BIO 112 Lab Practical #4
Squids have ____ hearts
3
Plasma is _____________ water.
92%
Antibody-producing plasma cells are classified as _____________ connective tissue cells.
?
The function of blood cells includes _____________.
?
Which of the following is more durable than other tissue?
?
Which of the following statements about sponges is NOT true?
?
Which of the following is NOT a characteristic of organisms in the class Cestoda?
? NOT Are dependent on their host for nutrition.
The radula's chitinous teeth are used for ____ in the squid.
? NOT Chewing
Which structure is indicated in this photo of a cross section through an earthworm's head?
? NOT Coelom
The cephalic ganglia are considered the squids.
? NOT Sensory Neurons
Digestive enzymes are produced here ____ in the squid.
? NOT Stomach
What is the spematophore used for in the squid?
? NOT Where fertilization takes place
Setae serve various functions in different annelid species. They are used ______.
? NOT as anchor mechanisms
Which structure is indicated in this cross section through the dorsal region of an earthworm's body wall? Used to excrete waste from the bladder.
? NOT circular muscle
Which structure is indicated in this photo of a cross section through the middle of an earthworm's body? BIGGER UNDER
? NOT median dorsal vessel
Which of these is referred to as the brain of a crayfish?
? NOT subesophageal ganglion
Epithelial tissue serves to____________.
A and B
A friend tells you he was stung by a "sea gooseberry" in a freshwater pool. Explain why your friend is incorrect.
A and B.
Which of the following characteristics are found in the grasshopper?
A and B.
Which of the following cnidarians exist in a polyp form?
A and B.
Which of the following is a characteristic of a nematode?
A and B.
Which of the following muscle groups exhibits striation?
A and B.
Which of the following have bodies divided into a head, thorax, and abdomen?
A and C.
What happens after a true jellyfish has produced a zygote?
A ciliated planula larva forms on the medusa.
What type of tissue supplies the most energy when you are running a marathon?
Adipose.
How does a sponge reproduce asexually?
All of the above.
Which class is also called "flower animals"?
Anthozoa.
Which feature is NOT attributed to leeches in centuries-old medical procedures?
Antibacterial.
Why would you add bleach to a sponge specimen before observing it through a microscope?
Bleach will dissolve the spongin, making it easier to see the spicules.
Which type of connective tissue is vascularized?
Bone.
Which of the following can be considered a reservoir for calcium?
Bones
What structure pumps deoxygenated blood from the squid's body through the gills?
Brachial hearts
The squid's __________ contains the beak and radula.
Buccal mass
In the squid's gills, the transfer of carbon dioxide and oxygen occur here _____.
Capillaries
Squids are considered to be ______.
Carnivores
Which jellyfish is most likely to deliver a lethal sting?
Chironex fleckeri.
What class of molluscs provides us with our seafood dinners of clams, oysters, mussels, and scallops?
Class Bivalvia.
To which class do earthworms belong?
Clitellata
Which fibers that make up connective tissue have the same chemical composition and molecular structure?
Collagenous and reticular.
This organism is a member of what phylum?
Ctenophora.
Which of the following is NOT true about a neuron?
Dendrites conduct impulses away from the neuron cell body.
Which of the following is NOT a characteristic of lophotrochozoans?
Deuterostomes.
Diploblastic animals have which germ layers?
Ectoderm and endoderm.
Rotifers live in an environment susceptible to drying out. How does this organism cope with this environmental stress?
Enters a state of arrested biological activity.
What type of tissue forms glands?
Epithelial
The auriferous pore is used to _______ in the squid.
Equalize intraocular pressure
Which of the following is NOT a type of connective tissue fiber?
Fixed
Which of the following is NOT a connective tissue cell name suffix?
Fixed.
Another name for a squid's branchial hearts is ________.
Gill hearts
This type of epithelial cell secretes mucus.
Goblet cells.
A patient is diagnosed with bacterial pneumonia. Which of the following supports the diagnosis?
High neutrophil count.
What does a millipede do when it is disturbed?
