Which type of nutrition is present in tapeworm?

What are outside raw materials used for by an organism?

What is common for $Cuscuta$,ticks,and leeches?

Which is the first enzyme to mix with food in the digestive tract?

Assume that you are a veterinary surgeon and you have removed a significant length of the small intestine of a bear suffering from an intestinal tumour. After its recovery,would you suggest a plant-based or a meat-based diet for the bear? Provide a reason for your answer.

The shape of guard cells changes due to change in the :