Which of the following best estimates the amount of earth's primary production that occurs in the oceans?
50%
90%
10%
25%
75%

What are some possible short and long term medical concerns for crew members on longer space exploration trips

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?