Which list accurately orders a food chain in the grasslands of Africa from low to high trophic levels?
A) grass, giraffes, lions, vultures, fungi
B) grass, fungi, giraffes, vultures, lions
C) grass, lions, giraffes, fungi, vultures
D) grass, fungi, lions, vultures, giraffes
Answer: A
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Histamine
a. causes blood vessels to contract. b. causes capillaries to lose their permeability. c. causes an outward flow of fluids from the capillaries. d. reduces tissue swelling. e. enhances the function of cytokines.
The species richness of insects on trees can be predicted by which of the following?
A. The area hypothesis B. The evapotranspiration rate C. The average body size of insects D. The species-time hypothesis
Nonrandom associations between alleles at different loci are referred to by which term?
A. heterozygosity B. inbreeding depression C. panmictic D. Linkage disequilibrium E. linkage equilibrium
Compare and contrast the chromosome structure of viruses, bacteria, and eukaryotes
What will be an ideal response?