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 best explains how natural selection determines differential survival when a population is under resource stress? A. Individuals with favorable traits are more likely to survive and reproduce than those with less favorable traits. B.

All Bacterias a. are classified in the kingdom Monera b. have cells with cytoplasm, a cell membrane, and a cell wall c. have a nucleus

The model is a diagrammatic representation of a plant cell. In which location does glycolysis occur in the cell?

Which commodity is used most heavily in industrial economies steel plastic or wood

Which function is specific to the neuron? a. It generates electrochemical signals so that the body can react to stimuli. b. It produces antibodies to destroy pathogens for protection purposes. c.

True or false the grain group includes, cereal, rice, pasta, and grits

Read the paragraph, and then answer the question. The solid part of Earth is made of huge chunks called plates. These plates sometimes move. When this happens, earthquakes may occur.

I am living thing and i can carry out all life processes. what am i?

What happened to energy as it's passed through the food chain

A 37-year-old client of Native American/First Nations/Aboriginal descent visits the clinic for the first time. She is about 12 weeks pregnant, and this is her first pregnancy.