This structure of the brainstem is poorly defined, but consists of approximately 100 nuclei. It functions as a passageway for signals to and from the brain, and projects to the forebrain (cerebrum + diencephalon), cerebellum, and brainstem.
a. Midbrain
b. Pons
c. Medulla
d. Reticular formation
Answer: d. Reticular formation
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Hepaticophytes lack stomata and tracheids. What would provide evidence to justify their inclusion in the Bryophytes and not the Charophytes?
A. Cellulose in their cell walls B. Genes for ABA signalling C. The use of chlorophyll D. A haplodiplontic lifecycle Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about hepaticophytes? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
If two populations diverge geographically and/or genetically from each other, and the process
continues long enough, they may become two different:a. species. b. hybrids. c. polyploids. d. allopolyploids. e. euploids
An adult axolotl salamander (Ambystoma mexicanum) retains the juvenile characteristics of external gills and a tail fin
This is an example of what mechanism? a. allometry b. hybridization c. preadaptation d. paedomorphosis e. adaptive radiation
The female erectile structure analogous to the male glans penis is the:a
vulva. b. labia majora. c. mons pubis. d. hymen. e. clitoris