The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record. This event is sometimes called the "Cambrian Explosion," because of the relatively short time over which this diversity of forms appears

6 0

2 years ago

A nonsense mutation is one that??

Inga [223]

Based on the passage, which best describes President Monroe's point of view about relations among the countries of

5 0

3 years ago

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Which of the following pairs is correctly matched? A) lumbar vertebrae; bifid spinous processes B) thoracic vertebrae; triangula

erica [24]

Answer:

C) lumbar vertebrae; short, flat spinous processes

Explanation:

The Lumbar Vertebrae are bigger and stronger than vertebral bodies in certain positions.

The vertebral bodies and disks bares majority of the body weight of the body. The lamina, facets and spinous process are basic components of the posterior materials that assist in guiding the movement of the vertebrae and as a coverage or protective shelter for the spinal cord.

The spinous process are SHORT and STURDY (FLAT) in the Lumbar Vertebrae. Hence, this explain why it is often referred to as "Hatchet-Shaped".

The attached image as red dots meant to point to the spinous process in the Lumbar Vertebrae.

3 0

3 years ago

As an infant grows toward preschooler age, resting heart rate ________ and blood pressure ________.

Marysya12 [62]

The infant's heart rate decreases as they grow and their blood pressure increases. The normal heart rate of infant is at 70 to 190 but as they reaches toddller age it is decreased to 60 to 140. However blood pressure increased as the child grows as blood pressure is quite dependent on size and the weight of the child.

4 0

4 years ago