Choose the True Statements About the Evolution of Larval Dispersal

question 43

Multiple Choice

Choose the true statements about the evolution of larval dispersal in marine snails.

• A)The evolution of non-dispersing snails is likely to hinder speciation.
• B)Clades of non-dispersing snails are less species rich than those of dispersing snails.
• C)Loss of structures in the transition from dispersing to non-dispersing may inhibit evolutionary reversal.
• D)Possession of dispersing larvae is the ancestral state in snails.
• E)Cladistics shows that there are more instances of the transition from dispersing to non-dispersing larvae than the reverse.

Understand the implications of the oxygen increase in Earth's atmosphere.

Understand the evolution of ecosystems and significant life forms through different geological periods.

Identify the distinguishing features of major dinosaur groups.

Understand the basic techniques and principles of psychoanalysis.

---

Definitions:

Variability

The extent to which data points in a statistical distribution or data set diverge from the average or mean.

Predicted Values

Values estimated based on a mathematical model or statistical analysis, representing expected outcomes given specific conditions or variables.

Observed Y-values

The actual values recorded for the dependent variable in a dataset or experiment.

Multiple Regression Model

A statistical technique that uses several explanatory variables to predict the outcome of a response variable, allowing analysis of the effects of the variables on the response.