Which of the following features is not a characteristic of arthropods? Segmentation, a chitinous exoskeleton, modified appendages, a hydrostatic skeleton
a hydrostatic skeleton
Insects belong to the _______________ arthropod subgroup.
The coelom forms from foldings of the archenteron is a _______________ character.
The ______________ are classified with the bilateria because they are bilaterally symmetrical during early development.
The different modes of ___________ development distinguish echinoderms from arthropods.
Echinodermata are most closel related to ___________.
_______________ have the greatest diversity of animal species.
Which of the following is not a characteristic of most members of uniramians? compound eyes, jaw-like mandibles, one pair of sensory antennae, branched appendages
____________ and _____________ are classified as both bilateria and deutrostome.
If you discover an animal that has two major body segments and a pair of feeding appendages that look like chelicerae, it could be a _______________.
A body cavity with muscle on one side only can be one of the consequences of the ____________________ body plan.
Walking around barefoot could increase the risk of catching what parasitic infection?
CLM is caused by hookworms devouring _______________.
_____________ and __________________ both have a body cavity lined with tissue derived from the mesoderm.
The nautilus, with its head surrounded by tentacles, is a member of the Class ______________.
Bivalves lack a _________ which is a common mollusk feature.
___________ and _____________ both have a body cavity.
Leeches and roundworms
A terrestrial mollusk without a shells belongs to Class _______________.
True or False: Earthworms have specialization among the segments.
Roundworms are part of the phylum _____________.
A sponge's ingestive form of ___________ is evidence supporting the idea that a spong is actually an animal.
A lack of coordination among ____ in a spong is evidence supporting the colonial character of sponges.
True of False: Cnidarians have muscle tissue derived from the mesoderm.
The ___________ of a jellyfish can sting you.
Between the zygote and developing and polyp stages, Obelia exists as a ______.
Bilateria are further adapted for detecting __________ than the radiata because they are triploblastic.
If a bilaterally symmetrical organism swims past you, the last thing you see is its ____________.
All platyhelminthes lack a _________.
When the snail-eating cichlid fish of Lake Malawi declined in number, scientists expected to see an ______ in the incidence of schistomiasis.
___________ and ______________ both have a gut with a single opening.
Cnidarians and flatworms
__________ are the cells in a sponge that are used to trap food particles from circulating water.
In order to reduce the incidence of schistosomiasis in a human population, scientists could reduce the freshwater _______ population.
The sea anemone ________ is nonexistent.
According to Wang, Kumar, & Hedges, animals evolved _________ million years ago.
Scienctists were able to estimate when animals evolved by examining _______ rates from the kingdom Animalia.
DNA mutation rates
Based on the phylogenetic tree, did flatworms or roundworms originate first?
Radially symmetrical organisms (starfish) are placed in bilateria because they possess three distinct tissue layers during ____________ development.
True or False: If an unkown organism exudes a fluid when you make a cut in its side you can conclude that it is not an acoelomate.
True or False: Only "true" coelomates can move their intestinal tracts independently of their outer walls.
An organism with three embryonic tissue types belongs to the __________.
Human beings and rottweiler dogs have what type of development? determinate or indeterminate
Protostomes and deutrostomes both have a ___________ lined completely with mesoderm-derived tissue.
True or False: A fluid-filled body cavity cannot serve as a storage compartment for food.
True or False: Organisims with radial symmetry would likely not exhibit much motility.
____________ nutrition is not considered characteristic of Kingdom Animalia.
Multicellular animals that lack true tissues belong to the ____________.
The production of large numbers of easily dispersed spores in _________ and ___________ modes of reproduction allows fungi to be successful decomposers, pathogens, and symbionts.
An _________ can produce asexual conidia in the haploid state making meiosis recombination nonessential for survival.
True or False: Some basidiomycetes produce microscopic basidiocarps that don't resemble gilled mushrooms.
The formation of a dikaryon is a life cycle feature shared by __________________ and _______________.
ascomycetes and basidiomycetes
What phylum of fungi can turn grape juice into wine via yeast fermentation?
True or False: Basidiomycetes are not autotrophs.
The phylum Basidiomycota is distinguished from the phylum Ascomycota because ___________ produce their sexual spores in sacks of 4-8.
Fungi secrete digestive enzymes to break down their food outside of their cells and absorb the digested products. This is called _________ nutrition.
An ascus contains ____ ascospores (as opposed to 4) after meiosis because the four haploid ascospores undergo an additional round of mitosis after meiosis is complete.
The pharyngeal slits of fish are modified for ________ exchange.
True or False: Chordates have backbones.
________ describes when mature adults retain characterisitcs that were larval in their ancestors.
A __________ is an exclusively chordate characteristic that adult fish retain.
The vetebral column forms the axial _____________.
True or False: Adult cephalochordates retain pharyngeal slits, a postanal tail and a notochord, and a dorsal hollow nerve cord.
Vertebrate features (a backbone, and a closed circulatory system) are suited for _______.
The evolution of jaws from existing endoskeletal pharyngeal elements is an example of _______.
Tetrapod refers to an animal's __________.
True or False: Humans are placental.
True or False: Name the order the basic vertebrate features (5) developed.
vertebrae, jaws, legs, amniotic egg, hair
The fins of a fish and the legs of a dog are _________.
True or False: Fungi have a filamentous body, fungal hyphae may be portioned by septa, but the cytoplasm can move through these partitions, and haustoria are able to penetrate host cells. These are all adaptations to help fungi feed by absorption.
Karyogamy results in a fungal individual that is __________.
In a lichen, a fungus can live symbiotically with a _________.
Plasmogamy refers to the fusion of ____________.
If you find an organism that has hyphal cells and spores are produced at the ends of the hyphae in groups of eight you can conluce that the organism belongs to the _________.
The presence of a chitinous cell wall, hyphae, and feeding by absorption are all traits of the Kingdon ________.
The protists in the group choanoflagellates are most similar in the structure to a type of cell, _______, found in sponges.
Endodermal tissue becomes the lining of the ___________________ in a fully developed animal.
You are studying the development of an animal and you find that the future mouth forms first, from the blastopore. This animal is a _________.
The platyhelminth Schistosoma is characterized by a life cycle with multiple ______.
True or False: A digestive tract with both a mouth and an anus is not seen in the platyhelminths.
Most diploblastic animals are radially ____________.
Gastrulation is remarkable because it is the stage when the first ________ forms.
Members of the bilateria are all _______________.
True or False: Protostome development is not a feature of the phylum Chordata.
Protosome animals have ____________ cleavage and ______________ cells, while deuterstomes have ___________ cleavage and ________ cells.
spiral, determinate, radial, indeterminate
True or False: Jellyfish are not members of the Bilateria.
True or False: A spider is not a a mollusk.
The animal phyla __________ has the greatest species diversity.