This arthropod has two pairs of antennae, are a
few centimeters long and are food for blue
whales. This arthropod is ___.
a. an isopod
b. a barnacle
c. a shrimp
d. a krill
e. more than one of these
D
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What is the definition of the standing crop biomass?
a. amount of sunlight absorbed by the plants b. assessing the health of the plants c. dry weight of the plants d. number of plant species present e. productivity of the plants
Upon being formed, oceanic islands, such as the Hawaiian Islands, should feature what characteristic, leading to which phenomenon?
A) mass extinctions, leading to bottleneck effect B) major evolutionary innovations, leading to rafting to nearby continents C) a variety of empty ecological niches, leading to adaptive radiation D) adaptive radiation, leading to founder effect
Ribosomes bound to some of the membrane invaginations in the endomembrane theory
a. true b. false
Spindles disappear during
A. prophase I. B. telophase II. C. anaphase II. D. metaphase I.