Which gland is both an exocrine and endocrine gland?
a. pancreas
b. adrenal
c. ovary
d. thyroid
e. pituitary
A
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You excavate a fossil of a small reptile during a paleontology field trip. It has the following characteristics: skull with a pair of dorsal temporal openings and a pair of lateral temporal openings; bipedal with legs positioned directly under the pelvic girdle. Dating with radioisotopes shows that the specimen lived 100 million year ago (MYA). You conclude that the specimen belongs to which reptilian group (be specific as possible)?
A. anapsid B. synapsid C. diapsid D. archosaur E. dinosaur 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 reptile skulls and dinosaur adaptations? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
A seed is often described as, "a baby plant in a box with its lunch." Explain this statement using the appropriate terms
for baby plant, box, and lunch.
What will be an ideal response?The drug diethylstylbestrol, or DES, mimics estrogen and interferes with the development of the fetal uterus. What is this drug considered?
A) a hormone B) as good as estrogen C) an endocrine disruptor D) a good form of birth control
Approximately what percentage of the energy in one trophic level is incorporated into the next trophic level?
A. 1% B. 30% C. 100% D. 10% E. 60%