Which two processes result in variations in sexually reproducing species?

(1) mutation and genetic recombination

(2) mitosis and natural selection

(3) extinction and gene replacement

(4) selective breeding and cloning

Which statement describes the chromosomes by the end of telophase II of meiosis? The chromosomes in each of two haploid cells coil and become more compact. The chromosomes in each of two haploid cells line up in the middle of the cell.

Which statement describes the reaction for cellular respiration? a) The equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light b) The equation is glucose + oxygen → carbon dioxide + water and energy

How is the plasma membrane a fluid mosaic model

A scientist studied four pieces of fossil evidence that show the evolution of the modern-day man. These date back to 2 million years, 1 million years, 0.5 million years, and 0.25 million years ago.

Which of the following is a carbohydrate? a. ATP b. steroid c. wax d. sucrose

According to Herbert Kaufman, which of the following are reasons health care workers commonly resist change?

Which of the following is an example of and std caused by a virus

How are island archipelagos also called island arcs formed.

What is the state in which particles or a substance are mixed with fluid but are undissolved

How many significant figures should the products 62.25 37.4 have