An ecosystem is made up of two components:

O

abiotic (living) and biotic (non-living)

O

Land and organisms

O

abiotic (non-living) and biotic (living)

O

Earth and atmosphere

What will happen to a flower garden over time If it's left unattended

Contrast the electrons transport chain in photosynthesis with cellular respiration by identifying the source of the high energy electron

How many protons does oxygen (O) have? a) 2 b) 4 c) 8 d) 16 e) 32

An exmple of exocytosis? examples of endocytosis

Simon Bolivar dreamed of a United States of South America. What made that dream impossible besides geography? A. Bolivar himself became a dictator. B. The new governments were having financial difficulties. C.

What are the three aspects of the cell theory?

The term "homoplasy" is most applicable to which of these features? a. the legless condition found in various types of extant lizards b. the 5-digit condition of human hands and bat wings c. the beta-hemoglobin genes of mice and of humans d.

Discuss the importance of amino acid order to a protein's function

A scientist wants to compare DNA of two plants. What technique can she use to produce bands of DNA fragments for this comparison.

Jamie is still mad and he doesn't understand Vicky's explanation. He says "You aren't even speaking English! What are heterozygous parents? What's a recessive allele?