Curly wing is recessive to straight wing in drosophila. in a cross between true-breeding curly- and straight-winged parental flies, there are 480 flies in the f2 generation. how many f2 progeny should have curly wings?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.