Term
| What are the three diets of animals? |
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Definition
Herbivores
Carnivores
Omnivores |
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Term
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Definition
Plant eaters
cattle, snails, sea urchins |
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Term
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Definition
Meat Eaters
Lions, hawks, spiders |
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Term
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Definition
Eats both plants and other animals
humans, roaches, raccoons, crows |
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Term
| What are ways animals obtain and ingest their food? |
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Definition
-Suspension feeding-Tube worm
-Substrate feeding- Caterpillar
-Fluid feeding- Mosquito
-Bulk feeding- Gray heron |
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Term
| What are the four ways in which food is processed? |
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Definition
-Ingestion
-Digestion
-Absorption
-Elimination |
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Term
| What are the reasons Mechanical digestion breaks food down into smaller pieces? |
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Definition
-Small pieces are easier to swallow
-Smaller pieces have more surface area exposed to digestive fluids |
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Term
| Chemical digestion breaks down large organic molecules into their components |
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Definition
-Proteins split into amino acids
-Polysaccharides and disaccarides into monosaccharides
-Nucleic acids into nucleotides |
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Term
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Definition
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Term
Most animals digest food in compartments
(so we don't digest ourselves..) |
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Definition
-Enzymes break down the food
-Food particles move into cells lining the compartment
-Undigested materials are expelled |
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Term
| Most animals have an alimentary canal with: |
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Definition
-Mouth
-Anus
-Specialized regions |
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