Long-answer questions
1. Differentiate between
(a) Ingestion and egestion
(b) Holozoic and parasitic nutrition
(c) Reticulum and abomasum
(d) Teeth of a herbivore and a carnivore
Answers
Answer:
a)The main difference between ingestion and egestion is that ingestion is the intake of food into the body whereas egestion is the elimination of wastes out of the body. Ingestion occurs through the mouth in animals. ... The elimination of wastes of the digestion occurs through the anus in animals.
b)holozoic nutrition is in which the organism engulfs the food as it is . example are mammals. parasitic nutrition is in which the organism depends upon its host for the food and takes all the necessary nutrients from the host body itself .
c)The reticulum lies against the diaphragm and is joined to the rumen by a fold of tissue. ... The reticulum is connected to the spherical omasum by a short tunnel. The abomasum is the ruminant's true or glandular stomach.
d)Carnivores and herbivores have different types of teeth, to suit the type of food they eat. Herbivores have teeth which are shaped to squash and grind plants. ... Carnivores have teeth which are shaped to slice and rip the meat they eat.
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