Sponges Cnidarians Ctenophores And Protostomes - Biology | Biology+

Course

Introductory Biology

Study Pack

Set 1: A View of Life

Set 2: Atoms and Molecules: the Chemical Basis of Life

Set 3: The Chemistry of Life: Organic Compounds

Set 4: Organization of the Cell

Set 5: Biological Membranes

Set 6: Cell Communication

Set 7: Energy and Metabolism

Set 8: How Cells Make Atp: Energy-Releasing Pathways

Set 9: Photosynthesis: Capturing Light Energy

Set 10: Chromosomes, Mitosis, and Meiosis

Set 11: The Basic Principles of Heredity

Set 12: DNA: The Carrier of Genetic Information

Set 13: Gene Expression

Set 14: Gene Regulation

Set 15: DNA Technology and Genomics

Set 16: Human Genetics and the Human Genome

Set 17: Developmental Genetics

Set 18: Introduction to Darwinian Evolution

Set 19: Evolutionary Change in Populations

Set 20: Speciation and Macroevolution

Set 21: The Origin and Evolutionary History of Life

Set 22: The Evolution of Primates

Set 23: Understanding Diversity: Systematics

Set 24: Viruses and Subviral Agents

Set 25: Bacteria and Archaea

Set 26: Protists

Set 27: Seedless Plants

Set 28: Seed Plants

Set 29: The Fungi

Set 30: An Introduction to Animal Diversity

Set 31: Sponges, Cnidarians, Ctenophores, and Protostomes

Set 32: The Deuterostomes

Set 33: Plant Structure, Growth, and Development

Set 34: Leaf Structure and Function

Set 35: Stem Structure and Transport

Set 36: Roots and Mineral Nutrition

Set 37: Reproduction in Flowering Plants

Set 38: Plant Developmental Responses to External and Internal Signals

Set 39: Animal Structure and Function: an Introduction

Set 40: Protection, Support, and Movement

Set 41: Neural Signaling

Set 42: Neural Regulation

Set 43: Sensory Systems

Set 44: Internal Transport

Set 45: The Immune System: Internal Defense

Set 46: Gas Exchange

Set 47: Processing Food and Nutrition

Set 48: Osmoregulation and Disposal of Metabolic Wastes

Set 49: Endocrine Regulation

Set 50: Reproduction

Set 51: Animal Development

Set 52: Animal Behavior

Set 53: Introduction to Ecology: Population Ecology

Set 54: Community Ecology

Set 55: Ecosystems and the Biosphere

Set 56: Ecology and the Geography of Life

Set 57: Biological Diversity and Conservation Biology

Set 31 Sponges Cnidarians Ctenophores And Protostomes

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Set 31 Sponges Cnidarians Ctenophores And Protostomes

(Multiple Choice)

Free

Figure 31-1

Figure 31-1 Refer to the accompanying figure. What is the structure labeled as 9? A) medusa B) planula C) miracidium D) feeding polyp E) polyp colony

Refer to the accompanying figure. What is the structure labeled as 9?

A) medusa
B) planula
C) miracidium
D) feeding polyp
E) polyp colony

Answer

(Multiple Choice)

Free

Which of the following is NOT a correct statement regarding collar cells?

A) They make up the inner layer of certain sponges.
B) The collar cell is an extension of the cell wall and consists of microvilli.
C) Collar cells create a water current that brings food and oxygen to the cells, and carries away carbon dioxide and other wastes.
D) Collar cells trap and phagocytize food particles.
E) Together, the collar cells of some sponges can pump a volume of water equal to the volume of the sponge each minute.

Answer

(Multiple Choice)

Free

Which of the following is NOT characteristic of cnidarians?

A) They are mostly marine.
B) They have radial symmetry.
C) They have one body shape, known as medusa.
D) They have cells that contain stinging organelles.
E) There is only one opening into the gastrovascular cavity.

Answer