Flies are most likely to be attracted to flowers that
a. have red and yellow patterned petals.
b. emit putrid odors.
c. have UV light reflective petals.
d. have large, showy flowers.
e. emit strong, fruity odors.
Answer: b
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_________, which is released from ____________, acts on the ovaries and testes
A. Follicle-stimulating hormone; the anterior pituitary gland B. Luteinizing hormone; the posterior pituitary gland C. Estrogen; the anterior pituitary gland D. Testosterone; the posterior pituitary gland E. Vasopressin; the anterior pituitary gland
When a founder population has a small gene pool, evolutionary change is more likely to be rapid than if the founder population has a large gene pool
Indicate whether the statement is true or false
A halotolerant facultative anaerobic bacterium would grow BEST in a ________ environment
A) oxygen depleted saline
B) oxygenated saline
C) oxygen depleted non-saline
D) oxygenated non-saline
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. Dinosaur C. Archosaur D. Synapsid E. Diapsid