Which mechanism are responsible for introducing new allies into a population's gene pool

A gene flow

B emigration

C niche shift

D natural selection

Aggressive behavior in animals often leads to social ranking. What do social rankings form? A. circadian rhythm B. territory C. dominance hierarchy D. courtship

Which environmental hazard is directly related to nuclear power production?

If a transgene is inserted into an animal embryo only the non-reproductive cells should contain the transgene DNA. the animal should become sterile as an adult. every cell should contain the transgene DNA.

An animal's ability to move results from the interrelationship between A.) Dermal tissue and vascular tissue B.) Vascular tissue and nervous tissue C.) Nervous tissue and muscle tissue D.) Muscle tissue and ground tissue

What is one human activity that ma have caused the average temperature of the atmosphere to increase in recent years

DNA and RNA are both nucleic acids made up of nucleotides. Which is NOT a difference between DNA and RNA? A) The sugar in RNA is ribose. B) Only DNA is double-stranded. C) Both DNA and RNA have sugar-phosphate backbone.

It is estimated that half of all conceptions have too many or too few chromosomes. According to the text, what happens to most of the zygotes that are formed in these situations

What role do insects play in the fertilization process

Describe what happened to the Moose and wolf populations between 1971 and 1980

Which type of vocal resonance is present if a patient's normal speaking voice sounds clearer and louder during auscultation?