Question 1

The larval stages of all three lophophorate phyla are

Accepted Answer

A) also sessile,having budded off from the parent. 
B) parasitic on other animals. 
C) trochophores. 
D) bilateral planula larvae. 
E) free-swimming. 
A) also sessile,having budded off from the parent. 
B) parasitic on other animals. 
C) trochophores. 
D) bilateral planula larvae. 
E) free-swimming.

Question 2

The lophophorate phyla are grouped together because

Accepted Answer

A) they all belong to the deuterostome branch of the bilateral animals. 
B) they all possess a specialized crown of tentacles specialized for sedentary filter feeding. 
C) they all lack a true coelom. 
D) all appear to be derived from the Entoprocta ancestors. 
E) they simply do not fit anywhere else. 
A) they all belong to the deuterostome branch of the bilateral animals. 
B) they all possess a specialized crown of tentacles specialized for sedentary filter feeding. 
C) they all lack a true coelom. 
D) all appear to be derived from the Entoprocta ancestors. 
E) they simply do not fit anywhere else.

Question 3

Compare lophotrochozoans developmental features.Do they share a similar body plan?

Accepted Answer

Lophotrochozoans are a diverse group of

Question 4

Brachiopoda

Accepted Answer

A) are called bryozoans. 
B) have a mantle and two valves (shells). 
C) live in deep ocean bottoms. 
D) are wormlike burrowers. 
E) are colonial. 
A) are called bryozoans. 
B) have a mantle and two valves (shells). 
C) live in deep ocean bottoms. 
D) are wormlike burrowers. 
E) are colonial.

Exam 15: Polyzoa and Kryptrochozoa

The larval stages of all three lophophorate phyla are

The lophophorate phyla are grouped together because

Compare lophotrochozoans developmental features.Do they share a similar body plan?

Brachiopoda

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, Protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

Filters