PLZ HELP ANSWER ALL QUESTIONS
1. Which type of relationship exists between cats and birds?

A. predation
B. mutualism
C. competition
D. commensalism
2.
Which type of relationship exists between cats and birds?

A. predation
B. mutualism
C. competition
D. commensalism
3.
Red-billed oxpeckers eat ticks off impalas. Which type of relationship exists between red-billed oxpeckers and impalas?

A. mutualism
B. parasitism
C. competition
D. commensalism
4.

This passage would suggest that sudan might have a a) democracy. b) dictatorship. c) command economy. d) communist government.

Astudy that involves interviews of adults is eligible for expedited review. the researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. no additional changes are planned. which of the following statements about review of the revised protocol is accurate? the research would only be eligible for expedited review if the adolescents are capable of understanding the same consent forms used for the adult population.the research would only be eligible for expedited review if the adolescents have been declared to be emancipated minors.the new research would need full review by a convened irb because children are a protected population.unless the nature of the questions would raise the level of risk to > minimal for adolescents, the research would still qualify for expedited review.

1.how is germany's economic system similar to that of the united kingdom a.both are free-market economic b.both are command economic c.both are mixed economic d.both are traditional economic