UAB Bio 124 Lab Topic 5 Animals

Phylum and common name of the most common animals in the paleozoic seas

Brachiopoda, lophophore

Phylum with a calcareous endoskeleton

Echinodermata

Phylum with a water vascular system

Echinodermata

Class of Echinodermata that is capable of regineration

Asteroidea and holothuroidea

The mouth of an asteroidea is directed toward ____

substrate

Class that have Tube feet

Asteroidea, holothuroidea

Test (body) is made of many plates which are fused together

Class Echinoidea

The oldest and most primitive echinoderms

Crinoidea

For class Asteroidea the mouth is directed toward _____ and for class Crinoidea the mouth is pointed _____

substrate, upward

Phylum that has two characteristics, ___ and ____, that show that its members arre related to chordates

Hemichordata

Those with a backbone that remains cartilaginous

hagfish chondrichthyes

What was the age of the fishes?

Devonian

What do hagfish (class myxini) feed on?

detritus: organic matter formed by decomposition of stuff. Dead stuff.

The subphylum that includes the lampreys is____ and the class of the lampreys is _____

Cephalochordata, cephalospidomorphi

Lampreys have cartilaginous pipe around notochord with stuff that is similar to vertebrae (cephalospidomorphi)

True

HOw do chondrichthyes osmoregulate

urea in blood

Chondrichthyes have a swim bladder

True

Chondrichthyes teeth are modified ___

scales

In osteichthyes ____ replaces cartilage during development

calcium phosphate

lungfish lobe finned, and coelacanths

subclass of osteichthyes, sarcopterygll

subclass of osteichthyes (bony fish) that are the most common

Actinopterygil

Age of Amphibians

Carboniferous

how many nostrils do amphibia have

2

grouping pisces have ___ chambers in their hearts and class amphibia have ___

2. 3

packets of sperm laid by amphibians that are picked up by females

spermatophores

Difference between frogs and toads

Frogs have smooth moist skin, toads have warty/bumpy dry skin

What are Newts

special salamanders with a keeled (like an oar) tail

Order apoda are tropical

true

Internal fertilization is first seen in ___

reptiles

Order that includes Tauatara

Rhychocephalia

most of this organisms order became extinct. It has a 3rd eye

sphenodon

Birds (class aves) have ___ that provide higher efficiency for gas exchang

air sacs (example of counter current exchange

Age of the mammals

Cenozoic

Reptiles have a diaphram

false. Mammals do

Mammals arose from the

therapsids

What are the three bones (ossicles) of middle ear (mammals)

malleus, incus stapes.