The first outward sign of puberty in a typical girl is a. the development of muscular strength b. an increase in weight c. the onset of nipple growth incorrect d. a spurt in height

Trees with light brown bark dominate an ecosystem the ecosystem has populations of insects that thrive on the tree bark over time some insect species developed certain physical characteristics that them thrive on the tree bark these physical characteristics also the insects defend themselves from predators which insect species is probaly the species with the new physical characteristics?