THIS IS MY 3RD TIME ASKING PLEAS HELP MEE I BEG U! what are two samples of DNA that are needed in order to identify the DNA as belonging to a specific person

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.