What type of organism is a single cell, that is in warm water of a hot spring ?

a. plant
b. virus
c. animal
d. bacterium

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Environmental impacts on evolution : mastery test

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?