Term
all the members of the kingdom animalia
a. are heterotrophs
b. are multicellular
c. have cells without cell walls
d. all of the above |
|
Definition
|
|
Term
specialized cells
a. can carry out their tasks more effectively than cells that must do many tasks
b. are only in chordates and echinoderms
c. always operate independant of all other cells
d. all of the above |
|
Definition
| a. can carry out their tasks more effectively than cells that must do many tasks |
|
|
Term
a group of similar cells organized into a functional unit is called
a. a nervous system
b. a specialized cell
c. tissue
d. organ |
|
Definition
|
|
Term
which of the following is only found in animals
a. the ability to move
b. sexual reproduction
c. muscle tissue and nervous tissue
d. herterotrophy |
|
Definition
| c. muscle tissue and nervous tissue |
|
|
Term
animals probably evolved from
a. plants
b. photosynthetic protists
c. heterotrophic protists
d. none of the above |
|
Definition
| c. heterotrophic protists |
|
|
Term
modern organisms that are thought to resemble the earliest animals are
a. plants
b. colonial protists
c. unicellular protozoans
d. bacteria |
|
Definition
| c. unicellular protozoans |
|
|
Term
| many animals have a head that is located at the ____ end of their body, and a tail that is located on the ______ end of their body |
|
Definition
|
|
Term
symmetrical phyla include all of the following except
a. chordates
b. mollusks
c. arthropods
d. sponges |
|
Definition
|
|
Term
which of the following displays radial symmetry
a. flatworm
b. annelid
c. chordate
d. cnidarian |
|
Definition
|
|
Term
cephalization
a. is a feature of most invertabrates, including sponges
b. characterized by concentration of sensory and brain structures on the anterior end
c. occurs in marine protozoa
d. results when the brain doesn't develop right |
|
Definition
| b. characterized by concentration of sensory and brain structures on the anterior end |
|
|
Term
which of the following is found in vertebrates but not invertebrates
a. dorsal nerve cord
b. coelom
c. three germ layers
d. bilateral symmetry |
|
Definition
|
|
Term
at some stage of their development, all chordates have a flexible rod of tissue along their back called the
a. spinal cord
b. pharynx
c. notochord
d. none of the above |
|
Definition
|
|
Term
a characteristic shared by all chordates at some stage of their development is
a. dorsal nerve cord
b. notochord
c. pharyngeal pouches
d. all of the above |
|
Definition
|
|
Term
which of the following is not a vertebrate adaptation to life on land
a. lungs
b. internal fertilization
c. endoskeleton
d. brain |
|
Definition
|
|
Term
which of the following isnt a characteristic of arthropods
a. segmentation
b. exoskeleton
c. closed circulatory system
d. digestive tract |
|
Definition
| c. closed circulatory system |
|
|
Term
in sponges, digestion occurs
a. in a gut
b. in individual cells
c. in a central cavity with a single opening
d. outisde the body |
|
Definition
|
|
Term
during which of the following stages of animal development are the germ layers formed
a. fertilization
b. cleavage
c. gastrulation
d. organ formation |
|
Definition
|
|
Term
the acoelomate body type is exemplified by
a. flatworms
b. roundworms
c. mollusks
d. annelids |
|
Definition
|
|
Term
which of the following is an incorrect match?
a. ectoderm- nervous system
b. mesoderm- skeletal system
c. endoderm- muscular system
d. endoderm- digestive system |
|
Definition
| c. endoderm- muscular system |
|
|
Term
as an animal develops, the ectoderm becomes the
a. heart
b. tissue that lines the body cavity
c. skin and nervous system
d. muscle tissue |
|
Definition
| c. skin and nervous system |
|
|
Term
which of the following is a deuterostome
a. annelid
b. arthropod
c. mollusk
d. chordate |
|
Definition
|
|
Term
two deuterostome phyla are
a. annelids and ctenophores
b. echinoderms and chordates
c. arthropods and chordates
d. cnidarians and sponges |
|
Definition
| b. echinoderms and chordates |
|
|
Term
which of the following isn't a function of the body cavity
a. it provides a firm structure against which muscles can contract
b. it acts as a medium for the transport of nutrients and wastes
c. it gives rise to germ layers
d. it aids freedom of movement |
|
Definition
| c. it gives rise to germ layers |
|
|
Term
a major difference between the development of invertebrates and that of vertebrates is that
a. most invertebrates undergo indirect development, while most vertebrates undergo direct development
b. most vertebrates undergo indirect development, while most invertebrates undergo direct development
c. vertebrates have larvae, while invertebrates don't
d. invertebrates have yolked eggs, while vertebrates dont |
|
Definition
| a. most invertebrates undergo indirect development, while most vertebrates undergo direct development |
|
|
Term
| the distinguishing feature of ________ is the backbone. |
|
Definition
|
|
Term
| because animals cant make their own food, they are said to be __________ |
|
Definition
|
|
Term
| multicellularity allows for the __________ of different cells for different tasks |
|
Definition
|
|
Term
| unlike bacteria and most protists, all animals are _________, which allows them to become larger than unicellular organisms |
|
Definition
|
|
Term
| since sponges dont have body parts that grow around a central point or line, they are said to lack____________ |
|
Definition
|
|
Term
| an animal whose body parts are arranged around a central point or line, like spokes on a wheel has _________ symmetry. |
|
Definition
|
|
Term
| organisms with left and right halves that mirror eachother are said to have __________ symmetry |
|
Definition
|
|
Term
| the concentration of sensory receptors in a head is called ___________ |
|
Definition
|
|
Term
| the ________ is a fluid filled cavity surrounded by mesoderm |
|
Definition
|
|
Term
| embryological evidence suggests that echinoderms are closely related to ____________ |
|
Definition
|
|
Term
| an animal without a body cavity is called an ____________ |
|
Definition
|
|
Term
| terrestrial vertebrates have a ____ that provides internal structural support for the body |
|
Definition
|
|
Term
| in animals with open circulatory systems, circulatory fluid is pumped by the heart into the body _________, whereas in animals with closed circulatory systems, blood is pumped by the heart through the body in _____ that form a closed loop |
|
Definition
|
|
Term
| In the type of coelom formation called ___________, cells at the dorsal part of the archenteron begin dividing rapidly and form mesodermal pouches in which the coelom develops |
|
Definition
|
|
Term
| during cleavage, the dividing cells become progressively _______________ |
|
Definition
|
|
Term
| in ______, the blastopbore becomes the anus of the adult |
|
Definition
|
|
Term
| during embryonic development, many protostomes undergo _____ cleavage, whereas most deuterostomes undergo ________ cleavage, and the resulting embryos therefore have different cell arrangements |
|
Definition
|
|
