Test 2

Question 1

Horseshoe crabs are members of…

*subphylum chelicerata and class merostomata
*subphylum chelicerata and class malacostraca
*subphylum crustacea and class merostomata
*subphylum crustacea and class malacostraca

Answer 1

subphylum chelicerata and class merostomata

Question 2

Which of the following is not true of centipedes?

*are agile and carnivorous
*two pair of legs per body segment
*in the class chilopoda
*are an arthropod
*are an animal

Answer 2

two pair of legs per body segment

Question 3

Ecdysis in arthropods refers to their…

*feeding
*reproduction
*molting
*respiration
*sensory system

Answer 3

molting

Question 4

What does a spider use its pedipalps for?

*spinning silk
*injecting venom
*walking
*handling food

Answer 4

handling food

Question 5

Which are the correct terms for an insect such as a butterfly that has four developmental stages - egg, larva, pupa, and adult, with metamorphosis from the larval stage to an adult?

*direct development and complete metamorphosis
*indirect development and complete metamorphosis
*direct development and incomplete metamorphosis
*indirect development and incomplete metamorphosis
*completely indirect development by directly incomplete metamorphosis

Answer 5

indirect development and complete metamorphosis

Question 6

Which arthropod has two pair of antennae?

*butterfly
*spider
*millipede
*crayfish
*scorpion

Answer 6

crayfish

Question 7

what is the primary purpose of the endostyle that is one of the characteristics of members of phylum chordata such as amphioxus?

*provide support to the body
*conduct nerve impulses
*protect the body as tough covering
*trap food with mucous and regulate iodine metabolism
*sense chemicals in the environment

Answer 7

trap food with mucous and regulate iodine metabolism

Question 8

what structure in chordates develops into structures such as the middle ear, eustachian tube, and tonsils?

*notochord
*pharyngeal gill slits
*coccyx
*endostyle
*tunic

Answer 8

pharyngeal gill slits

Question 9

which chordate is a member of subphylum urochordata?

*mammals
*tunicates
*lamphrey
*amphioxus
*all of these

Answer 9

tunicates

Question 10

In the functioning of the urinary bladder to allow micturition or urination, where is voluntary skeletal muscle located?

*in the bladder’s wall
*in an internal sphincter or valve at the bottom of the bladder’s interior
*in an external sphincter or valve at the very bottom of the bladder
*in all three of these places

Answer 10

in an external sphincter or valve at the very bottom of the bladder

Question 11

Which form of nitrogen do fish secrete?

*ammonia
*uric acid
*amino acids
*urea

Answer 11

ammonia

Question 12

A primary location we noted that aquaporins are found to allow movement of water in urine production is…

*the descending loop of henle
*the ascending loop of henle
*the distal convoluted tubule
*the vasa recta

Answer 12

the descending loop of henle

Question 13

The primary structure that maintains the osmotic gradient of the kidney by picking up and removing water deposited in the medulla of the kidney is the…

*aquaporins
*loop of henle
*vasa recta
*distal convoluted tubule
*the collecting duct

Answer 13

vasa recta

Question 14

which of the following lists the four steps of kidney functioning in the correct order?

*glomerular filtration, tubular secretion, water excretion, tubular reabsorption
*glomerular filtration, tubular reabsorption, water excretion, tubular secretion
*tubular secretion, glomerular filtration, tubular reabsorption, water excretion
*tubular secretion, tubular reabsorption, water excretion, glomerular filtration
*water excretion, glomerular filtration, tubular secretion, tubular reabsorption

Answer 14

glomerular filtration, tubular reabsorption, water excretion, tubular secretion

Question 15

which animal is known as an osmotic conformer in regulating its water and osmotic concentration?

*marine invertebrates
*marine fishes
*freshwater invertebrates
*freshwater fishes
*terrestrial animals

Answer 15

marine invertebrates

Question 16

The exchange of heat between an organism and the environment by electromagnetic waves through still air is referred to as…

*conduction
*convection
*evaporation
*precipitation
*radiation

Answer 16

radiation

Question 17

which layer of a mollusk shell is a smooth mother-of-pearl to protect its soft body?

*prismatic
*nacreous
*sclera
*periostracum

Answer 17

nacreous

Question 18

which class of phylum mollusca is the most diverse in number of species and has some terrestrial forms?

*cephalopoda
*bivalvia
*polyplacophora
*gastropoda

Answer 18

gastropoda

Question 19

which mollusk is flattened dorsoventrally, has protective plates covering its body, and scrapes algae off rocks for food?

