Which explanation is most consistent with how long digits develop in bat embryos?
a) Digits start the same length and some grow longer.
b) All digits start out long and some get shorter.
c) Initially the forelimb only has one digit; later, long digits form from the webbing.
d) As embryos use their wings in the womb, digits grow.

In what part of the body does the most muscle activity happen?

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.

Which of the following would most directly interfere with sperm production? ingestion of a substance that mimicked inhibin interruption of sustentocytes' production of abp low sperm count use of synthetic steroids (testosterone)