How many elephants are there in the world?

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

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

How does a lytic infection differ from a lysogenic infection?