*limpet
*conch
*oysters
*nautilus
*chiton

Answer 19

chiton

Question 20

which type of respiration is not found in phylum mollusca?

*gills
*vascular mantle
*book lungs
*cutaneous

Answer 20

book lungs

Question 21

which mollusca class do limpets and the abalone belong to?

*gastropoda
*polyplacophora
*bivalvia
*cephalopoda

Answer 21

gastropoda

Question 22

which of the following is a member of the arthopod subphylum chelicerata?

*millipede
*tick
*crab
*butterfly

Answer 22

tick

Question 23

which is the correct ordering of the surface area of vertebrate lungs, from least to greatest?

*amphibian < reptile < mammal < bird
*amphibian < reptile < bird < mammal
*reptile < amphibian < bird < mammal
*reptile < amphibian < mammal < bird

Answer 23

amphibian < reptile < bird < mammal

Question 24

which organism breathes using a positive pressure system?

*insects
*fishes
*frogs
*birds
*humans

Answer 24

frogs

Question 25

The greatest amount of oxygen (99%) carried by the blood of vertebrates is carried by the heme or iron group of hemoglobin. Where is the greatest amount of carbon dioxide carried? *on hemoglobin's heme group *on hemoglobin's globins *dissolved in the cytoplasm inside the red blood cell dissolved in the blood plasma outside the red blood cell

Answer 25

dissolved in the cytoplasm inside the red blood cell

Question 26

The greatest amount of fluid in our body (50% of the human body's weight) is found in the... *cells (cytoplasm) *tissues (interstitial fluid) *blood (blood plasma)

Answer 26

cells (cytoplasm)

Question 27

Which organism breathes using book lungs? *insects *starfish *horseshoe crab *spiders *humans

Answer 27

spiders

Question 28

Myoglobin is responsible for delivering more O2 to tissues... *to a fetus from its mother *to tissues experiencing acidic conditions *to llamas living at high altitude where O2 pressure is lower *to muscles experiencing an oxygen debt

Answer 28

to muscles experiencing an oxygen debt

Question 29

Erythrocytes have no nucleus in... *fishes *amphibians *reptiles *birds *mammals

Answer 29

mammals

Question 30

All of the following groups have a double circulatory system except... *fishes *amphibians *reptiles *birds *mammals

Answer 30

fishes

Question 31

The organ of excretion known as Malpighian tubules is found in crustaceans. *true *false

Answer 31

false

Question 32

A diuretic in the body would result in greater urine production. *true *false

Answer 32

true

Question 33

The inner region of a vertebrate kidney is known as the medulla. *true *false

Answer 33

true

Question 34

In a hypertonic environment the net movement of water will be out of a cell. *true *false

Answer 34

true

Question 35

In the loop of Henle, water primarily leaves the filtrate that is becoming urine in the ascending loop. *true *false

Answer 35

false

Question 36

Tubular secretion in the kidney primarily occurs in the distal convoluted tubule. *true *false

Answer 36

true

Question 37

Reptiles and amphibians have a heart with three chambers. *true *false

Answer 37

true

Question 38

The mammalian heartbeat is generated by pacemaker cells in the medulla of the brain. *true *false

Answer 38

false

Question 39

Countercurrent circulation in some animals allows body heat in cold weather to be conserved by being transferred between arteries and veins in their legs. *true *false

Answer 39

true

Question 40

The hypothalamus of the brain regulates respiration and circulation in the human body. *true *false

Answer 40

false

Question 41

Systolic blood pressure is the pressure that results when the heart relaxes. *true *false

Answer 41

false

Question 42

Vertebrates are said to have a nonliving endoskeleton. *true *false

Answer 42

false

Question 43

The notochord of vertebrates, one of their characteristics, provides support to the embryo, and does not becomes the spinal cord or conduct nerve impulses. *true *false

Answer 43

true

Question 44

Insects living on land use true lungs for respiration. *true *false

Answer 44

false

Question 45

Diapause is a term for a period of dormancy some insects have that allows them to adjust to environmental conditions. *true *false

Answer 45

true

Question 46

Arthropods have open circulation. *true *false

Answer 46

true

Question 47

Insects that are scavengers, feeding on dead plant and animal material are known as phytophagous. *true *false

Answer 47

false

Question 48

More oxygen is released at tissues (hemoglobin has less affinity for the O2 it is carrying) because there is a higher acidity/lower pH at the tissue. *true *false

Answer 48

true

Question 49

Clams have a radula. *true *false

Answer 49

false

Question 50

The control/coordination of the rate and depth of mammalian respiration is controlled by the concentration of oxygen in the blood. *true *false

Answer 50

false