Animals that see only black and white have predominantly what type of photoreceptors?

Marsupial moles and placental moles do not share a recent common ancestor but they are both adapted to living underground, with similar body shape, reduced eyes, and spade-like legs for digging. This is an example of _________________ evolution.  

Fill in the blank(s) with the appropriate word(s).

When artificial methods are used to modify living organisms to produce new compounds or perform new functions, what is this process called?

a. bioremediation b. bioradiation c. biotechnology d. biotechnicality

In secondary growth of a plant, a(an) ___

gives rise to ___ and a(an) ___ gives rise to ___.

a. vascular cambium-wood/ cork cambiumperiderm b. cork cambium-wood/apical meristemperiderm c. apical meristem-wood/apical meristemperiderm d. vascular cambium-periderm/cork cambiumwood e. vascular cambium-wood/apical meristemperiderm

A nucleotide is composed of at least one sugar, one phosphate group, and ____

a. one nitrogen-containing base b. one amino acid c. multiple cholesterol molecules d. fatty acid chains e. ATP