Question

(a) What is common for Cuscuta, ticks and leeches?
(b) Name the substances on which the following enzymes act in the human digestive system
(i) Trypsin
(ii) Amylase
(iii) Pepsin
(iv) Lipase
(c) Why does absorption of digested food occur mainly in the small intestine?

Answer 1

Explanation:

The common thing in cuscuta, ticks and leeches is that they all are parasites. They derive their nutrition from other organisms without killing them. The organism from which they derive their nutrition is called host. ... Cuscuta is a genus of about 100-170 species of yellow, orange, or red (rarely green) parasitic plants

Answer 2

Answer:

Explanation:

The common thing in cuscuta, ticks and leeches is that they all are parasites. They derive their nutrition from other organisms without killing them. The organism from which they derive their nutrition is called host. ... Cuscuta is a genus of about 100-170 species of yellow, orange, or red (rarely green) parasitic plants