BIOL 112 Practical 1 by Roddy Gonzalez

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BIOL 112 Practical 1

Published on Dec 03, 2015

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PRESENTATION OUTLINE

PRACTICAL #1

Photo by chexee

HORNY BEAK INSIDE OF BASAL BALL

2 ARMS

8 TENTACLES

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OVARY

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DESCRIBE

MOVEMENT IN NEMATODES

10.

LOCOMOTION IN NEMATODES

IS WHIP-LIKE AND RANGE OF MOVEMENTS LIMITED

Photo by Denni Schnapp

11.

DESCRIBE

MOVEMENT IN FLATWORMS

12.

WHILE IN CONTACT WITH A SOLID OBJECT

PROPELLED BY MUSCULAR WAVES AND BEATING OF TINY CILIA

Photo by prilfish

13.

DEFINE

SCHIZOCOELY

14.

WHEN A COELOM IS FORMED

BY SPLITTING THE MESODERMAL EMBRYONIC TISSUES

15.

WHAT IS

A PROTOSOME?

16.

PROTOSTOMES ARE

THAT HAVE A COMPLETE DIGESTION SYSTEMS IN WHICH THE MOUTH FORMS FIRST

Photo by prilfish

17.

FUNCTION OF

SQUIDS SIPHON

18.

WATER ENTERS THROUGH THE COLLAR

AND IS PROPELLED THROUGH THE SIPHON

Photo by bradleyolin

19.

WHAT IS AN ACOELOMATE?

20.

LACKS A COELOM

(DOES NOT HAVE A TRUE BODY CAVITY)

21.

WHAT IS A PSUEDOCOELOMATE?

22.

HAS THE BEGINNINGS OF A BODY CAVITY

BUT IT LACKS MESENTERY (PERITONEUM)

23.

WHAT IS A COELOMATE?

24.

HAVE A TRUE COELOM (BODY CAVITY)

ORGANS ARE INCASED IN PERITONEAL MEMBRANE

25.

DO SQUIDS HAVE

MUSCULAR FEET?

26.

YES

THEIR TENTACLES ARE THE MUSCULAR FEET

Photo by Sebastian Niedlich (Grabthar)

27.

Slide Notes