Why is it so difficult to identify the beginnings of the hominin line? What will be an ideal response?
To be a hominin, there are number of defining features. Some leave a decent fossil record, such as flat
face and small canine teeth. Unfortunately, one defining feature of hominins is upright walking.
Many of the ancient skeletons are incomplete and thus it is very difficult to determine if they were
truly and regularly bipedal.
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The situation in which some offspring are haploid and others diploid is referred to
A. eusociality. B. viviparity. C. haplodiploidy. D. didiploidy. E. dihaploidy.
What might be an accurate albedo measure of the surface of a glacier?
A) 0.1 B) 9.0 C) 0 D) 0.9
Which of the following viruses may cause a persistent viral infection?
A. Measles virus B. Varicellovirus C. Herpes simplex 1 D. HTLV-1
The source of blood for the glomerular
capillaries is indicated by a. A. b. B. c. C. d. D. e. E.