The producers in aquatic ecosystems include organisms in which of the following groups?
a. cyanobacteria
b. algae
c. plants
d. photoautotrophs
e. all of the above are correct
Ans: e. all of the above are correct
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Passive immunity can provide immunity ____
a. temporarily b. permanently
c. for months d. for many years e. for an entire lifetime
Prokaryotic binary fission includes what two main features?
What will be an ideal response?
Bacteriophages may reproduce using a(n) __________ pathway in which viral DNA becomes part of the host
chromosome. Fill in the blank(s) with the appropriate word(s).
Figure 13.10
The accompanying illustration shows the F2 phenotypes from a monohybrid cross in snapdragons. What type of inheritance produces such an outcome?
A. Complete dominance B. Incomplete dominance C. Multiple alleles D. Continuous variation E. Epistasis