Based on the Phylogenetic Tree in the Figure Given Below

question 50

Multiple Choice

Based on the phylogenetic tree in the figure given below, which of the following statements is correct?

• A) The most recent common ancestor of Excavata is older than that of SAR.
• B) The most recent common ancestor of red algae and plants is older than that of nucleariids and fungi.
• C) The most basal (first to diverge) eukaryotic supergroup cannot be determined.
• D) Excavata is the most basal eukaryotic supergroup.

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Definitions:

Organ Systems

Groups of organs in the body that work together to perform complex functions necessary for life, such as the circulatory or digestive systems.

Amniotic Sac

The sac containing the fetus.

Embryo

An early stage of development in multicellular organisms, in humans, it refers to the period from fertilization until the eighth week of pregnancy.

Fetus

A fetus is the term for an unborn offspring from the eighth week after fertilization until birth, characterized by rapid growth and development of bodily structures.