Which of the following processes is not an example of a reflex action?
Blinking of the eye
Reading
Beating of the heart
Sneezing
Correct answer is B
No explanation has been provided for this answer.
The part of the brain that controls and coordinates body posture is the
cerebellum
hypothalamus
medulla oblongata
pons varolii
Correct answer is A
No explanation has been provided for this answer.
Which of these has the most complex level of organization?
Euglena
Hydra
Heart
Virus
Correct answer is C
No explanation has been provided for this answer.
All the following organelles have membranes except
nucleus
vacuole
cell membrane
cell wall
Correct answer is C
No explanation has been provided for this answer.
The hydra has two body layers of cells called
ectodermis and enteron
ectodemt and endoderm
endodermis and dermis
epidermis and dermis
Correct answer is B
No explanation has been provided for this answer.