If nautiloids only inhabit the last chamber, what are the other chambers used for?
a. Egg storage
b. Food storage
c. Maintaining hypertonic seawater
d. Maintaining buoyancy with gases
d
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Scientific facts rely on
1.opinion. 2.prediction. 3.verifiable information. 4.critical thinking.
Antigen receptors are capable of producing large
diversity due to the fact that there are __________ cassettes (versions) of each __________. Fill in the blank(s) with the appropriate word(s).
Homologous structures are found in organisms that share a common ancestry. They can be used to classify organisms. However, homologous structures may have different functions. Which of the following is an example of a homologous structure?
A) embryonic stages of development B) human tail bone C) human appendix D) forelimbs of vertebrates
Cyanobacteria are so named because many species have a blue-green appearance caused by the photosynthetic pigment phycocyanin.
Answer the following statement true (T) or false (F)