Which Fish Were Thought to Be Extinct,but Were Actually Found

question 18

Multiple Choice

Which fish were thought to be extinct,but were actually found in living populations?

• A)Ostracoderms
• B)Acanthodii
• C)Placodermi
• D)Acanthostega
• E)Coelacanth

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Definitions:

Saprotrophic Decomposers

Organisms that decompose organic matter by secreting digestive enzymes, absorbing and recycling nutrients.

Recycling

The process of converting waste materials into new materials and objects, aiming to reduce the consumption of fresh raw materials.

Nutrients

Substances obtained from food that are essential for growth, metabolism, and for maintaining life.

Black Bread Mold

A common fungus, Rhizopus stolonifer, known for rapidly growing on bread and producing black pinhead colonies.