which of the following organisms controls its body temperatureby means of its behavior?
a) turkey
b) iguana
c) Hamster
The Gila wood pecker is a bird of the Sonoran  desertint southwest US and northwestern Mexico. the bird as closerelationship with saguaro cactus. in which the bird makes nestingholes in the older., thicker sections of the plant without damagingit. in turn, the bird will eat diseased and parasitized parts ofthe cactus, as well as any cactus0eating insects, which of thefollowing best describes the interactions between Gila woodpeckersand saguaro cats?
a) Facilitation
b) mutualism
c) parasitism
it is hypothesized that if a major nuclear war occurs, a layerof smoke and dust int the atmosphere would block the sun's rays.which of the following ecosystems would likely last the longestafter this disaster?
1) mid-Atlantic deep-sea hydrothermal vent ecosystem
2) Malaysian tropical rainforest ecosystem
3) North American temperate grassland ecosystem
4) north Africa desert ecosystem
Some mammalian hormones, such as thyroid hormone and prolactin,have different effects on other vertebrates. this likely indicatesthat these hormones.........
a) are nonspecific in their effects
b) are evolutionarily conserved
c) combine with many different receptors
