Animals (DOLT)

Question 1

invertebrates

Answer 1

herbivores, carnivores, omnivores
reproduce sexually and asexually
characterized based on anatomical and physiological characteristics
no backbone or internal skeleton

Question 2

chordata

Answer 2

phylum
vertebrates
have an internal skeleton and backbone
backbone encases spinal chord

Question 3

exoskeleton

Answer 3

found in invertebrates
hard external covering
not all have them

Question 4

common invertebrate orders

Answer 4

1. echinoderms
2. mollusks
3. arthropods
4. annelids
5. porifera

Question 5

echinoderms

Answer 5

5 point radial symmetry
saltwater
separate sexes
filter feeders or predators
capable of regeneration

Question 6

examples of echinoderms

Answer 6

starfish, sand dollars, sea urchins

Question 7

mollusks

Answer 7

aquatic or terrestrial
most are filter feeders
food source for humans
some contain pearls
some cultures use them as a form of money

Question 8

examples of mollusks

Answer 8

clams, mussels, snails, squid, octopi

Question 9

arthropods

Answer 9

exoskeleton
jointed appendages
segmented body
aquatic or terrestrial
separate sexes
classified based on number of legs
some transmit diseases

Question 10

classification of arthropods

Answer 10

6 legs: insects
8 legs: arachnids
10 legs: crustaceans

Question 11

uses of arthropods

Answer 11

food source

pets

Question 12

examples of arthropods

Answer 12

insects, arachnids, crustaceans

Question 13

annelids

Answer 13

segmented worms
have longitudinal or circular muscles
moist skin
hermaphrodites
aquatic or terrestrial

Question 14

use for annelids

Answer 14

earthworms enrich and aerate soil

Question 15

examples of annelids

Answer 15

earthworms. leeches

Question 16

porifera

Answer 16

surface covered in pores
pores allow water to circulate through the body
aquatic

Question 17

examples of porifera

Answer 17

sponges

Question 18

vertebrate skeleton

Answer 18

starts as cartilage
turns to bone as calcium is added
some fish retain cartilage their whole lives
humans retain some cartilage

Question 19

cartilage

Answer 19

cover end of bones in a thing layer

flexible

Question 20

chordate orders

Answer 20

1. fish
2. amphibians
3. reptiles
4. birds
5. mammals

Question 21

warm blooded

Answer 21

retain constant internal temperature
takes a lot of energy
must regularly consume food

Question 22

cold blooded

Answer 22

internal body temperature same as environmental temperature

Question 23

habitat (vertebrates)

Answer 23

fish: aquatic
amphibians: aquatic and terrestrial
reptiles: terrestrial
birds: terrestrial
mammals: terrestrial

Question 24

fertilization (vertebrates)

Answer 24

fish: external
amphibians: external
reptiles: internal
birds: internal
mammals: internal

Question 25

development (vertebrates)

Answer 25

fish: external amphibians: external reptiles: external (shelled egg) birds: external (shelled egg) mammals: internal

Question 26

heart (vertebrates)

Answer 26

fish: 2 chambers amphibians: 3 chambers reptiles: 4 chambers with a hole birds: 4 chambers mammals: 4 chambers

Question 27

breathing (vertebrates)

Answer 27

fish: gills amphibians: gills, lungs, skin reptiles: lungs birds: lungs mammals: lungs

Question 28

warm/cold blooded (vertebrates)

Answer 28

fish: cold amphibians: cold reptiles: cold birds: warm mammals: warm

Question 29

body covering (vertebrates)

Answer 29

fish: scales amphibians: moist skin reptiles: dry skin and scales birds: feathers and scales mammals: hair or fur

Question 30

mammary glands (vertebrates)

Answer 30

fish: no amphibians: no reptiles: no birds: no mammals: yes

Question 31

lungs

Answer 31

more efficient than gills and skin at adding oxygen to blood | oxygen is needed for cellular respiration to digest food on a molecular level

Question 32

heart

Answer 32

2,3, and 4 chambered hearts with a hole in them pump oxygenated and de-oxygenated blood 4 chambered heart most efficient at pumping oxygenated blood through body

Question 33

internal fertilization

Answer 33

terrestrial animals

Question 34

external fertilization

Answer 34

sperm and egg deposited within close proximity of each other | has to happen in water so sperm can swim to egg

Question 35

reptilian shelled eggs

Answer 35

bury eggs hatch depending on external temperature (cold blooded) time it takes to hatch is unpredictable

Question 36

bird shelled eggs

Answer 36

incubated by mother when she sits on them | if eggs aren't constantly being incubated they won't develop and hatch

Question 37

mammals

Answer 37

typically have a uterus which allows for internal development

Question 38

mammals without a uterus

Answer 38

marsupials (kangaroos, opossums, koalas) offspring born as embryos and develop in mother's pouch pouch contains mammary glands duck-billed platypus and echidna lay eggs

Question 39

diversity

Answer 39

measured by number of different species in a specific area | more species=healthier ecosystems

Question 40

food webs vs. single food chains

Answer 40

diverse ecosystems have food webs

Question 41

disturbed ecosystems

Answer 41

not very diverse

Question 42

undisturbed ecosystems

Answer 42

little to no human interference | very diverse

Question 43

monoculture

Answer 43

ecosystem containing only one species | rely on humans to survive