Secondary succession can occur ____
a. after a fire
b. on a new sand dune
c. on bare rock
d. immediately after the formation of an artificial lake
e. on a glacier
ANSWER: a
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Transgenic crops are planted in _____ countries, with the amount of land dedicated to such crops _____ every year
a. more than 50; remaining the same b. more than 25; decreasing c. less than10; increasing d. more than 25; increasing e. just under 25; increasing
What is an insoluble barrier?
What will be an ideal response?
What is the difference between phenotype and genotype?
A) Phenotype is when both alleles are the same and genotype is when the alleles are different. B) Genotype is the physical expression of a trait and phenotype is the combination of alleles carried by the organism. C) Phenotype is the physical expression of a trait and genotype is the combination of alleles carried by the organism. D) Phenotype is the alleles that are hidden and genotype is the alleles that are expressed.
Fungi called Deuteromycetes are not known to reproduce sexually. Nonetheless, most of them are considered members of the ________ on the basis of genetic sequences.
A. Zygomycota B. Basidiomycota C. Ascomycota D. Sporozoa E. Rhizaria