Unit 4

Question 1

Suspension/filter feeders

Answer 1

filter/sift food particles from water

Question 2

Substrate feeders

Answer 2

live in food source and eat as they burrow

Question 3

Deposit feeders

Answer 3

Eat their way through dirt ie. earth worms

Question 4

Bulk feeders

Answer 4

eat large pieces of food using adaptations such as claws, teeth, pincers, fangs, etc.

Question 5

Transpiration

Answer 5

loss of water vapor from leaves

Question 6

guttation

Answer 6

the exudation of water droplets that can be seen in the. morning on the tips of grass blades or the leaf margins of some small herbaceous …

Question 7

Transportation routes in a plant cell

Answer 7

transmembrane, symplastic, apoplastic

Question 8

Autotroph: Photo-autotroph, chemo-autotroph

Answer 8

light, inorganic chemicals

Question 9

Heterotroph: photo-heterotroph, chemo-heterotroph

Answer 9

light, organic compounds

Question 10

Ruminants

Answer 10

Rumen, reticulum, omasum, abomasum

Question 11

Mechanical digestion

Answer 11

mastication (chewing), peristalsis (wave like muscular action), churning (muscular contractions, stomach), segmentation (peristalsis in segments)

Question 12

Xerostomia

Answer 12

dry mouth

Question 13

bolus

Answer 13

Masticated food and salivary fluids

Question 14

Ileoceral valve

Answer 14

regulates passage of waste material into colon

Question 15

Muscles that help with mechanical action- churning

Answer 15

longitudinal, circular, oblique

Question 16

protease

Answer 16

breaks down proteins

Question 17

Small intestine

Answer 17

Duodenum (intestional digestion), jejunum (absorption), ileum (absorption)

Question 18

Pancreatic secretions

Answer 18

bicarbonate(neutralizes acid chyme), proteases (enzymes that break down proteins), lipase (breaks down fats)

Question 19

Artery

Answer 19

blood away from heart, thick walls

Question 20

Veins

Answer 20

blood to heart, thin walls

Question 21

Systole

Answer 21

phase of contraction

Question 22

Diastole

Answer 22

phase of relaxation

Question 23

Systolic blood pressure

Answer 23

force exerted by blood on arterial walls during ventricular contraction 120mmHg

Question 24

Diastolic blood pressure

Answer 24

the force exerted on arterial walls during ventricular relaxation ~ 80mmHg

Question 25

Cardiac output

Answer 25

Volume of blood per minute pumped by the left ventricle to the systemic circulatory system

Question 26

Heart rate

Answer 26

number of beats per minute: 70 BPMs is normal for an average healthy male at rest

Question 27

stroke volume

Answer 27

amount of blood pumped by ventricles ~ 75ml

Question 28

Pulse pressure

Answer 28

the difference between systolic and diastolic blood pressure

Question 29

pulse

Answer 29

alternate expansion and recoil of arteries with each systole of the left ventricle