WSU BIO 102 Final Exam 5 Test
Questions All Solved Correct 2025.
vertebrates - Answer animals with backbones
invertebrates - Answer Animals without backbones
animal groups in order of appearance on earth - Answer
animals tied to moist environments - Answer amphibians/ animals who reproduce in water
animals that are fully terrestrial - Answer reptiles
key adaptations for being terrestrial - Answer amniotic eggs and internal fertilization
Sponges - Answer -Body is a series of channels: water IN via pores, central canal, OUT via
osculum
-usually in coral reefs, shelter for other animals, filter seawater
collar cells - Answer cells lining the central canal of sponges: create water flow and capture
food particles
*digestion
examples of cnidaria - Answer jellyfish, coral, sea anemones
cnidaria traits - Answer radial symmetry
digestive tract: sack with a single opening
special stinging cells for defense and subdue prey
cnidaria life cycle - Answer polyp: asexual makes mini medusa released into water
medusa: sexual, free floating
coral - Answer groups of small polyups: secretes minerals and medusas
sit on limestone skeletons
algae provide glucose and O2 via photosynthesis for coral
coral bleaching - Answer coral ejects algae needed for O2 from stress
examples of worms - Answer round, flat, segmented
tapeworm traits - Answer flatworms
live in intestine and absorb nutrients from host
scolex/head has hooks for anchoring to intestine and suction
body made up of a series of units: sacks of fertilized eggs that break off and are expelled
earthworm traits - Answer segmented worms
, examples of mollusks - Answer snails, clams, squids
mollusk traits - Answer muscular foot for movement
mantle: skin covering organs
shell (optional but typical)
geoduck - Answer PNW clam
burrows into sandy mud
uses long siphon to filter feed on plankton
live for 140 years
giant squid - Answer live in deep ocean
feed on fish and other quid
eaten by sperm whales
Arthropods examples - Answer trilobites, arachnids, crustaceans, insects
Arthropod traits - Answer most diverse group of animals
bilateral symmetry
segmented body
hard exoskeleton
molt (ecdysis)
jointed paired legs
trilobites - Answer all extinct
Arachnids - Answer SPIDERS
cephalothorax/head and abdomen
8 eyes
8 legs (4 pairs)
webs: filter things that fly through for prey
jumping spiders dont build webs and pounce on their prey
Crustacea - Answer CRABS
cephalothorax/head and abdomen
10 legs (5 pairs)
breathe via gills
front legs modified into claws
sex of grab determined by abdomen:
Questions All Solved Correct 2025.
vertebrates - Answer animals with backbones
invertebrates - Answer Animals without backbones
animal groups in order of appearance on earth - Answer
animals tied to moist environments - Answer amphibians/ animals who reproduce in water
animals that are fully terrestrial - Answer reptiles
key adaptations for being terrestrial - Answer amniotic eggs and internal fertilization
Sponges - Answer -Body is a series of channels: water IN via pores, central canal, OUT via
osculum
-usually in coral reefs, shelter for other animals, filter seawater
collar cells - Answer cells lining the central canal of sponges: create water flow and capture
food particles
*digestion
examples of cnidaria - Answer jellyfish, coral, sea anemones
cnidaria traits - Answer radial symmetry
digestive tract: sack with a single opening
special stinging cells for defense and subdue prey
cnidaria life cycle - Answer polyp: asexual makes mini medusa released into water
medusa: sexual, free floating
coral - Answer groups of small polyups: secretes minerals and medusas
sit on limestone skeletons
algae provide glucose and O2 via photosynthesis for coral
coral bleaching - Answer coral ejects algae needed for O2 from stress
examples of worms - Answer round, flat, segmented
tapeworm traits - Answer flatworms
live in intestine and absorb nutrients from host
scolex/head has hooks for anchoring to intestine and suction
body made up of a series of units: sacks of fertilized eggs that break off and are expelled
earthworm traits - Answer segmented worms
, examples of mollusks - Answer snails, clams, squids
mollusk traits - Answer muscular foot for movement
mantle: skin covering organs
shell (optional but typical)
geoduck - Answer PNW clam
burrows into sandy mud
uses long siphon to filter feed on plankton
live for 140 years
giant squid - Answer live in deep ocean
feed on fish and other quid
eaten by sperm whales
Arthropods examples - Answer trilobites, arachnids, crustaceans, insects
Arthropod traits - Answer most diverse group of animals
bilateral symmetry
segmented body
hard exoskeleton
molt (ecdysis)
jointed paired legs
trilobites - Answer all extinct
Arachnids - Answer SPIDERS
cephalothorax/head and abdomen
8 eyes
8 legs (4 pairs)
webs: filter things that fly through for prey
jumping spiders dont build webs and pounce on their prey
Crustacea - Answer CRABS
cephalothorax/head and abdomen
10 legs (5 pairs)
breathe via gills
front legs modified into claws
sex of grab determined by abdomen:
