Answer:
a) The mucosa is composed of thick, nonkeratinized stratified squamous epithelium.
d) The two layers of muscle in the superior one-third of the muscularis are skeletal
(B and E are repetition of A and D respecticely)
Answer:
It helps insure the survival of a species in a whole.
Explanation:
Allows different species, for example dolphins or meerkats, to mate and ensure survival in their habitats.
Answer:
Fossil C
Explanation:
Lowest under ground, more time passed.
the molecules pass the electron they pump hydrogen ions from one side of the membrane to the other. The high concentration of hydrogen ions pumped into the inner thylakoid space (the thylakoid lumen) can then be used to make ATP by a process called chemiosmosis.
Answer:
The phylum Hemichordata is the one that could form an evolutionary connection between the chordates and non-chordates.
Explanation:
To the phylum Hemichordata belongs a genus that scientists believe could explain how the chordates could evolve from the non-chordates. This genus is Balanoglossus, of the class Enteropneusta.
Balanoglossus is similar to a worm, whose habitat is the seabed, and like other hemicordates it has a stomach, a structure that forms part of its digestive system and fulfills the functions of a spine.
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Chordates and non-chordates brainly.com/question/1387264
