Answered: Some animals use diffusion instead of a…

Some animals use diffusion instead of a circulatory system. Examples include: A. sponges and jellyfish B. flatworms and arthropods C. mollusks and annelids D. birds and jellyfish

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter33: Circulation

Section: Chapter Questions

Problem 1SA: All vertebrates have _______ . a. a closed circulatory system b. a two-chambered heart c. lungs d....

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Concept explainers

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.

Question

Some animals use diffusion instead of a circulatory system. Examples include:

A. sponges and jellyfish

B. flatworms and arthropods

C. mollusks and annelids

D. birds and jellyfish

Definition Definition A phylum of organisms also known as "flatworms". They are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.

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