True or False
True or False:
The majority of animals perform sexual reproduction, although many invertebrates also use asexual reproduction.
True.
Which Phylum does a leech belong to?
a) Gastropods.
b) Annelids.
c) Arthropods.
Annelids
Which Phylum do intestinal worms belong to?
Nematodes
Some species of bears eat plants and animals, what type of nutrition do they have?
Omnivorous.
True or False:
There are invertebrates with internal skeleton.
True
Are all cindarians sea animals?
No, because Hydra is a freshwater cnidarian.
If you observe a parasitic worm with flat segmented body, which animal is it?
Tapeworm (Phylum: Flatworm).
What type of symmetry does the butterfly have?
Bilateral symmetry
True or False:
All animals have tissues.
False.
(Porifera don't have tissues)
Which class / group of mollusc has an internal shell?
Cephalopods (ex.: squids)
How do gastropods move?
Muscular foot.
What type of respiration do aquatic animals have?
Gill respiration.
True or False:
Invertebrates are ectotherms, because their temperature is dependent on the temperature outside their bodies.
True.
(This is why invertebrates can't live in very hot or cold climates).
The jellyfish that produce sexual cells and, later, their larvae have a polyp stage before being an adult. What type of reproduction do they perform?
Alternating reproduction.
Which structure allows snails to grid the leaves?
Radula.
Some invertebrate animals undergo a series of transformations before becoming an adult. What is this process called?
Metamorphosis.