The signal will start from the eyes. The message is carried by sensory neurons to the spinal cord. There, the "impulse" will transfer to motor neurons which will carry it to the brain. So in short:
Sensory neurons --> spinal cord --> motor neurons --> brain
The pine tree has unprotected seeds; the apple tree has seeds in fruit. The pine tree is vascular; the apple tree is a seedless, nonvascular plant. The pine tree thrives in warm climates; the apple tree thrives in cold climates.
"The basic difference between dense irregular and dense regular connective tissues is in the amount of elastic fibers and adipose cells present. "
-False Statement.
Explanation:
The basic difference between the dense irregular and dense regular connective tissue lies in the arrangement of collagen fibers in them.
The collagen fibres are arranged parallel to one another in a regular connective tissue while in irregular connective tissue, the fibers are not arranged in parallel manner.
They store it as adipose tissue because it also provide heat, insulation, and protection.
D - spine alignment and foot size.
Late australopiths had an S-shaped spine that allowed for balance when standing. Shorter and less flexible toes made pushing off the ground much easier.
