Genetic variation, provided through sexual reproduction, offers more opportunity for offspring to survive in changing environments. what two aspects of meiosis provide sources of such variation? a. mutation and fertilizationb. crossing over and allelic exclusionc. segregation and independent assortmentd. crossing over and independent assortment of chromosomes

What did the first language sound like

Select the correct answer. which scenario describes unethical lab behavior? a. danny stores the chemicals required for his experiment in flasks and beakers. b. anna publishes the results of her experiment on the growth rate of saplings. c. jason repeatedly runs an experiment until he gets the results he desires. d. mia records her observations of an experiment precisely and accurately. resetnext

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high