Zooplankton eating phytoplankton almost as soon as they appear in marine ecosystems causes the pyramid of biomass
to ____.
a. resemble the pyramid of energy
b. invert
c. widen at the base
d. add trophic levels
e. to become obsolete
ANSWER: b
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In his experiments, Griffith found that transformation occurs naturally in bacteria. Explain how Griffith found this out.
What will be an ideal response?
Independent assortment occurs between two pairs of homologous chromosomes that can be arranged
in four different ways at metaphase of meiosis. __________________ Indicate whether the statement is true or false.
Which organ system is utilizing positive feedback within an organism?
a. the reproductive system b. the excretory system c. the endocrine system d. the lymphatic system
Local signs of infection include.
A) fever and leukocytosis. B) headache and anorexia. C) pain, erythema, and swelling. D) nausea, weight loss, and fatigue.