The Simplest Animals with a Closed Circulatory System Are

question 78

Multiple Choice

The simplest animals with a closed circulatory system are

• A) birds.
• B) amphibians.
• C) annelids.
• D) fishes.
• E) reptiles.

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Definitions:

German Measles

Also known as Rubella, a contagious viral infection best known by its distinctive red rash.

Rubella

A contagious viral infection best known for its distinctive red rash.

Intellectual Disabilities

Conditions characterized by significant limitations in both intellectual functioning and in adaptive behavior, which covers many everyday social and practical skills.

Zygote

The initial cell formed when a new organism is produced by sexual reproduction, resulting from the union of an ovum and a sperm.