This tall, branching saguaro cactus provides nesting sites, food, and water to other animals of the Sonoran Desert.
Which term best characterizes the role of the saguaro cactus in its desert
ecosystem?

What maintain homeostasis when a persons internal body temperature is 97.5°f

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations