On a weather map, isobars that indicate strong winds.

a. are far apart

b. are part of a loop

c. are close together

d. cross one another

The isobars that are close to each other indicate strong winds

Explanation:

The isobars that are close to each other indicate strong winds. The gap or spacing between two adjacent isobars represent the pressure difference between them.  lower the gap between then higher is the chances of pressure difference. Therefore when two isobars are very close to each other then strong wind prevail due to movement of air to fill vaccum space

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.

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explanation: