Mary has type A blood. Her son Bill has type AB blood. Which blood type does Bill's dad have if he is homogenous for blood type? a. Blood type A b. Blood type B c. Blood type AB d. Blood type O.

Soil erosion: a. may result in decreased water quality for fishes and other aquatic organisms. b. does not reduce the fertility of the soil, just the quantity. c. is exclusively linked to human activities. d.

7. Which of the following is true about YAC vectors? it is highly stable it is used in physical mapping All of these choices are correct it is a great choice to clone DNA fragments more than 100 kb

Feldspar has a flat, crystal shape with sharp edges and no right angles. Feldspar is part of the ___. isometric crystal system monoclinic crystal system hexagonal crystal system triclinic crystal system

In rabbits, black fur is dominant to white fur. A) if you cross a BB male with a Bb female, what are the possible genotypes and phenotypes of the offspring? What is percentage chance of each type?

Bottom trawling is a destructive fishing practice that destroys ocean habitats. true or false?

All matter is made up of atoms that cannot be divided or destroyed. True or False

Are dams density-dependent or density-independent limiting factors?

What is the correct term for a large number of species in an ecosystem?

A victim of foreign body airway obstruction become unresponsive. what is your first course of action?

Theoretical approach gives an evolutionary explanation of why the sexual double standard is found around the world.