Animal Nutrition Flashcards
These animals CONSUME AUTOTROPHS.
Herbivores
What are the THREE (3) DIET CLASSIFICATIONS?
Herbivores
Carnivores
Omnivores
These animals CONSUME other ANIMALS.
Carnivores
These animals CONSUME AUTOTROPHS and other ANIMALS.
Omnivores
These animals are NOT MUTUALLY EXCLUSIVE to any of the three DIET CLASSIFICATIONS.
Opportunistic Feeders
What are the FOUR (4) classifications of FEEDING MECHANISMS?
Suspension Feeders
Substrate Feeders
Fluid Feeders
Bulk Feeders
Within this classification of FEEDING MECHANISMS, food PARTICLES are SIFTED from environment.
Suspension Feeders
Give TWO (2) examples of SUSPENSION FEEDERS.
Baleen Whales
Clams/Oysters
Within this classification of FEEDING MECHANISMS, the animal LIVES IN/ON their FOOD source.
Substrate Feeders
Give TWO (2) examples of SUBSTRATE FEEDERS.
Caterpillars
Maggots
Within this classification of FEEDING MECHANISMS the animal SUCKS NUTRIENT rich fluid from the host.
Fluid Feeders
Name FOUR (4) examples of FLUID FEEDERS.
ARTHROPODS:
• Mosquitos
• Bees
NON-ARTHROPOD:
• Hummingbirds
• Bats
Within this classification of FEEDING MECHANISMS, the animal consumes LARGE PIECES of FOOD.
Bulk Feeders
Name FIVE (5) ADAPTATIONS of BULK FEEDERS.
- ) Tentacles
- ) Claws
- ) Fangs
- ) Jaws
- ) Teeth
Give FIVE (5) examples of BULK FEEDERS.
- ) Snakes
- ) Spiders
- ) Octopus
- ) Dogs
- ) Humans
Although SPIDERS are classified as BULK FEEDERS, how can they be classified as SUSPENSION FEEDERS as well?
Their WEBS FILTER INSECTS flying through the air.
True or False: animals only require organic nutrients.
FALSE,
Animals require ORGANIC AND INORGANIC nutrients.
List FIVE (5) ORGANIC NUTRIENTS that animals require.
- ) Carbohydrates
- ) Proteins
- ) Lipids
- ) Nucleic Acids
- ) Vitamins
What INORGANIC nutrients do animals require? (2)
Water
Minerals
Why do animals require ORGANIC NUTRIENTS? (2)
Provide ENERGY
Build NEW MOLECULES
__________ energy POWERS CELLULAR PROCESSES after it is converted to ATP.
Chemical
True or False: essential nutrients are required from the diet is in their complete form.
TRUE,
ESSENTIAL NUTRIENTS are required in their COMPLETE FORM.
What are the FOUR (4) groups of ESSENTIAL NUTRIENTS.
- ) Amino Acids
- ) Fatty Acids
- ) Vitamins
- ) Minerals
True or False: animals can synthesize all amino acids.
FALSE,
Animals can synthesize MOST amino acids
How many ESSENTIAL AMINO ACIDS are required in an ANIMAL’s DIET?
8
PROTEINS in ANIMAL PRODUCTS are _________ amino acids.
Complete
PROTEINS in PLANT PRODUCTS are _________ amino acids.
Incomplete
A diet with INSUFFICIENT amounts of essential AMINO ACIDS result in __________.
Protein Deficiency
Ch.41 p.3 NOTES
This is the result of a LONG-TERM ABSENCE of essential NUTRIENTS.
Malnutrition
____________ FATTY ACIDS CANNOT be made.
Unsaturated
Ample quantities of essential FATTY ACIDS can be found in ________, _______ and _______.
Seeds
Grains
Vegetables
VITAMINS are required in _______ amounts, usually ___ to ___ per day.
SMALL
0.001 mg to 100 mg
True or False: animals can synthesize vitamins.
FALSE,
Animals CANNOT synthesize VITAMINS
________ VITAMINS are EXCRETED in URINE and _______ VITAMINS are STORED in fat tissue.
Water-soluble
Fat-soluble
MINERALS are required in ______ amounts, about ___ to ___ per day.
Small
1 mg to 2,500 mg
True or False: animals can synthesize minerals.
FALSE,
Animals CANNOT SYNTHESIZE MINERALS
What are the FOUR (4) stages of FOOD PROCESSING?
- ) Ingestion
- ) Digestion
- ) Absorption
- ) Elimination
What are the TWO (2) forms of DIGESTION?
Mechanical
Chemical
Give an example of MECHANICAL DIGESTION.
Chewing
Give an example of CHEMICAL DIGESTION.
Enzymatic Hydrolysis
DIGESTIVE ENZYMES breakdown __________, __________ and __________.
Proteins
Fats
Carbohydrates
This is DIGESTION that occurs WITHIN a CELL.
