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Biology Chapt 23,26 Review Flashcards | StudBud
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Biology Chapt 23,26 Review
Sponges are the only animals that have no
What is a radula?
Biology Chapt 23,26 Review
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1
What is a radula?
a mollusk's feeding organ
a flatworm's flat gills
a squid's nervous system
a snail's shell
2
Sponges are the only animals that have no
pores
tissues
defenses
gut
3
In contrast to reptiles, how do mammals walk?
with legs underneath the body.
by side-to-side swaying
in a wide, sprawling stance
through rib muscle contractions
4
What type of mammal gives birth to fully developed live young?
eutherian
plancental
marsupial
monotreme
5
What is mesoglea?
Digestive enzymes inside a nematocyst
Non-cellular jellylike material in cnidarians
Material inside the eye of a cubozoa
Muscle that changes an animal’s shape
6
How are marsupials different from other mammals?
retain a reptilian cloaca
have stiff protective quills
are able to chew their food
bear still-immature young
7
Which trait is found ONLY in mammals?
skeleton adapted to mobility
heart with four chambers
middle ear with three bones
anatomy for bearing live young
8
What is the term for the plates in an echinoderm’s skeleton?
ossicles
cuticle
gametes
central discs
9
A reptile’s heart has how many chambers?
4
3
1
2
10
How do birds get enough oxygen to supply their energy needs during flight?
They do not breathe when they fly
Holes in the beak allow for more air flow
Air sacs on the lungs push more oxygenated air through the body
They breathe faster than any other animal
11
The most physically diverse kingdom of organisms consists of
archaea
animals
plants
fungi
12
Which organism is a monotreme?
kangaroo
platypus
human
koala
13
What is a mollusk’s mantle made from?
Hard exoskeletal spinum
secretions hardened with calcium
hemocoel
chitin
14
A sessile animal is one that is unable to
bud
reproduce
move
eat
15
What is the function of the mammalian mammary glands?
enhance chewing
produce milk
grow fine hair
nourish embryos
16
What is a set of inherited characteristics that all animals share?
Both haploid and diploid stages
Collagen to support cells
Rigid cell walls holding cells in place
Chloroplasts to make food
17
In birds, which part of the skeleton is modified to support attachment of large chest muscles?
backbone
leg bones
sternum
wing tips
18
How does a sea sponge reproduce asexually?
male sponges release sperm which float to the female sponges
budding
Releasing sperm and ovum into the water
tiny swimming organisms like shrimp fertilize them by carrying gametes
