Explanation

 In a vertebrate, a reflex action is induced by a sensory nerve. 

A sensory nerve detects the stimulus, which triggers the signal to the spinal cord, leading to the motor neuron response in a reflex action. 

Explanation

Explanation

 Phylum Chordata is divided into three subphyla.

• Urochordata (Tunicata)
• Cephalochordata
• Vertebrata 

Explanation

 Ostia are small pores on the sponge's body that allow water to flow in, leading to the central cavity called the spongocoel. 

Explanation

The exoskeleton of coelenterates is made of Calcium carbonate. 

Coelenterates like corals primarily have exoskeletons composed of calcium carbonate

Explanation

 Halophiles are archaea that thrive in extremely salty environments like the Dead Sea,

So they are the most prevalent type of archaea found there

Explanation

Explanation

The word zoology comes from the Greek words "zoon" (meaning animal) and "logos" (meaning study).

So, zoology means the study of animals in Greek origin.

Explanation

Seahorse is a true fish; it has gills, fins, and lives in water.

Jellyfish, cuttlefish, and starfish are not true fish despite their names.

Explanation

Herbivores: These animals eat only plants.

The word "herbivore" comes from the Latin words "herba" (meaning plant) and "vorare" (meaning to eat).

Detritivores: These animals eat decaying organic matter.

Omnivores: These animals eat both plants and animals. 

Carnivores: These animals eat only meat.