Gametes must carry half of their genetic material because - A) sexual reproduction only requires one parent's genetic information

B) gametes are small and can only hold half the number of chromosomes

C) the gametes' chromosomes will be copied prior to cell division

D) two gametes will unite during fertilization to create a full set of chromosomes​

Which one of these is a involving in both sexual and asexual reproduction

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

Which of the following is a testable hypotheses?