It emits a foul-smelling odor.
What is the scientific name of the long-finned squid ____?
Loligo pealei
Which of the following adjectives is most closely associated with the term nacreous?
Lustrous
Which body region contains most of the squid's internal organs?
Mantle
What two structures do squids use for propulsion?
Mantle and siphon
Which of these is the process in which a crayfish sheds its old exoskeleton?
Molting
The __________ carries neuronal impulses from the eye to the cephalic ganglion in the squid.
Optic nerve
What do the nidamental and accessory nidamental glands produce____ in the squid?
Orangish egg jelly
Which of the following allows water to enter a sponge?
Ostia
The squids gills absorb this from the water _______.
Oxygen
While exploring, you discover a hydrozoan called Hydra sp. Where did you find the Hydra sp.?
Pond
What is NOT a function of connective tissue?
Protection from external sources.
Which of the following are found in both the rotifer and the annelid.
Protective cuticle layer.
Cutting a planarian in half results in the subsequent formation of two fully formed individuals. What is this process called?
Regeneration
True jellyfishes belong to which class of phylum Cnidaria?
Scyphozoa
How does a hermit crab benefit from a relationship with sea anemones?
Sea anemones provide camouflage for hermit crabs.
Looking at a microscope slide at high power, you notice oval nuclei. What kind of epithelium sample is this?
Simple columnar.
Pigment is primarily found in which part of the squid _____?
Siphon
A person with cerebral palsy might experience a tightening of muscles resulting in restricted or spastic movement. What muscle type is affected?
Skeletal
You scrape the inside of your cheek to collect epithelial cells for a DNA sample. What type of epithelial cells are these?
Squamous
What is the function of pleopods in crustaceans?
Swimming
Which of the following statements about cnidarians is NOT true?
They are filter-feeding invertebrates.
What is the purpose of the basal disk in the Hydra?
To attach to a substrate.
Why do squid and other cephalopods secrete a substance known as dark sepia?
To create a screen for their escape.
Which of the following is NOT true for the Cnidarians?
Triploblastic
What helps extend nerves and vessels outward toward the periosteum and endosteum of the bone marrow cavity?
Volkmann's canal.
Which of the following describes the order of infection for the Chinese liver fluke (Clonorchis sinensis)?
Water, snail, water, fish, human.
A medusa is often described as ____.
an umbrella-shaped body with tentacles that hang down
Horseshoe crabs utilize _____________for breathing.
book gills
Which crayfish appendage ends in a large claw?
cheliped
Ctenophores have adhesive cells called ________________ which are used to_________.
colloblasts, capture food
Excretion and respiration in sponges occur through _____________.
diffusion
The study of insects is called _____________.
entomology
Which type of earthworm inhabits leaf litter and the uppermost layer of the soil?
epigeic
Red blood cells (RBCs) are ____________.
erythrocytes
Anemones feed primarily on ________________.
fishes
The grasshopper's tympanic organs are responsible for _____.
hearing
The primary function of microvilli is to______________.
increase surface area
Because cells of epithelial tissue are tightly packed, they have limited _______________.
intercellular material
Nematodes move in a thrashing fashion by using ______.
longitudinal muscles
Which structure is indicated in this photo of a cross section through the middle of an earthworm's body? UPPER SMALLER
median ventral vessel
Cnidarians have ______________ between the epidermis and the gastrodermis.
mesoglea
Ecdysis is the process of _____________.
molting
Cartilage is a type of connective tissue that aids in __________.
movement
While swimming in the ocean, you feel a sting on your leg from a Portuguese man-of-war. The sting was caused by ________.
nematocysts
Bipolar neurons possess________________, which are attached to the cell body.
one axon and one dendrite
In a sponge with an asconoid canal system, water is filtered and exits via the ___________.
osculum
Which term is used for alternating contractions of circular and longitudinal muscle layers in a tubular structure, such as the body of an earthworm or the digestive tract of a human?
peristalsis
The word Porifera comes from a Latin word that means ___________.
pore-bearer
