In this lesson we discussed the difference between strong and weak bases. Which of these bases would be classified as weak?

A. sodium fluoride

B. ammonia

C. potassium hydroxide

D. calcium hydroxide

E. none of the above

When 2 atoms combine by sharing electrons, it is a (n) __ bond. A) ionic B) covalent

A population of birds, with various size beaks, eats seeds. smail seed can be eaten by birds with small beaks. larger, thicker seeds can only be eaten by birds with larger beaks, thicker beaks.

Which of these is a writing innovation that resulted from the Internet? A. Fiction B. Blogging C. Writing adventures D. Texting

What name is given to a long term change that takes place in two species because of their close interactions?

Two pink-flowering plants are crossed. The offspring flower as follows: 25% red, 25% white, and 50% pink. What pattern of inheritance does flower color in these flowers follow?

How does an atom become a positive ion?

The one-celled eukaryotic organisms above are often found in freshwater ponds. What is one characteristic they all have in common? A Nucleus B Cilia C Flagellum D Pseudopodia

This process is used for growth repair it is also a form of reproduction in asexual organisms

In what activity is it recommended that one avoid resting on the wrist?

You observe an individual of your favorite study organism expressing the dominant phenotype for a certain trait. how would you go about determining if the individual was homozygous dominant or heterozygous for that trait?