Digestion Flashcards
1
Q
Autotrophs
A
Use light energy or energy from chemical reactions to make their own food, e.g. algae and some bacteria
2
Q
Heterotrophs
A
Feed on other organisms as means of acquiring energy,
3
Q
Saprobionts
A
Feed on dead or decaying matter using extracellular digestion
4
Q
Parasites
A
Feed on other living organisms (the host) where the parasite benefits but the host is harmed
5
Q
Holozoic feeders
A
Take food into body then digest it inside a specialised digestive system e.g. omnivores
6
Q
Mutualism
A
Where a close association between two species allows them both to benefit
7
Q
Peristalsis
A
The propelling of food along the alimentary canal using muscular contractions
8
Q
Mastication
A
The chewing of ingested food
