Question

Fill in the blanks using the words given in the box
egestion pseudopodia proboscis gizzard digestion
1. The process of breaking down complex food into simpler soluble forms is called
2. Undigested food is removed from the body of an organism by a process called
3. A butterfly uses a tubular structure called a
to suck nectar from flowers.
4. During digestion in birds, seeds are ground in a part of the stomach called the
5. Amoeba uses
to engulf food.​

Answer 1

1. digestion.
2. egestion.
3. proboscis
4. Gizzard
5. Endocytosis

Explanation:

1. The process of breaking down of complex food substances into simpler forms is known as digestion.
2. Egestion is the act or process of voiding or discharging undigested food as faeces. To egest means to discharge undigested material or food.
3. It is called a proboscis and is a long flexible tube like straw that is the butterfly's tongue. The butterfly uses the proboscis to drink nectar and when it is not in use it curls back into a spiral.
4. in many birds, the hind part of the stomach, especially modified for grinding food. Located between the saclike crop and the intestine, the gizzard has a thick muscular wall and may contain small stones, or gastroliths, that function in the mechanical breakdown of seeds and other foods.
5. Egestion is the act or process of voiding or discharging undigested food as faeces. To egest means to discharge undigested material or food.