Roots that arise from branches or vertical stems, and that are used to support a plant in an upright position, are referred
to as:
a. prop roots.
b. contractile roots.
c. pneumatophores.
d. lateral roots.
e. tap roots.
a
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Biological magnification is best defined as ____
a. the increase in toxicity of a chemical compound resulting from its metabolism by a living organism b. the higher relative proportion of biomass among producers as compared to consumers in an ecosystem c. the concentration of nondegradable poisons within organisms at higher trophic levels d. the concentration of degradable poisons within organisms at lower trophic levels e. the declining relative proportion of nondegradable poisons in organisms at higher trophic levels as compared to those at lower trophic levels
All of the following could be used to describe some aspect of a cartilage cell EXCEPT
a. chondrocyte. b. calcium salts. c. ground substance. d. chondroblast. e. matrix.
Blood, cartilage, and bone are types of ________ tissue
Fill in the blank(s) with correct word
Which term refers to a small muscular bulb in the sea star's foot that contracts and forces fluid into the tube foot?
a. ossicle b. radial canal c. ring canal d. ampulla