The simplest animals to show leukocytes with limited immune function are:
A) echinoderms and tunicates.
B) cephalopods.
C) arthropods.
D) vertebrates.
E) mammals.

Name: The simplest animals to show leukocytes with limited immune function are: A) echinoderms and tunicates. B) cephalopods. C) arthropods. D) vertebrates. E) mammals.
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Question

Quizplus · Accepted Answer

Echinoderms and tunicates are among the simplest animals that possess leukocytes, which are involved in basic immune functions.

The Simplest Animals to Show Leukocytes with Limited Immune Function