Birds and humans are theorized to have a common ancestor because they have homologous structures. Which evidence best supports this theory? They both have tails as embryos. They each have vestigial structures. They have analogous structures. They have different forms as adults.

Whose work is most likely to be part-time and at several locations? а. physical therapistb. sports physicianc nutritionistd group fitness instructor

Which muscle is responsible for inhalation ?

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat