bio test 3/11

Question 1

heterotroph

Answer 1

things that must derive food from other sources in order to survive

Question 2

invertebrate

Answer 2

animals that lack a backbone

Question 3

vertebrate

Answer 3

animals that HAVE a backbone

Question 4

in terms of classification, what are the 3 broader groups?

Answer 4

Kingdom, Phylum, Class

Question 5

in terms of classification, what are the 3 more specific groups?

Answer 5

family, genus, species

Question 6

What are the different organizations that animals are put into?

Answer 6

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species (D,K,P,C,O,F,G,S)

Question 7

Prokaryotic extremophiles are classified as what?

Answer 7

archaea

Question 8

plants, animals, protists, fungi, and humans are classified as what?

Answer 8

eukarya

Question 9

Cyanobacteria and true bacteria are classified as what?

Answer 9

bacteria

Question 10

body symmetry

Answer 10

an animals body shape and whether or not it can be bisected by one or multiple planes to produce two equal halves.

Question 11

asymmetrical

Answer 11

having no distinct body symmetry

Question 12

radial symmetry

Answer 12

a circular body shape where all the parts are evenly arranged about the center

Question 13

bilateral symmetry

Answer 13

the animal can only be bisected in one plane to produce a right and left half

Question 14

cellular organization

Answer 14

whether the organism is a collection of cells or whether it has distinct tissues, organs or organ systems

Question 15

body segmentation

Answer 15

allows for specialization of distinct body regions, segmented vs. not segmented

Question 16

cephalization

Answer 16

an area of concentrated sensory structures at the anterior end of the animal (mouth, eyes,brain, etc.)

Question 17

incomplete digestive tract

Answer 17

a single opening which serves to both take in for and eject digestive waste

Question 18

complete digestive tract

Answer 18

there are two openings, a mouth and an anus

Question 19

jointed appendages

Answer 19

limbs that have distinct articulation that enable greater control of movement (does not mean skeletal system)

Question 20

non-jointed appendages

Answer 20

body is 1 free moving vesicle

Question 21

hydrostatic body support system

Answer 21

body fluid and structural fibers that contract

Question 22

endoskeleton

Answer 22

calcium-based internal framework

Question 23

exoskeleton

Answer 23

external coverings that give the body shape and protect vital organs

Question 24

dichotomous key

Answer 24

constructed from a series of couplets, or mutually exclusive choices

Question 25

medusa

Answer 25

moving

Question 26

polyp

Answer 26

e.g. hydra

Question 27

cnidae

Answer 27

specialized stinging devices

Question 28

nematocyst

Answer 28

most common form of cnidae

Question 29

dorsoventrally flattened

Answer 29

the body that is flat from the lower and upper surfaces

Question 30

bivalvia (animal examples)

Answer 30

clams, mussels, oysters (animals that have been modified for digging into sand)

Question 31

gastropoda (animal examples)

Answer 31

slugs, welks

Question 32

cephalopoda (animal examples)

Answer 32

squid, octopus, cuttlefish (animals are highly developed in terms of circulatory system, senses, nervous system)

Question 33

phylum arthropoda

Answer 33

6 major classes, largest and most diverse

Question 34

phylum echinodermata

Answer 34

evolutionary closest to vertebrates

Question 35

porifera (examples)

Answer 35

sponges

Question 36

cnidaria (examples)

Answer 36

anemones, corals, jellyfish

Question 37

platyhelminthes (examples)

Answer 37

flatworms, flukes, tapeworms

Question 38

mollusca (examples)

Answer 38

clams, snails, squid, whelk

Question 39

arthropoda (examples)

Answer 39

insects, spiders, crabs, craytisn

Question 40

echinodermata (examples)

Answer 40

sea star, sea cucumbers, sand dollars

Question 41

Out of the invertebrate phyla, which grouping has both body segment and jointed appendages present?

Answer 41

arthropoda