Answer:
club mosses
Explanation:
Microphyll is a type of plant leaf defined by the existence of a single non-branching rib. The present species that have microphiles have small and relatively simple leaves, associated with protosteal stems; however in the past there were representatives with microphiles up to one meter long. The most widely accepted theory about the origin of microfiles is that they evolved from lateral projections of the main axis.
Microphils are characteristic of club mosses, spike mosses, and quillworts leaves.
Cardiac muscle cells get all the oxygen they need from the coronary arteries. They do not gather oxygen from the blood flowing inside them but from the blood as received from the coronary arteries. Hope this answers the question. Have a nice day.
Answer:
GABA or gamma-aminobutyric acid is the most important of the inhibitory neurotransmitters in the nervous system. It is the most abundant of them, and it is distributed throughout the brain and spinal cord.
Explanation:
Valence electrons would be found in the outermost shell of atom models!
Hope this helps (:
Answer: Choice D
Explanation: Natural selection explains how the strong survive due to mutations to suit the environment.
