What is the resource-ratio hypothesis?
A) Late successional species are not affected by species of previous stages.
B) There are three strategies in terms of resource use by plants.
C) There is a pattern of changing allocation of carbon to aboveground and belowground tissues.
D) The process of succession is determined by who gets there first.
C
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Four of the five events listed below are stages of
actual nuclear division. Select the exception. a. anaphase b. prophase c. interphase d. telophase e. metaphase
Phenotype is ____
a. only expressed in a heterozygous organism b. an observable property or expression of a trait in an organism c. the specific genetic constitution of an organism
d. the variation of genes e. cannot be determined by knowing genotype
Before an mRNA transcript exits the nucleus, ______ may be added and ______ removed.
A) introns; RNA polymerase B) a termination site; a promoter site C) DNA; RNA D) a cap and a tail; introns E) RNA polymerase; a cap and a tail
Individuals with asthma should exercise in cold weather whenever possible.
a. true b. false