All of the above
all options are related to the explanation of aids
Hydra and Obelia are cnidarians (species of aquatic organisms) that belongs to the Class Hydrozoa.
Several ways in which Obelia differs from Hydra are;
- Hydra is a predative species that lives on substrates such as wood, while Obelia is a colonial species that lives as polyps on branched frameworks.
- Hydra is found in freshwater habitats, while Obelia is found in marine habitats.
- Hydra undergoes the medusa form in its life cycle, while Obelia undergoes the two forms (polyp and medusa) in its life cycle.
- Hydra has great regenerative powers while Obelia does not have great regenerative powers.
Answer:
The correct answer will be option-1
Explanation:
Hypothyroidism is a condition caused due to the low amount of production of thyroxine hormone from the thyroid gland.
The thyroxine hormone plays an important role in maintaining the metabolism of the body and thus the low amount of thyroxine slows down the metabolism.
In the given condition, the thyroxine although lower down the metabolic rate but it is not involved with increased pulse rate, a gain of the weight but not tachycardia. The muscle cramping is caused by the hypocalcemia.
Since the low thyroxine level show response by having dry, sparse hair and intolerance to cold, therefore, option-1 is the correct answer.
<span>Flagellates have long flagella, or tails. ...Other protists have what are called transient pseudopodia, which are like temporary feet. ...The ciliates are protists that move by using cilia. ...<span>The sporozoans are protists that produce spores, such as the toxoplasma.</span></span>