Intracellular Digestion
Ch.41 p.5 NOTES
This is when DIGESTION occurs OUTSIDE of the CELLS.
Extracellular Digestion
This is a DIGESTIVE COMPARTMENT comprised of a SINGLE OPENING seen in INCOMPLETE DIGESTIVE SYSTEMS.
Gastrovascular Cavity
This is a DIGESTIVE TUBE with TWO OPENINGS seen in a COMPLETE DIGESTIVE SYSTEM.
Alimentary Canal
What is an ADVANTAGE of a COMPLETE DIGESTIVE SYSTEM? (2)
- ) Deal with FOOD at VARIOUS STAGES
2. ) Consume LARGER PARTICLES
What FOUR (4) DIGESTIVE GLANDS secrete DIGESTIVE JUICES into the canal?
- ) Salivary Glands
- ) Gallbladder
- ) Liver
- ) Pancreas
These are waves of SMOOTH MUSCLE CONTRACTION.
Peristalsis
These are RING-LIKE MUSCULAR VALVES that REGULATE passage of MATERIALS BETWEEN COMPARTMENTS.
Sphincters
SALIVA decreased from the SALIVARY GLANDS contain the ENZYME _________.
Amylase
AMYLASE BREAKS DOWN _______ and ______.
Starch
Glycogen
The TONGUE creates ________ ready GOR SWALLOWING.
BOLUS of food
This CONNECTS the ORAL CAVITY to the ESOPHAGUS and the TRACHEA.
Pharynx
This is the FLAP of CARTILAGE that prevents food from going down the TRACHEA.
Epiglottis
This MOVES FOOD to the STOMACH by PERISTALSIS.
Esophagus
This is a SAC-LIKE organ for STORAGE and DIGESTION.
Stomach
The STOMACH can STORES up to ___ of FOOD and WATER.
2 Liters
The GASTRIC JUICES of the STOMACH contain _________ and ________.
Hydrochloric Acid (HCl) Pepsin
What is the pH of the HCl contained in the STOMACH’s GASTRIC ACID?
2
What is the FUNCTION of the HCl in the STOMACH? (4)
- ) Break Down Food
- ) Kill Bacteria
- ) Denature Proteins
- ) Activate Pepsin
PARIETAL CELLS of the STOMACH SECRETE _________ and ________.
Hydrogen (H+)
Chloride (Cl-)
The CHIEF CELLS of the STOMACH release ____________.
Pepsinogen
True or False: pepsinogen is active pepsin.
FALSE,
PEPSINOGEN is INACTIVE PEPSIN
How often is the EPITHELIAL LAYER of the STOMACH replaced?
Every 3 days
This is an ACIDIC mix of FOOD and GASTRIC JUICES.
Chyme
Ch.41 p.8 NOTES
The STOMACH CHURNS every ___ seconds.
20
CHYME released into the SMALL INTESTINE by the PYLORIC SPHINCTER ___ to ___ HOURS after a meal.
2-6 hours
The SMALL INTESTINE is composed of what THREE (3) parts?
Duodenum
Jejunum
ileum
The DUODENUM is the first ___ cm of the SMALL INTESTINE.
25
Thus secretes BICARBONATE for neutralization and ENZYMES.
Pancreas
TRYPSIN and CHYMOTRYPSIN of the PANCREAS aid in _________ digestion.
Protein
PANCREATIC AMYLASE aid in __________ DIGESTION.
Carbohydrate
PANCREATIC LIPASES aid in _______ DIGESTION.
Fat
PANCREATIC NUCLEASES aid in __________ DIGESTION.
Nucleic Acid
This is the site of BILE PRODUCTION.
Liver
This AMPHILLIC MOLECULE acts as an EMULSIFIER.
Bile
BILE ACIDS form _________.
Micelles
This organ STORES BILE and RELEASES it DURING DIGESTION.
Gall Bladder
The SMALL INTESTINE has a _________ SURFACE AREA of ____.
Large
300 meters squared
These are FINGER-LIKE extensions that INCREASE SURFACE AREA in the the SMALL INTESTINE.
Villi
MICROVILLI are made of ___________ cells.
Epithelial
SIDE BY SIDE MICROVILLI are called __________.
The Brush Boarder
Nutrients must pass though a ___________ during NUTRIENT ABSORPTION.
Plasma Membrane
How do FATS ENTER the BLOOD STREAM?
Lymphatic System
Ch.41 p.10 NOTES
True or False: most nutrients enter directly into blood capillaries.
TRUE,
MOST nutrients enter DIRECTLY into blood CAPILLARIES.
This is a SMALL POUCH of the LARGE INTESTINE for FERMENTING PLANT MATERIAL.
Cecum
WATER ABSORPTION is the main FUNCTION of this component of the LARGE INTESTINE.
Colon