Lancelets display how many of the four major characteristics of the phylum chordata?

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

This rapid change in species that rarely leaves behind fossil evidence is referred to as