In a short essay (100-150 words), describe darwin's view of how natural selection resulted in
both unity and diversity of life on earth. include in your discussion some of his evidence. (see
tips for writing good essays and a suggested granding rubic in the study area of
mastering biology under "writing tips and rubic".)

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Populations of blue-winged warblers, a type of bird, migrate south in the winter and return to canadian breeding grounds in the spring. as global temperatures have increased due to climate change, spring has started arriving in the warbler's breeding grounds earlier in the year, before the warblers return. warblers now arrive at their breeding grounds too late to select ideal nesting sites and to feed on important early-spring food sources how are populations of blue-winged warblers most likely to be affected by the earlier arrival of spring? o a. populations will go extinct since the warblers will stop migrating to breeding grounds. b. populations will be unaffected since most species can quickly adapt to effects of climate change. c. populations will increase since warmer temperatures are generally beneficial to survival, d. populations will decline since individuals will be less likely to successfully reproduce, reset next

Describe two recent or ongoing space missions.