Mineral and growth factor storage
What will be an ideal response?
Calcium and phosphorus, and growth factors reservoir
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Which processes can be carried out by producers?
A. Only photosynthesis B. Only cellular respiration C. Both photosynthesis and cellular respiration D. Neither photosynthesis nor cellular respiration
The tips of the branches on a phylogenetic tree represent:
A. present-day groups. B. common ancestors. C. analogies. D. sister groups. E. homologies.
The H substance is needed for the proper phenotypic expression of the A, B, and AB blood types in the ABO blood typing system in humans. Individuals who are recessive for the H substance (hh) will have a type O phenotype, even if they have the A and/or B alleles. Two individuals, each with type AB blood and heterozygous at the H locus have children. What is the probability they will have a child who is phenotypically type O?
A. 3/16 B. 4/16 C. 6/16 D. 100% E. No chance
How are human fossils classified into species?
A) by differences in DNA B) by differences in diet C) by differences in skin color D) by differences in the skeleton