The conclusion from the energy flow study in Silver Springs was that
a. energy flows are difficult to measure.
b. most of the sun's energy is harvested.
c. only a little energy is transferred from one trophic level to the next.
d. the energy flow in carnivores is equal to that of producers.
e. trophic energy losses are not significant.
C
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Explain how Mendel compensated for the fact that he was unable to analyze mathematically how well the observed
outcome of his cross fulfilled his predictions. What will be an ideal response?
Mycorrhizae are especially effective in helping plant roots uptake
A. nitrogen. B. potassium. C. phosphorus. D. iron. E. magnesium.
Answer the following questions true (T) or false (F)
1. The tuberculin response is an example of allergic contact dermatitis. 2. Children with Bruton-type agammaglobulinemia are highly susceptible to recurrent bacterial infections. 3. Systemic lupus erythematosus (SLE) is a disease resulting from accumulation of immune complexes in various organs and tissues.
Which of the following pairs is mismatched?
A) chickenpox — poxvirus B) conjunctivitis — Chlamydia trachomatis C) keratitis — Acanthamoeba D) otitis externa - Pseudomonas E) Buruli ulcer — Mycobacterium