The Phylogenetic Tree Below _____

question 20

Multiple Choice

The phylogenetic tree below _____.

• A)depicts the three major domains of life
• B)includes unicellular but not multicellular life
• C)includes unicellular and some forms of multicellular life,but not complex animals and plants
• D)includes noncellular life-forms

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Definitions:

Collagen Fibers

Strong, flexible bundles of the protein collagen that are major components of connective tissue, skin, bone, ligaments, and tendons, providing structure and strength.

Connective Tissue

Tissue that supports, connects, or separates different types of tissues and organs in the body, composed of cells embedded in an extracellular matrix.

Matrix

In biology, the inner substance in which cells, tissue components, or structures are embedded; in mathematics, a rectangular array of numbers or other elements.

Spongy Bone

A porous type of bone tissue found at the ends of bones and within the vertebral bones, characterized by a honeycomb-like structure.