Studied by 0 peopleDigestion
________ is the process of breaking down food into molecules small enough to absorb.
Ingestion
________ is the act of eating or feeding.
Mutualistic adaptations
________ in humans have also been formed to correlate with diet.
mainly plants
Herbivores, which eat ________ and algae.
Absorption
________ is the uptake of nutrients by body cells.
process of animal
Food is taken in, taken apart, and taken up in the ________ nutrition.
Food processing
________ can be divided into four distinct stages.
simple body plans
Animals with ________ have a gastrovascular cavity that functions in both digestion and distribution of nutrients.
Elimination
________ is the passage of undigested material out of the digestive system.
Vertebrates
________ also have stomach and intestinal adaptations.
longer alimentary canals
Herbivores and omnivores generally have ________ than carnivores, reflecting the longer time needed to digest vegetation.
Essential nutrients
________ are required by cells and must be obtained from dietary sources.
intracellular digestion
In ________, food particles are engulfed by phagocytosis.
Extracellular digestion
________ is the breakdown of food particles outside of cells.
Food processing
ingestion, digestion, absorption, elimination
Simple body plan
gastrovascular cavity
Complex body plan
alimentary canal (specialized)
Dentition
an animals assortment of teeth
Herbivores and omnivores
have longer alimentary canals
Intestinal bacteria
produce vitamins
Mutualistic bacteria
digest cellulose in some animals
Note
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