True or false: Humans do not compete for biotic and abiotic factors other than food.
HELP PLSSS

What are potential sources of error in marta’s experiment

What is gene flow? apexa: selection for average traits b: when a population splits in twoc: a mutation becoming more commond: genes moving between two populations

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)