1. Why do herbivores need a lot of bacteria within the caecum?
- Because herbivores cannot digest cellulose on their own, they need cellulase to digest it
- The bacteria break down proteins
- The bateria produce a lot of acid, providing the optimum conditions for enzymes
- The herbivore cannot digest the lignin in plant cell walls, so the bacteria contain ligase to digest it
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Other questions in this quiz
2. Why do humans have a gut of intermediate length between carnivores and herbivores?
- Humans are omnivores (eat both meat and plant material)
- The human gut is more efficient than a herbivore gut
- Humans do not need to digest cellulose
- Carnivores and herbivores can regurgitate their food it needs to digest it further
3. What difference is there between the guts of carnivores and herbivores?
- Carnivores have a longer small intestine than herbivores
- The carnivore gut is much shorter than the herbivore gut
- Carnivores have a larger caecum than herbivores
- Herbivores have a duodenum, carnivores do not
4. Where in the human gut does absorption take place?
- Stomach, small intestine and large intestine
- Small intestine and large intestine
- Mouth and large intestine
- Large intestine
5. What are the two different types of insect life cycles?
- Exopterygota metamorphosis and Endopterygota metamorphosis
- Incomplete metamorphosis and complete metamorphosis
- Complete metamorphosis and developing metamorphosis
- Irregular metamorphosis and regular metamorphosis