Plants that have both imperfect male and imperfect female flowers on a single plant are called (blank).

Which of the following is a common danger of commercial fishing?

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution