bladder.
Rotifers have a number of unusual features. Biologists suppose that these peculiarities are adaptations to their small size and the transient (fast changing) nature of its habitats.
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Answer:
4 different types of protective enclosures for microorganisms is discussed below in details.
Explanation:
- Microbes or Microorganisms are microscopic organisms that survive as multicellular, unicellular, or cell groups.
- Microorganisms are comprehensive in the environment and are advantageous to live, but some can generate dangerous impairment. They can be classified into four significant types: bacteria, fungi, protozoa, and viruses.
C) Sexual reproduction involves one parent organism, while asexual involves two parent organisms.
