Answer the following statements true (T) or false (F)
1. Some algae are more closely related to plants than they are to other algae.
2. Protozoa are monophyletic.
3. The supergroup Excavata contain some of Earth's most recent eukaryotes.
4. Metaboly is a reduced level of metabolism that allows protists to remain dormant under stressful environments.
5. Paramylon are stored particles of carbohydrate.
1. TRUE
2. FALSE
3. FALSE
4. FALSE
5. TRUE
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As N approaches K for a certain population, which of the following is predicted by the logistic equation?
A) The growth rate will not change. B) The growth rate will approach zero. C) The population will show an Allee effect. D) The population will increase exponentially. E) The carrying capacity of the environment will increase.
The observations and research on aphid color changes can most directly be summarized in that
A. Koga and Fugatsu proved that the color change from red to green in aphids was ecologically favorable to survival. B. the method of paper fiber separation of pigment molecules showed that Ricketsiella bacteria were the source of the green coloration of aphids. C. species of organisms can be chemically diverse and affect each other, even among similar groups of aphids and bacteria. D. it turned out that the green appearance of aphids was because of the large amount of green Ricketsiella bacteria coating their bodies. E. All of the answer choices are correct.
In the graph depicted below, curve A is the _____ and curve B is the _____
a) logistic growth curve; exponential growth curve b) logistic growth curve; maximum sustainable yield c) exponential growth curve; logistic growth curve d) logistic growth curve; carrying capacity e) carrying capacity; logistic growth curve
Which of the following is a mitochondrial disease?
a. Lou Gehrig's disease b. Leber's hereditary optic neuropathy c. Crohn's disease d. I-cell disease