Gastropoda Samenvattingen, Aantekeningen en Examens

Coelomate Body cavity surrounded by mesoderm with complex organs and compartments Protosomes a) Cleavage is spiral and determinate b) Blastopore becomes mouth c) Coelom forms by a splitting of the mesoderm 00:21 01:22 Phylum Mollusca: Mantle specialized layer of epidermal cells Phylum Mollusca: Shell secreted by mantle. Most are external, some are remnants, some have no shells Describe the coelom for Phylum Mollusca The coelom is only a small chamber ...

1) What are the cells in a sponge that are primarily responsible for trapping food particles from circulating water? A) amoebocytes B) choanocytes C) mesohyl cells D) pore cells (porocytes) E) epidermal cells Answer: B 9) A radially symmetrical animal that has two embryonic tissue layers belongs to which phylum? A) Porifera B) Cnidaria C) Platyhelminthes D) Nematoda E) Echinodermata Answer: B 10) All of the following are characteristics of the phylum Cnidaria except A) a gastrovascular cavity. B...

Complete notes covering all invertebrate classes and phylum with an emphasis on marine invertebrates. Includes information on physiology, anatomy, evolution, and morphology.

This document provides the key adaptations of the phylum Mollusca. It goes into details for the three main classes- Gastropoda, Cephalopoda and Bivalvia. Others are discussed in relation to phylogentic relations of the phylum.

TEST 3 H BIOLOGY TEXT BASED MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements about the Domain Bacteria is TRUE? A) Bacteria are able to increase their genetic variability by reproducing sexually. B) Bacteria are multicellular microbes. C) Chloroplasts are found in photosynthetic bacteria. D) Bacteria lack membrane-bound organelles. E) Bacterial endospores are fragile structures that are easily destroyed. 2...

TEST 3 H BIOLOGY TEXT BASED MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements about the Domain Bacteria is TRUE? A) Bacteria are able to increase their genetic variability by reproducing sexually. B) Bacteria are multicellular microbes. C) Chloroplasts are found in photosynthetic bacteria. D) Bacteria lack membrane-bound organelles. E) Bacterial endospores are fragile structures that are easily destroyed. 2...