Sponges
True or False: Sponges are invertebrate.
true
Cnidarians have how many openings?
one opening
Name the three types of worms.
What is flatworms, round worms, and segmented worms?
An oyster is a apart of which mollusk group?
bivalve
name 4 of the six attributes of what makes an animal
Nutrition, respiration, circulation, support, movement, reproduction
The sponge has tiny holes called ________
Pores
Special stinging structures are cnidarians are called _________
Nematocysits
Tape worms are a part of which phyla of worms?
flatworms
A squid is a part of which mollusk group?
cephalopods
Explain and provide an example of internal and external fertilization.
internal is when the egg is fertilized inside the females body ex. mammals, external is when both the egg and sperm are fertilized in the water. fish
what is the main source of food for sponges?
they are a filter feeder that feeds on macroorganisms, plankton and algae
A cnidarians that has their one opening mouth on the top are called ___________
polyps
this group of worms are all parasitic
roundworms
All mollusks have ______ bodies
soft
define and provide and example of endothermic vs exothermic
endotherimic is when an organism can produce its own heat. mammals
exothermic have body temperatures that are closer to their environment. green iguana sun bathing
Sponges have thin, spiny structure that form their Skelton called _________
spicules
Hydras are the only cnidarians that live in _________ water.
Freshwater
The earthworm is a part of which worm phylum?
annelids
A slug is a part of which mollusk group?
gastropods
is a bird building a nest a behavior or an instinct
instinct because it is a seasonal response, not taught from a parent.
When a sponge reproduces by means of a part falling off and begins to grow a new sponge, this process is called ______
budding
compare and contrast a medusa and a polyp
both are cnidarian offspring, medusa are free flowing and polyps are stationary on hard surfaces. both have stinging nematocysts.
how do worms reproduce?
some reproduce sexually, some such as flukes reproduce asexually. many worms are hermaphroditic. having both female and male parts
what is the role of most mollusks in the environment?
they are carnivores, herbivores and scavengers, they have a large variety of roles in their environments
define oviparous, ovoviviparous, and viviparous
oviparous = offspring develop inside an egg
ovoviviparous = develop inside the mother with being directly connected
viviparous = draw nutrients directly from mother