The steps of meiosis 1 are shown. In step A, the chromosomes pair up. In step B, the homologous pairs line up for separation. In step C, the pairs are separated. In step D, sister chromatids stay together. In step E, 2 new cells are formed.

What is the step that is labeled D?

The study of interaction between living organisms and their enviroment is called (a) phytogeography (b) ecology (c) phytosociology (d) ecosystem

Apart of an ecosystem that can restrict the growth of a population is referred to as

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