It is known that many trees lose their leaves in response to decreasing day length. As a result, you think that Ginkgo trees may also lose their leaves in response to decreasing day length. This statement is an example of
A. an experiment.
B. a theory.
C. a hypothesis.
D. deductive reasoning.
Answer: C
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The parietal lobe is indicated by
a. A. b. B. c. C. d. D. e. E.
Parallel venation is characteristic of eudicot leaves
____________________ Indicate whether the statement is true or false.
The physical appearance of an organism for a given trait is known as:
a. genetics. b. dominance. c. synapsis. d. genotype. e. phenotype.
Scientists find several sets of fossil remains in a cave. The skeletons appear have been buried with stone tools and carved jewelry of ivory and bone. The artifacts are dated to 90,000 years old
The skeletons are anatomically similar to modern humans. Based on this information, the skeletons most likely are all A) Neanderthals. B) Homo floresiensis. C) Cro-Magnons. D) Australopithecus afarensis. E) Homo erectus.