In both field and lab studies of guppies, you observe a rapid evolutionary change in the physiological traits that help the animals avoid predation. This observation illustrates which main points? (Select all that apply.)A) Allele frequency is maintained in all conditions.B) Natural selection is an ongoing process.C) Dominant genes will always increase survival rates.D) Evolutionary change is facilitated by natural selection.

What will be an ideal response?


B, D

Biology & Microbiology

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Identify the stage of cellular respiration where glucose is split into two molecules of pyruvic acid.

A. Calvin cycle B. Electron transport chain C. Citric acid cycle D. Glycolysis

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When you view a close object your lens gets _____

a. flatter c. darker b. rounder d. cloudier

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Which cellular component is common to all cell types?

a. cell wall b. mitochondria c. cytoplasm d. nucleus e. endoplasmic reticulum

Biology & Microbiology

The ability of an infant organism to be able to keep track of the location of its mother is an example of:

a. classical conditioning b. habituation c. imprinting d. insight e. operant conditioning

Biology & Microbiology