Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/66

Click to flip

66 Cards in this Set

  • Front
  • Back

What are the 3 basic processes in deuterostome development?

mitosis, morphogenesis, differentiation

What are the 2 clues that fertilization has occurred in deuterostome development?

1. presence of fertilization envelope


2. sperm and nuclei are not present

What classes are in phyla Echinodermata?

1. Crinoidea


2. Ophiuroidea


3. Echinoidea


4. Holothuroidea


5. Class Asteroidea

What phylum and class do feather stars and sea lilies belong to?

Phylum Echinodermata


Class Crinoidea

What phylum and class do brittle stars belong to?

Phylum Echinodermata


Class Ophiuroidea

What phylum and class do sand urchins and sand dollars belong to?

Phylum Echinodermata


Class Echinoidea

What phylum and class does the sea cucumber belong to?

Phylum Echinodermata


Class Holothuroidea

What phylum and class does the starfish belong to?

Phylum Echinodermata


Class Asteroidea

Class Crinoidea are __________ feeders


filter

How do Class Crinoidea obtain food?

use arms to trap food particles

Describe Class Ophiuroidea arms

-5 distinct slender, jointed arms


-use arms to crawl/ swim rapidly


-arms break easily and are quickly regenerated

Do animals in Class Holothuroidea have arms?

no

Describe how Class Holothuroidea obtains food

-mouth at center of crown of feeding tentacles


-eat plankton or scavenge dead organic matter

What shape are the bodies of animals in Class Asteroidea?

star shaped

Where are animals in Class Asteroidea found?

Atlantic coast of North Amerixa

What do animals in Class Asteroidea eat?

oysters

What is causing Class Asteroidea to die off?

increased water temperatures


infection of a densovirus

Adults of Phylum Echinodermata display what type of symmetry?

radial

What is the most distinctive feature of Phylum Echinodermata?

water vascular system

What acts as the principal medium for transport of food and respiratory gases for animals in Phylum Echinodermata?

coelomic fluid

What is this animal and what phylum and class does this animal belong to?

What is this animal and what phylum and class does this animal belong to?

Brittle Star


Phylum Echinodermata


Class Ophiuroidea

What animal is this and what phylum and class does it belong to?

What animal is this and what phylum and class does it belong to?

Crinoid


Phylum Echinodermata


Class Crinoidea

What animal is this and phylum and class does it belong to?

What animal is this and phylum and class does it belong to?

Sea Urchin


Phylum Echinodermata


Class Echinoidea

What animal is this and what phylum and class does it belong to?

What animal is this and what phylum and class does it belong to?

Sand Dollar


Phylum Echinodermata


Class Echinoidea

What animal is this and what phylum and class does it belong to?

What animal is this and what phylum and class does it belong to?

Sea Cucumber


Phylum Echinodermata


Class Holothuroidea

What animal is this and what phylum and class does it belong to?

What animal is this and what phylum and class does it belong to?

Starfish


Phylum Echinodermata


Class Asteroidea

What are the 5 important characteristics that all chordates share at some point in their development?

1. a notochord


2. pharyngeal gill slits


3. dorsal hollow nerve cord


4. post-anal tail


5. endostyle/thyroid

What animal is this and what phylum and subphylum does it belong to?

What animal is this and what phylum and subphylum does it belong to?

Lancelet

Phylum Chordata


Subphylum Cephalochordata



What animal is this and what phylum and subphylum does it belong to?

What animal is this and what phylum and subphylum does it belong to?

Tunicate


Phylum Chordata


Subphylum Urochordata

What are the defining characteristics of Subphylum Vertebrata in Phylum Chordata?

-cranium and spinal column


-dorsal hollow nerve cord retained in adult

What are the defining characteristics of Subphylum Cephalochordata in Phylum Chordata?

-retain all chordate characteristics as adults


-well developed coelom


-fusiform body with prominent muscle segments

What are the defining characteristics of Subphylum Urochordata in Phylum Chordata?

-primitive circulatory system


-neural tube and notochord are lost in sedentary adult

What forms the dermal skeleton in star fish?

ossicles

How do starfish move?

-movement is coordinated by a nervous system with a nerve ring in the central disc and a nerve cord running down each arm


-water vascular system acts as hydraulic system during locomotion


-tube feet

Describe the reproductive system of the perch

female: ovary is an organ colored sac filled with eggs


male: testes are pair of white elongated bodies



What is the function of the air bladder in the perch?

secretion and absorption of gasses to adjust to different depths of water

Describe protostomes

-blastopore becomes mouth


-schizocoelic


-cleavage=spiral, determinate

Describe deuterostomes

-blastopore becomes anus


-enterocoelic


-cleavage= radial, indeterminate

What are the main body regions of the perch?

1. head


2. trunk


3. tail

Which subphylum of Phylum Chordata retains all 5 chordate characteristics through its whole life?


subphylum Cephalochordata

What is the function of epithelial tissue?

-covers both internal and external body structures


-sometimes has a role in absorbing or secreting substances

What are some specific examples of epithelial tissue?

-stratified squamous


-simple squamous


-simple cuboidal


-simple columnar

What is the function of connective tissue?

-specialize in binding and support, protection, internal transport, storage and insulation

What are some specific examples of connective tissue?

-adipose


-blood


-bone


-dense fibrous


-loose fibrous


-hyaline cartilage

What is the function of muscle tissue?

-contraction for the purposes of movement

What are some specific examples of muscle tissue?

-cardiac


-skeletal


-smooth

What is the function of nervous tissue?

communication



Nervous tissue is composed of two classes of cells called

neurons and glia

Microscopic study and classification of animal cells and tissues

histology

What does histology explain?

how a cell's structure enhances its functionality

What type of cells are these?
What type of cells are these?

simple squamous

What type of cells are these?

What type of cells are these?

simple cuboidal

What type of cells are on the perimeter?

What type of cells are on the perimeter?

simple columnar

What is the defining characteristic of Phylum Echinodermata?

water vascular system

How many types of tissue are there and what are they?


4; epithelial, connective, muscle, nervous

Where do frogs reproduce?

in water or in very moist places on land

What is aquatic larval stage that most frogs go through called?

tadpole

Why must amphibians live in damp habitats on land and must return often to the water?

amphibians have only a rudimentary ability to conserve body water and use their skin as a respiratory surface

How do adult frogs move?

powerful hindlegs and webbed feet

What are the smaller front legs of the frog used for?

to raise the front of the body above the ground

Contraction of a muscle causes it to _____ in length so that the structures to which it is attached are _________________.

shorten, brought towards each other

What type of muscle causes bending?

flexor

What type of muscle straightens or extends part of the body

extensors

What type of muscles move a part toward the axis or midline of the body?

adductor

What type of muscles move a part away from the axis or midline of the body

abductor

Sheets of tough connective tissue

fascia