Test 2 Flashcards
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
subphylum chelicerata and class merostomata
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
two pair of legs per body segment
Ecdysis in arthropods refers to their…
*feeding
*reproduction
*molting
*respiration
*sensory system
molting
What does a spider use its pedipalps for?
*spinning silk
*injecting venom
*walking
*handling food
handling food
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
indirect development and complete metamorphosis
Which arthropod has two pair of antennae?
*butterfly
*spider
*millipede
*crayfish
*scorpion
crayfish
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
trap food with mucous and regulate iodine metabolism
what structure in chordates develops into structures such as the middle ear, eustachian tube, and tonsils?
*notochord
*pharyngeal gill slits
*coccyx
*endostyle
*tunic
pharyngeal gill slits
which chordate is a member of subphylum urochordata?
*mammals
*tunicates
*lamphrey
*amphioxus
*all of these
tunicates
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
in an external sphincter or valve at the very bottom of the bladder
Which form of nitrogen do fish secrete?
*ammonia
*uric acid
*amino acids
*urea
ammonia
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
the descending loop of henle
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
vasa recta
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
glomerular filtration, tubular reabsorption, water excretion, tubular secretion
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
marine invertebrates
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
radiation
which layer of a mollusk shell is a smooth mother-of-pearl to protect its soft body?
*prismatic
*nacreous
*sclera
*periostracum
nacreous
which class of phylum mollusca is the most diverse in number of species and has some terrestrial forms?
*cephalopoda
*bivalvia
*polyplacophora
*gastropoda
gastropoda
which mollusk is flattened dorsoventrally, has protective plates covering its body, and scrapes algae off rocks for food?
*limpet
*conch
*oysters
*nautilus
*chiton
chiton
which type of respiration is not found in phylum mollusca?
*gills
*vascular mantle
*book lungs
*cutaneous
book lungs
which mollusca class do limpets and the abalone belong to?
*gastropoda
*polyplacophora
*bivalvia
*cephalopoda
gastropoda
which of the following is a member of the arthopod subphylum chelicerata?
*millipede
*tick
*crab
*butterfly
tick
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
amphibian < reptile < bird < mammal
which organism breathes using a positive pressure system?
*insects
*fishes
*frogs
*birds
*humans
frogs
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
dissolved in the cytoplasm inside the red blood cell
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)
cells (cytoplasm)
Which organism breathes using book lungs?
*insects
*starfish
*horseshoe crab
*spiders
*humans
spiders
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
to muscles experiencing an oxygen debt
Erythrocytes have no nucleus in…
*fishes
*amphibians
*reptiles
*birds
*mammals
mammals
All of the following groups have a double circulatory system except…
*fishes
*amphibians
*reptiles
*birds
*mammals
fishes
The organ of excretion known as Malpighian tubules is found in crustaceans.
*true
*false
false
A diuretic in the body would result in greater urine production.
*true
*false
true
The inner region of a vertebrate kidney is known as the medulla.
*true
*false
true
In a hypertonic environment the net movement of water will be out of a cell.
*true
*false
true
In the loop of Henle, water primarily leaves the filtrate that is becoming urine in the ascending loop.
*true
*false
false
Tubular secretion in the kidney primarily occurs in the distal convoluted tubule.
*true
*false
true
Reptiles and amphibians have a heart with three chambers.
*true
*false
true
The mammalian heartbeat is generated by pacemaker cells in the medulla of the brain.
*true
*false
false
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
true
The hypothalamus of the brain regulates respiration and circulation in the human body.
*true
*false
false
Systolic blood pressure is the pressure that results when the heart relaxes.
*true
*false
false
Vertebrates are said to have a nonliving endoskeleton.
*true
*false
false
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
true
Insects living on land use true lungs for respiration.
*true
*false
false
Diapause is a term for a period of dormancy some insects have that allows them to adjust to environmental conditions.
*true
*false
true
Arthropods have open circulation.
*true
*false
true
Insects that are scavengers, feeding on dead plant and animal material are known as phytophagous.
*true
*false
false
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
true
Clams have a radula.
*true
*false
false
The control/coordination of the rate and depth of mammalian respiration is controlled by the concentration of oxygen in the blood.
*true
*false
false
