A bird, the Common Yellowthroat, has evolved a specific birdcall that can be made and understood by no other species of bird. This is an example of a genetic adaptation through variations in_[blank]_. behaviorbehavior , ,

structurestructure , ,

physiologyphysiology , ,

metabolism

Chinese privet is a plant that is native to china. over 150 years ago, chinese privet was introduced to the united states as a fast-growing shrub that serves as an excellent privacy hedge. with no natural herbivore, chinese privet quickly established itself and spread in natural areas throughout the southeast and eastern seaboard of the united states. its dominance in these areas has jeopardized the survival of native plant species. chinese privet provides evidence that introducing non-native organisms can cause environmental damage integrated pest management strategies will not decrease chinese privet populations american gardeners can easily control the spread of chinese privet non-native plant species have type i survivorship curves

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus