What effect did the Late Carboniferous/Early Permian climatic changes have on global vegetation, and how did this affect vertebrate evolution?

What will be an ideal response?


Cooling and drying caused the collapse of the rain-forest ecosystems. This left a world less suitable for large non-amniote tetrapods and promoted the diversification and radiation of amniotes.

Anatomy & Physiology

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Which of the following is true about the cerebral cortex?

A) It is a deep layer of gray matter. B) It is a superficial layer of gray matter. C) It is a deep layer of white matter. D) It is a superficial layer of white matter. E) It is a deep layer of both white and gray matter.

Anatomy & Physiology

Urine is prevented from flowing back into the ureters from the bladder by ________________

A. compression of the ureteral openings B. the external urethral sphincter C. the internal urethral sphincter D. the ureteral sphincters E. ureteral valves

Anatomy & Physiology

It is best to add water to the tank when capturing a fish

Indicate whether the statement is true or false

Anatomy & Physiology

Identify the ureters in the following figure

A) A B) B C) C D) D E) E

Anatomy & Physiology