Extracellular, simple digestive system
extracellular, complex, complete digestive system
Extracellular, complex, incomplete digestive system
Intracellular, with the food being engulfed by a single cell
Heterotrophs cannot make their own food, autotrophs can make their own food.
Autotrophs cannot make their own food, heterotrophs can make their own food.
Heterotrophs can make their own food using chemical energy, autotrophs can make their own food using light energy.
Heterotrophs can make their own food using light energy, autotrophs can make their own food using chemical.
1 kcal = 1000 gcal
1000 kcal = 1 gcal
10 kcal = 1 gcal
10 gcal = 1 kcal
Fats are the only course of energy in the diet.
Fats are the only source of vitamins in the B complex and vitamin C
Only fats can provide a source of water in the diet by metabolic breakdown of the lipid molecules
Fats in the diet contain essential fatty acids and carry fat-solutble vitamins
fats and oils (lipids)
Cannot make their own food while heterotrophs can.
Can make their own food while heterotrophs must have an outside supply of organic materials.
do not require minerals while heterotrophs do require an outside source of minerals.
Equire minerals while heterotrophs do not require an outside source of minerals
A nutrient that is found in all foods regardless of composition
A nutrient that is not made in the body and must be supplied in the diet
A nutrient that contains aromatic essential oils for flavor
None of the above are correct.
25% N (nitrogen), 10% P (phosphorous), 3% K (potassium)
25% useable nitrogen, 10% nonusable nitrogen, 3% inert filler
25% total nitrogen, 10% useable nitrogen, 3% inert filler
25% P (phosphorous), 10% N (nitrogen), 3% K (potassium)
Liquid such as blood or hemolymph
A vessel that carries only deoxygenated blood
A vessel that carries only oxygenated blood
A vessel that carries blood away from the heart
A vessel that carries blood toward the heart
Excess fat in the diet.
Valves become incompetent and allow blood to pool in the vein, causing the vein to dilate permanently
High blood pressure causes the vein to dilate
Excess salt in the diet
Recieve blood from the lungs
Recieve blood from the body
Pump blood to the lungs
Pump blood to the body
Store blood for emergency use
Prevent backflow of blood
Direct blood to the appropriate vessel at branch points in the circulatory system
to cut off blood flow to injured parts of the body
2 atria and 2 ventricles
1 atrium and 2 ventricles
2 atria and 1 ventricle
1 atrium and 1 ventricle
Systole is the higher blood pressure caused by the contraction of the heart; diastole is the lower pressure when the heart relaxes
Systole is the lower blood pressure when the heart relaxes; diastole is the higher blood pressure caused by the contraction of the heart
Systole is the chest pressure caused by infilling the lungs due to inhalation; diastole occurs when air is exhaled.
responses to stress on skeletal muscles measuring the ability of the muscles to contract and relax with each heartbeat
Bundle of His
Left atrial wall
Sinoatrial node in the right atrium
Carbon dioxide; water and minerals
Water; carbon dioxide
A mechanism for photosynthesis to occur
A mechanism for transfer of materials between above ground below ground parts of the plant
A mechanism to collect water
A mechanism to support the plant
Transports water and minerals in a plant.
Is composed of cells that are dead a maturity
Is the only tissue in a plant in which photosynthesis occurs.
Xylem is under negative (inward) pressure
Xylem is under positive (outward) pressure
Aphids do not require energy to feed on plant sap
Cut flowers will not wilt if no water is provided to them