Why do only two sexes exist for animals?

A group of clients is admitted with neurologic injury after hiking at high altitude. the nurse is assessing using the "avpu" mnemonic. which type of emergency assessment is the nurse performing?

What advantage do organisms that reproduce sexually have over organisms that reproduce asexually? What advantage do organisms that reproduce sexually have over organisms that reproduce asexually?

What is the ability to allow certain ions or chemicals into or out of a cell?

What is meant by Space Florida's catch phrase, "Everyone can be an astronaut"? Check all that apply. Visitors can participate in a rocket or shuttle launch, Visitors can construct a satellite, Visitors can view a launch.

Many groups of animals have defensive spines. Examples include porcupines, sea urchins, and hedgehogs. What information do you need in order to determine whether or not spines are the result of homology or homoplasy?

The brain operates on two levels, conscious and unconscious. this is called:

What are the differences between renewable resources, non renewable resources and sustainable option?

What is biopsychology?

The atmosphere is one part of the environment that does not directly affect us

Defecation depends on a. distention of the rectal wall b. sensory impulses to the sacral spinal cord c. motor impulses back to the colon d. all of the above must happen for defecation to occur