Arthropod success cannot be attributed to which adaptation?
a. modified segments
b. jointed appendages
c. closed circulatory system
d. sensory specialization
e. specialized developmental stages
c
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.____ were first discovered in experiments to define the nutrient media required for plant tissue culture
a. Gibberellins b. Cytokinins c. Salicylic acid d. Auxins e. Brassinosteroids
How can predators influence the species richness and structure of communities?
a. Increasing the carrying capacity of their prey. b. Destabilizing competitive interactions among their prey. c. Increasing the population sizes of disease organisms. d. Increasing the population sizes of their prey. e. Reducing the population sizes of their prey.
The prevention of infection caused by microorganisms is called ________.
A. disinfection B. antisepsis C. sterilization D. sanitization
Arabidopsis plants that have mutant AtSUC2 alleles accumulate sugar and starch in their mature leaves. What process might these plants be unable to carry out?
A. phloem loading B. abscission C. photosynthesis D. guttation