Fish have _____ chambered hearts
A) 1
B) 2
C) 3
D) 4
Ans: B) 2
Biology & Microbiology
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Humans belong to the phylum ________.
A. chordates B. echinoderms C. arthropods D. mollusks
Biology & Microbiology
When a limiting factor becomes more important as the size of the population increases, it is known as a(n)
A. biotic potential. B. density-independent limiting factor. C. density-dependent limiting factor. D. intrinsic factor.
Biology & Microbiology
A condition in which a diploid organism has different allelic forms of a particular gene is the definition of
A. homozygous. B. phenotype. C. genotype. D. heterozygous.
Biology & Microbiology
Which one of the following is thought to be responsible for causing dandruff?
a) Malassezia furfur b) Propionibacterium acnes c) Staphylococcus aureus d) Staphylococcus epidermidis
Biology & Microbiology