Which Group Includes Species That Form Large Toxic Red Tides

question 68

Multiple Choice

Which group includes species that form large toxic red tides in the ocean?

• A) Foraminiferans
• B) Dinoflagellates
• C) Kinetoplastids
• D) Paramecium
• E) Euglena

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Definitions:

Defensin Genes

Genes that encode for defensins, which are small cysteine-rich cationic proteins involved in the innate immune system by providing a first line of defense against pathogens.

Hox Genes

A group of related genes that control the body plan of an embryo along the head-tail axis by specifying regions of identity.

Ectodermal Tissue

One of the three primary germ layers in the embryo of a multicellular organism, which gives rise to the skin and nervous system.

Body Wall

The outermost layer of an organism's body, protecting internal organs and systems from external threats or injuries.