BIO 104 Exam 2
Lancelets are:
Filter Feeders
Placoid scales are found on:
Cartilage fish
After embryonic development, members of the phylum Rotifera are incapable of:
Cell division
An elongate uniramid with many legs as well as poison claws is known as a(n):
Centipedes
A fish with a cartilaginous skeleton and paired fins would be in the group:
Chondrichthyans
Salamanders are members of the order:
Chordate
From an evolutionary perspective, true nerve cells are first seen in the phylum:
Cnidarians
Within the chordate classes, the unique characteristic of the class Aves is:
Feathers
Refer to the accompanying figure. What is the structure labeled as 9?
Feeding Polyp
What is the mode of nutrition for clams and oysters?
Filter feeders
What is a difference between flatworms and nemerteans?
Flatworm larvae burrow into skin but nemerteans have to be ingested
Ctenophores capture food:
Glue cells
Which of the following is NOT an adaptation that contributes to the biological success of insects
High intraspecific competition
Which of the mollusks have a closed circulatory system?
Squid
What specialized structure do crustaceans use to sense gravity?
Staisus
Cnidocytes contain?
Stinging organelles
What is the mode of nutrition for most Poriferans?
Suspension/Filter feeders
Which structure is used to help regulate buoyancy of fish?
Swim bladder
Which of the following are carnivorous predators and scavengers?
Sea stars
Which is critical to polychaete and oligochaete locomotion?
Setae
What is associated with the evolution of the coelom?
Two body plan
Which of the following is NOT an example of a cnidarian?
Sponges
Sponges are believed to have arisen from the choanoflagellates because they possess:
Collar Cells
The veliger larval form is unique to:
Mollusks
Trochophore larvae are characteristic of?
Mollusks
Sea stars are primarily:
Carnivores
Which class of echinoderms has the greatest species diversity?
Ophiuroidea
Birds are most closely related to:
Reptiles
Which arthropod has chelicerae, pedipalps, and silk glands?
Spiders
Which characteristic best describes vertebrates?
A backbone
Name something associated with mollusks?
A mantle
Echinoderms are unique because:
Adults have pantadradius Symmetry
Metamorphosis occurs in which of the following vertebrate classes?
Amphibians
Hagfishes are differentiated from lampreys and all other fishes in that:
Backbone
Which are living descendants of the dinosaurs?
Birds
Lungs first evolved in which group?
Bony fish
Which chordate group has the most species?
Bony fish
The first function of feathers was most likely:
Courtship rituals
A nauplius larva is characteristic of:
Crustaceans
Sea stars eat:
Crustaceans
Which arthropods have mandibles, gills, excretory glands, and statocysts?
Crustaceans
Which of the following is NOT characteristic of (most) deuterostomes?
Determinate cleavage
The earliest mammals resembled small:
Dogs
Tribolites were?
Early arthropods
Which of the following animals helps to maintain fertile soil?
Earthworms
What is the correct sequence of complete metamorphosis of an insect?
Egg, larvae, pupa, adult
The Portuguese man of-war is a colony of hundreds to thousands of:
Hydrozoans
The body wall of cnidarians and ctenophores consist of:
Inner and outer cell area
Which class of animals has the largest number of species?
Insects
Where does digestion in a sponge takes place?
Inside the cell.
The phylum name Arthropoda refers to:
Jointed appendages
The nervous system of many species of flatworms
Ladder like
The monotremes are an unusual group of mammals because they:
Laid eggs
Sharks detect motion in the water or waves by their:
Lateral Lines
Which of the following species has been used for centuries to draw blood from areas swollen by poisonous stings and bites?
Leeches
Snakes are most closely related to:
Lizards
The tetrapods include:
Mammals, reptiles, amphibians
What is a characteristic of insects?
Mandible
Segmentation is important in annelids as an aid in:
Movement
In cnidarians, nematocysts are housed within why type of specialized cell?
Natocycts
You have a sample of cat emesis (vomit) and find worms in the sample. The cylindrical worms are long and slender, pointed at each end, with no other distinguishing characteristics. You conclude they are members of which phylum?
Nematodes
Which of the following embryonic cells are unique to vertebrates?
Neural Crest cells
All echinoderms are found:
Ocean
Most mollusks are:
Ocean
Marsupials include the:
Opossum
Extinct jawless fish include the:
Ostracoderm
Which term describes an animal that lays eggs?
Oviparous
Which term can be applied to both monotremes and sharks?
Oviperous
Which of the following are sluggish creatures that live on the sea bottom, and commonly eject organs when conditions are poor?
Sea Cucumbers
Which are the animals with a crown of cilia that look like a spinning wheel?
Phylum Rotifera
An animal found in the rocky intertidal zone has eight overlapping plates and is tightly adhering to the rock with a muscular foot. This animal is most likely a member of the class:
Poly Placafora
Collar cells are characteristic of?
Porifera
Which structure do numerous mollusks use to scrape algae off rocks?
Radula
Refer to the accompanying figure. Asexual reproduction is occurring at which point?
Reproductive polyp
In which group did the amniotic egg first evolve?
Reptiles
The amphibians are believed to have arisen from ancestral:
Sacropterygian
Which of the following is a marine species that is segmented and has many setae, a well-developed head, separate sexes, and trochophore larva
Sandworms and tubeworms
The anterior end of a tapeworm is known as the:
Scolus
Which of the following groups use very long pedipalps as pinchers for capturing prey
Scorpions
Within the phylum Cnidaria, corals are most closely related to which organism?
Sea Anenomes
Echinoderms' radial symmetry enables which of the following?
The ability to respond effectively in every direction of their surrounding environment
Which of the following is NOT a correct statement regarding collar cells?
The collar cell is an extension of the cell wall and consists of microvilli.
One characteristic of class Bivalvia is that they
The have two shells with a hinge joint
Which of the following is characteristic of flatworms?
They are acoelomate (have no body cavity).
Which of the following is NOT a correct statement regarding ctenophores
They are distinct from the species known as comb jelly.
How do leeches differ from other annelids?
They do not have setae or parapodia
Which of the following is a correct statement regarding cnidarians?
They have a nerve net
Which of the following is characteristic of nemerteans
They have no heart.
Which of the following is NOT characteristic of cnidarians?
They have one body shape, known as medusa.
Gas exchange in terrestrial insects is accomplished through:
Trachea
The most closely related animal to vertebrates are the:
Urochordates
The most unique feature of the echinoderms is their:
Water vascular system
'Which of the following are the largest living vertebrates?Which of the following embryonic cells are unique to vertebrates?
Whales
Which is a characteristic of all annelids?
complete digestive system, bilateral symmetry, and a segmented body
Which of the following terms is associated with polychaetes
parapodia
Which of the following is an adaptation that enables cephalopods to escape from their predators
rapidly changing colors
