Bio Lab Practical 2

diploblastic

includes two germ layers

triploblastic

includes two germ layers plus a mesoderm

Porifera

What phylum are sponges in?

Hydrozoa, Scyphozoa, Anthozoa

Name class groups in Phylum Cnidaria.

Mutation, drift, gene flow, and selection

Name the processes of evolution.

Clonorchis, uterus

What kind of figure is this? What is the brown part? 

Asymmetrical. No tissues, organs, nervous system. Filter feeding

Describe sponges. (symmetry type + what do they lack?) How do they feed?

choanocytes

flagellated cells aka collar cells in sponges help with feeding and respiration. 

ostia to osculum; spongocoel

How does water flow thru a sponge? ___ to ____. And what is the large central cavity it passes thru?

cells

What are sponges made of?

protostome

blastopore becomes the mouth.

deuterostome

blastopore becomes the anus

radial, diploblastic. Medusa + polyp. Nerve net.

Describe cnidaria. What is the swimming and sessile phases. What allows communication thru the body?

cnidocytes. Nematocyst

What are stinging cells of cnidarians called? And whats the part inside?

Hydra, Obelia, Siphonophores

Groups within Hydrozoa:

Hydra

What kind of organism is this?

Medusa obelia

What kind of organism is this?

polyp obelia

Whats this branch looking figure?

Siphonophores. Hydrozoa

What are these balloon like organisms? What class are they in?

Portuguese Man o War. Cnidaria. Hydrozoa.

what the hell is this? Name the phylum and class.

mesoglea

Hydrozoa lack many organs. They have a gelatinous layer called the__

aurelia (jellyfish). Medusa

Who is in Scyphozoa? And what stage dominant?

aurelia medusa. Scyphozoa

Name the organism and class.

aurelia

what creature has this life cycle?

anemones + corals

What does Anthozoa consist of?

aurelia ephyrae

anemones

what is this fluffy weirdo?

coral

what are these?

Turbellaria, Trematoda, Cestoda

What classes are within phylum Platyhelminthes?

Planarians

Whats within Turbellaria?

flukes

Whats in the class Trematoda?

tapeworms

Whats in the class Cestoda?

clonorchis sinenis. ‘Liver fluke’

What is this? What is this also known as?

Schistosome, blood fluke

What is this? What is it also known as?

scolex. proglottids

What does the head of a tapeworm have? And what are the body sections called?

tapeworms

What is these?

Cestoda

What class is this part of?

Planarian. Regeneration

Whats this flatworm? And what is it known for?

diplobastic

Are cnidarians triplo or diploblastic?

bilateral, radial, asymmetrical

Name the symmetry types in order. A to C

cephalization

the development of sense organs and nervous system control at the body's leading head

triploblastic

Are platy diploblastic or triploblastic

trematode cercaria. Trematode

What is this? What class?

acoelo

Are cnidarians acoelo or coelomates?

acoelo

Are platyhelminthes acoelo or coelomates

scypha. Porifera

What is this awesome organism? What phylum?

anthozoa

What class is this in?

earthworm

What is this showing?

Cross section earthworm

What is this? Hint: cross section

yes

type yes to move on after looking at it. This is the inside of an earthworm.

acoelomate

What type of body cavity is this? acoelomate, pseudo or coelo?

pseudocoelomate

What type of body cavity is this? acoelomate, pseudo or coelo?

pseudocoelomate

fluid-filled space that lies between tissues of mesodermal origin (typically muscles just within the body wall) and tissues that derive from embryonic endoderm

coelom

a fluid-filled body cavity completely lined by mesoderm

C, because it has a body cavity

Which is a coelomate? A(top), C (bottom). What makes it C?

Polychaetes, Oligochaeta, Hirudinea

What classes part of Phylum Annelida?

nereis and marine worms

Who is in Polychaeta?

Polychaeta, nereis

What class is this in? Name the organism.

earthworms

What does Oligochaeta include?

earthworm, oligochaeta. Yes

What is this organism? What class? Is it a coelomate?

leeches

What does Hirudinea include?

reproduction

What role does the clitellum play in earthworms and leeches?

leeches

This organism is a sucker.

C elegans, ascaris

What organisms are in phylum Nematoda?

ecdysis

the molting of the exoskeleton

C elegans. Nematoda

what is this? Name the phylum too.

T

T or F. Roundworms go thru ecdysis?

ascaris

What is this? 

ascaris

cross section of__

Yes

Earthworm inside detailed. Yes to proceed

Trematoda

What class is Clonorchis?

rotifer

What the hell is this? 

Yes

This is a squid. Yes to continue.

yes

More squid parts. Yes to continue

Mollusca

Name the phylum that includes snails, slugs, octopus, oysters, scallops, etc.

Classes: Gastropoda, Bivalvia, Polyplacophra, Cephalopoda

Gastropoda

Identify the class that includes snails, slugs, limpets

Mollusca

These organisms share a basic four-part body plan (head, foot, visceral mass, mantle), even though they look extremely different externally. Name the phyum.

T

This is a mollusk. T or F

Gastropoda, Mollusca

Name the class and phylum.

Bivalvia

What class includes these organisms?

Cephalopoda

Octopus, squid, nautili, cuttlefish. Which class? Ignore the text

Chiton, polyplacophra

What the hell is this? Name the class its part of.

True

All within the Mollusca Phylum is triploblastic! True or False

triploblastic

Nematoda and Annelida are diplo or triplo?

yes

chitons have 8 dorsal plates. yes or no

Coleoptera

Which insect order includes beetles?

crayfish

What kind of weird creature is this?

Arthropoda, Malacostraca

Name the phylum and class of this creature.

Class hint: Mala___

close the shell

What do adductor muscles do in clams and other bivalvia?

visceral mass

Which major part of a Mollusk includes its heart, digestive, and reproductive organs?

Exoskeleton, Segmentation + Tagmatization, Body appendages + Movement, Nervous System + Sense Organs

What does the body plan of an arthropod compose of?

head, thorax and abdomen

What are the three tagmata of Insecta and Malacostraca?

cephalothorax

Fused head and thorax is called..

yes

Annelids + all classes/phylums Chapter 10-12 is a coelomate. Yes to continue

yes

Nematoda and Rotifera are pseudocoelomates. yes to move on.

cephalothorax, abdomen

With the exception of Insects and Malacostraca, what is the tagmata plan for the other classes?

Crypsis

A stick insect looks like a stick. Is this crypsis or mimicry? If mimicry, batesian or mullerian?

Batesian mimicry

What is it called when a harmless species appears as a harmful species?

Mullerian mimicry

When two or more harmful species evolve to appear similar

Batesian

Milk snake (harmless) mimicking a coral snake (venomous). What type of mimicry is ts?