Two Different Species May Have Similar Features Because of

question 65

Multiple Choice

Two different species may have similar features because of

• A) continental drift.
• B) the fossil record.
• C) artificial selection.
• D) descent from a common ancestor.

Identify proper methods for developing a research hypothesis.

Know the role of serendipity in scientific discoveries.

Understand the characteristics of a theory.

Explain the importance of testing common sense ideas in research.

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Definitions:

Stratum Corneum

The outermost layer of the epidermis, consisting of dead skin cells that provide a barrier against infection and environmental threats.

Free Edge

The free edge refers to the part of a structure that is not attached or fixed to surrounding tissue, commonly used in the context of fingernails or other body parts.

Hyponychium

The area of soft tissue found under the free edge of the fingernail or toenail, acting as a barrier to protect the nail bed from infections.

Sebaceous Glands

Oil-producing glands in the skin that lubricate and protect the surface.