Describe anatomical changes in the skull that occurred in human evolution between an Australopithecus afarensis–like ancestor and Homo sapiens.
What will be an ideal response?
Greatly increased cranial capacity, prominent and vertical forehead, smaller and fewer teeth, shortened lower jaw and muzzle, reduced eyebrow ridges, and a prominent nose with distinct bridge.
You might also like to view...
Floral microspores are located in the
A. corolla. B. anther. C. ovule. D. stigma. E. sepal.
Upon closer inspection of the leaves of "flower of stone," one can observe tiny, cone-like structures. Each cone-like structure emits spores of two different sizes
Further investigation also reveals that the roots of "flower of stone" branch only at the growing tip of the root, forming a Y-shaped structure. Based on these additional observations, which of the following can be properly inferred about "flower of stone"? 1. It is heterosporous. 2. It is a fern. 3. The cone-like structures are sori. 4. It is a lycophyte. 5. It has separate male and female gametophytes. A) 1 and 5 B) 2 and 3 C) 1, 2, and 3 D) 1, 4, and 5
The type of rejection that occurs within minutes to hours due to preformed antibody is known as:
A) delayed rejection B) chronic rejection C) accelerated rejection D) hyperacute rejection
Spherical bacteria that occur in clusters are bacilli.
a. true b. false