The pupose of this passage is to

a)give a history of seed plants.
b)describe the plarts and seed plants and their purpose.
c)compare seed plants and seedless plants.
d)describe several uses of seed plants.

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.

Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur