Which of the Following Most Closely Resemble the Earliest Ancestor

question 4

Multiple Choice

Which of the following most closely resemble the earliest ancestor of all animals?

• A) colonial, flagellated protists
• B) unicellular protozoa
• C) colonial algae
• D) gram-negative bacteria

Recognize the differences between light-colored and dark-colored silicate minerals.

Grasp the general abundance and distribution of minerals in the Earth's crust.

Understand the basic atomic structure and the significance of the periodic table in mineralogy.

Recognize the importance of mineral compositions in identifying Earth's crustal and mantle components.

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Definitions:

Hue

The attribute of colors that enables an observer to classify them as red, green, blue, and so on, often determined by the wavelength of light.

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Receptors

Specialized cells or protein molecules that receive and transduce signals in the body and brain.

Fovea

A small depression in the retina of the eye where visual acuity is highest due to the concentration of cones.