Reef-building polyps get their sugars from
mutualistic
a. green algae.
b. cyanobacteria.
c. dinoflagellates.
d. euglenoids.
e. planarians
C
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Recall that the pancreas helps to maintain normal blood glucose levels. What endocrine organ plays a role in stabilizing blood calcium levels? Select all correct choices
A. The pineal gland B. The posterior pituitary gland C. The adrenal cortex D. The parathyroid gland
If cowbird eggs are included in an oropendola nest that is located near bee hives, what would be the
expected outcome?
a. The cowbird eggs would be ejected from the nest to eliminate the competition. b. The cowbird eggs would be ejected from the nest due to a reaction of the mother bird's immune system. c. The cowbird eggs would not be ejected from the nest because they provide an additional food source. d. The cowbird eggs would not be ejected from the nest because they provide protection from large predators. e. The cowbird eggs would not be ejected from the nest because they provide protection from parasites.
The chloroplasts of modern plants are thought to have been derived according to which sequence?
A) cyanobacteria ? green algae ? green plants B) cyanobacteria ? green algae ? fungi ? green plants C) red algae ? brown algae ? green algae ? green plants D) red algae ? cyanobacteria ? green plants E) cyanobacteria ? red algae ? green algae ? green plants
True or False: Meiosis halves the chromosome number, whereas mitosis maintains the same chromosome number
A. true B. false