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Unit 10: Sponges, Cnidarians, & Worms Flashcards | StudBud
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Unit 10: Sponges, Cnidarians, & Worms
Unit 10: Sponges, Cnidarians, & Worms
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first animals unit, Sponges, Cnidarians, & Worms
Flashcards
33 cards
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Questions
33
Answers
1
Which of these is vase-shaped?
polyp
adult jellyfish
medusa
sponge larva
2
What is the Domain of all animals?
Animalia
Bacteria
Archaea
Eukarya
3
What is the phylum of an earthworm?
Nematoda
Annelida
Cnidaria
Platyhelminthes
4
The bodies of cnidarians have
radial symmetry
bilateral symmetry
no symmetry
depends on the type of animal
5
What is the phylum of the animal in the picture?
Porifera
Cnidaria
Nematoda
Platyhelminthes
6
What is the phylum of the animal in the picture?
Annelida
Platyhelminthes
Porifera
Nematoda
7
What type of symmetry do these animals have?
assymetrical
bilateral
no symmetry
radial
8
Organisms that grow on or in other organisms are called
prey
hosts
parasites
scavengers
9
Animals without backbones are known as
chordates
vertebrates
invertebrates
mammals
10
Which of the following is a characteristic shared by all animals?
multicellular
have skeletons
reproduce asexually
eat plants
11
An animal that has a backbone is called a/an
invertebrate
Cnidarian
vertebrate
predator
12
Is a planarian free-living or a parasite?
free-living
parasite
13
In a(n) _____________________ circulatory system, blood moves only through blood vessels.
clear
open
advanced
closed
14
Planarians belong to the group of worms known as
Platyhelminthes
roundworms
flatworms
segmented worms
15
Which of the following is a characteristic of animals with radial symmetry?
no distinct head or tail ends
faster on land than in water
have sense organs at the front of their bodies
move quickly to catch prey
16
The process by which a new organism forms from the joining of an egg cell and a sperm cell is
asexual reproduction
sexual reproduction
budding
adaption
17
Roundworms have
two openings (separate mouth & anus)
a closed circulatory system
complex brain
one opening (same mouth/anus)
18
Which of the following describes a roundworm’s digestive system?
Food enters through a feeding tube
Food enters the body and wastes through the same opening
Food travels through the digestive system in two directions
digestive system is like a tube that is open at both ends
19
Which kinds of animals live in a coral reefs?
only invertebrates
only vertebrates
invertebrates and vertebrates
only corals
20
Which of these is a function of spikes in a sponge?
To digest and distribute food
To obtain oxygen
To help the sponge reproduce
Protect the sponge’s body
21
What is the phylum of a sponge?
Porifera
Cnidaria
Nematoda
Annelida
22
A cnidarian expels undigested food through its
nose
mouth
tentacles
anus
23
Which of these is a phylum of worms?
Porifera
Invertebrates
Cnidaria
Annelida
24
What do earthworms do to soil?
add moisture to it
poison it with their wastes
damage it by tunneling
make it more fertile with their wastes
25
How does a sponge obtain its food?
Spikes stab/kill the food
Collar cells filter the food from water
Pores absorb the food
Jelly-like cells trap the food
26
An animal has bilateral symmetry if
can split in 1/2 down the middle
many lines of symmetry
2 lines of symmetry
no symmetry
27
What type of symmetry do sponges have?
radial
bilateral
no symmetry/assymetrical
28
The process by which a single organism produces a new organism identical to itself is called
none of these
Asexual reproduction
budding
sexual reproduction
29
A sea anemone is an example of a cnidarian with what type of body plan?
coral
medusa
hydra
polyp
30
What makes up a coral reef?
skeletons of both dead and living corals
skeletons of living corals
skeletons of dead corals
the jelly produced by living corals
31
What type of worm may be the most abundant (plentiful) animal on Earth?
roundworms
earthworms
flatworms
segmented worms
32
A segmented worm’s circulatory system
sloshes blood around freely inside the worm
is shaped like a tube with two openings
has blood vessels only in a few segments
moves blood in a network of blood vessels
33
What is the Kingdom of all animals?
Animalia
Fungi
Eukarya
Porifera
