Can you clarify the question
Answer:
b. help retain moisture in terrestrial habitats
Explanation:
Arthropods such as cockroach, centipedes, spiders, crab are the members of the largest phylum Arthropoda. These are animals with paired jointed legs and their body is covered with an exoskeleton made of chitin. They live in diversified habitat and exoskeleton helps to retain moisture in theterrestrial habitats.
Similarly mollusks such as sepia, snail are soft bodied animal whose body is covered with calcareous shell as a protection and to retain moisture while living on land.
Polysaccharides
Hope that helps!
Answer: it stimulates the pancreas and the liver to produce secretions.
There are a lot of hormone in making a good digestion and is responsible in the process to function properly. Secretin stimulate bicarbonate (base) from the liver and pancreas to promote normal growth and maintenance of the pancreas. It also counteracts the blood glucose that triggers the increase of insulin release and oral glucose intake. It also reduce the gastric juice secreted by the stomach along the digestion.
