Which of the following is the earliest known
reptile with bird-like feathers?
a. Archaeopteryx.
b. Confusciusornis sanctus.
c. Sinosauropteryx prima.
d. Tyrannosaurus rex.
e. Picarara liops
C
You might also like to view...
An individual who is attracted to light is exhibiting
(a) negative phototaxis. (b) positive phototaxis. (c) negative thigmotaxis. (d) positive thigmotaxis.
Typically, one sperm fertilizes an oocyte because ____
a. an acid solution is released that kills all other sperm b. special organelles within the oocyte eject more than one sperm c. changes occur to the oocyte's protein coat that prevent further penetration d. follicle cellular space is only wide enough for one sperm e. usually only one sperm arrives at the oocyte
Animals that feed on bacteria and fungi are called ________
Fill in the blank(s) with correct word
Genealogical species are groups that have diverged from a common ancestor but aren't yet reproductively ________
Fill in the blank(s) with correct word