Which is an example of a density-independent factor on a population?

A. Weather
B. Amount of prey
C. Intraspecific competition
D. Nesting sites
E. Predation


Answer: A

Biology & Microbiology

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With regard to the semipermeable nature of the plasma membrane, which of the following would readily cross without the aid of a transport protein?

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Scientific theories are of fundamental importance in science. Explain the difference between the term

"theory" as employed in science versus "theory" as employed in everyday language

What will be an ideal response?

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As the sun is setting, you notice bats coming out of a cave to begin a period of heavy activity. In the very early

morning, several days later, you notice them entering the cave to sleep. Which circadian rhythm would best explain this observation? a. crepuscular b. nocturnal c. diurnal d. lunar e. asynchronous

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Root hairs develop from the

A) pericycle. B) cortex. C) endodermis. D) Casparian strip. E) epidermis.

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