In some forests and parks that contain varieties of flowering trees and shrubs, there are signs that read "Take nothing but pictures; leave nothing but footprints. These signs help people remember that -- A. all animals feed directly on flowering shrubs that may be removed by people.

B. humans can disrupt habitats by removing flowering trees and shrubs

C. the removal of flowering trees and shrubs will increase biodiversity

D. flowering shrubs grow best in state forests and parks

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii