Biology is defined as the study of life.

Life is highly organized. What organizational level (one word) is missing from the following sequence, which is written in order from smallest to largest?  Molecules  ®   __________________________  ®   Cells   ®   Tissues _______ Type your answer here.

In regard to energy acquisition, a consumer is described as an organism that feeds on other organisms or their remains. 

20.  Find the velocity, acceleration, and speed of a particle with the given position function:  

Which type of fat is commonly found in animal products, such as meat and dairy?

Which macromolecule is composed of amino acids?

Ecchymosis on the medial knee and tenderness upon palpitation may indicate which ligament is involved?

(a) (3) Briefly define gastrulation. (b) (3) What is the significance of this process for the formation of the nervous system?  

Evan is a normal subject in a self-awareness study who has just begun to recognize himself in mirrors and pictures. It is most likely that Evan is about ____ old.

Lucia swaddles her baby in a blanket. Luciaa is probably trying to